diff --git a/ios/chrome/browser/autocomplete/autocomplete_provider_client_impl.cc b/ios/chrome/browser/autocomplete/autocomplete_provider_client_impl.cc
index dd70a62299200e..a40bc528e24c2f 100644
--- a/ios/chrome/browser/autocomplete/autocomplete_provider_client_impl.cc
+++ b/ios/chrome/browser/autocomplete/autocomplete_provider_client_impl.cc
@@ -7,7 +7,6 @@
 #include "base/prefs/pref_service.h"
 #include "base/strings/utf_string_conversions.h"
 #include "components/bookmarks/common/bookmark_pref_names.h"
-#include "components/browser_sync/browser/profile_sync_service.h"
 #include "components/history/core/browser/history_service.h"
 #include "components/keyed_service/core/service_access_type.h"
 #include "components/omnibox/browser/autocomplete_classifier.h"
@@ -21,8 +20,8 @@
 #include "ios/chrome/browser/history/top_sites_factory.h"
 #include "ios/chrome/browser/pref_names.h"
 #include "ios/chrome/browser/search_engines/template_url_service_factory.h"
-#include "ios/chrome/browser/sync/ios_chrome_profile_sync_service_factory.h"
 #include "ios/public/provider/chrome/browser/browser_state/chrome_browser_state.h"
+#include "ios/public/provider/chrome/browser/keyed_service_provider.h"
 
 AutocompleteProviderClientImpl::AutocompleteProviderClientImpl(
     ios::ChromeBrowserState* browser_state)
@@ -139,7 +138,8 @@ bool AutocompleteProviderClientImpl::BookmarkBarIsVisible() const {
 
 bool AutocompleteProviderClientImpl::TabSyncEnabledAndUnencrypted() const {
   return sync_driver::IsTabSyncEnabledAndUnencrypted(
-      IOSChromeProfileSyncServiceFactory::GetForBrowserState(browser_state_),
+      ios::GetKeyedServiceProvider()->GetSyncServiceForBrowserState(
+          browser_state_),
       browser_state_->GetPrefs());
 }
 
diff --git a/ios/chrome/browser/history/web_history_service_factory.cc b/ios/chrome/browser/history/web_history_service_factory.cc
index 27c1ddb31287cf..aee3a494db2ba3 100644
--- a/ios/chrome/browser/history/web_history_service_factory.cc
+++ b/ios/chrome/browser/history/web_history_service_factory.cc
@@ -6,7 +6,6 @@
 
 #include "base/memory/singleton.h"
 #include "base/prefs/pref_service.h"
-#include "components/browser_sync/browser/profile_sync_service.h"
 #include "components/history/core/browser/web_history_service.h"
 #include "components/keyed_service/ios/browser_state_dependency_manager.h"
 #include "components/signin/core/browser/profile_oauth2_token_service.h"
@@ -14,8 +13,8 @@
 #include "components/sync_driver/sync_service.h"
 #include "ios/chrome/browser/signin/oauth2_token_service_factory.h"
 #include "ios/chrome/browser/signin/signin_manager_factory.h"
-#include "ios/chrome/browser/sync/ios_chrome_profile_sync_service_factory.h"
 #include "ios/public/provider/chrome/browser/browser_state/chrome_browser_state.h"
+#include "ios/public/provider/chrome/browser/keyed_service_provider.h"
 #include "net/url_request/url_request_context_getter.h"
 
 namespace ios {
@@ -25,7 +24,7 @@ namespace {
 // false otherwise.
 bool IsHistorySyncEnabled(ios::ChromeBrowserState* browser_state) {
   sync_driver::SyncService* sync_service =
-      IOSChromeProfileSyncServiceFactory::GetForBrowserState(browser_state);
+      GetKeyedServiceProvider()->GetSyncServiceForBrowserState(browser_state);
   return sync_service && sync_service->IsSyncActive() &&
          sync_service->GetActiveDataTypes().Has(
              syncer::HISTORY_DELETE_DIRECTIVES);
@@ -54,7 +53,8 @@ WebHistoryServiceFactory::WebHistoryServiceFactory()
     : BrowserStateKeyedServiceFactory(
           "WebHistoryService",
           BrowserStateDependencyManager::GetInstance()) {
-  DependsOn(IOSChromeProfileSyncServiceFactory::GetInstance());
+  ios::KeyedServiceProvider* provider = ios::GetKeyedServiceProvider();
+  DependsOn(provider->GetSyncServiceFactory());
   DependsOn(OAuth2TokenServiceFactory::GetInstance());
   DependsOn(ios::SigninManagerFactory::GetInstance());
 }
diff --git a/ios/chrome/browser/passwords/ios_chrome_password_store_factory.cc b/ios/chrome/browser/passwords/ios_chrome_password_store_factory.cc
index 259e28d8af43a6..fe82ae78946d15 100644
--- a/ios/chrome/browser/passwords/ios_chrome_password_store_factory.cc
+++ b/ios/chrome/browser/passwords/ios_chrome_password_store_factory.cc
@@ -6,7 +6,6 @@
 
 #include "base/command_line.h"
 #include "base/memory/singleton.h"
-#include "components/browser_sync/browser/profile_sync_service.h"
 #include "components/keyed_service/core/service_access_type.h"
 #include "components/keyed_service/ios/browser_state_dependency_manager.h"
 #include "components/password_manager/core/browser/affiliated_match_helper.h"
@@ -18,9 +17,9 @@
 #include "components/sync_driver/sync_service.h"
 #include "ios/chrome/browser/browser_state/browser_state_otr_helper.h"
 #include "ios/chrome/browser/sync/glue/sync_start_util.h"
-#include "ios/chrome/browser/sync/ios_chrome_profile_sync_service_factory.h"
 #include "ios/chrome/browser/web_data_service_factory.h"
 #include "ios/public/provider/chrome/browser/browser_state/chrome_browser_state.h"
+#include "ios/public/provider/chrome/browser/keyed_service_provider.h"
 #include "ios/web/public/web_thread.h"
 
 // static
@@ -49,7 +48,7 @@ void IOSChromePasswordStoreFactory::OnPasswordsSyncedStatePotentiallyChanged(
   scoped_refptr<password_manager::PasswordStore> password_store =
       GetForBrowserState(browser_state, ServiceAccessType::EXPLICIT_ACCESS);
   sync_driver::SyncService* sync_service =
-      IOSChromeProfileSyncServiceFactory::GetForBrowserStateIfExists(
+      ios::GetKeyedServiceProvider()->GetSyncServiceForBrowserStateIfExists(
           browser_state);
   net::URLRequestContextGetter* request_context_getter =
       browser_state->GetRequestContext();
diff --git a/ios/chrome/browser/sync/glue/sync_start_util.cc b/ios/chrome/browser/sync/glue/sync_start_util.cc
index 0ac61b9dfaf084..22123a3f982d00 100644
--- a/ios/chrome/browser/sync/glue/sync_start_util.cc
+++ b/ios/chrome/browser/sync/glue/sync_start_util.cc
@@ -7,12 +7,11 @@
 #include "base/bind.h"
 #include "base/files/file_path.h"
 #include "base/location.h"
-#include "components/browser_sync/browser/profile_sync_service.h"
 #include "components/sync_driver/sync_service.h"
 #include "ios/chrome/browser/application_context.h"
-#include "ios/chrome/browser/sync/ios_chrome_profile_sync_service_factory.h"
 #include "ios/public/provider/chrome/browser/browser_state/chrome_browser_state.h"
 #include "ios/public/provider/chrome/browser/browser_state/chrome_browser_state_manager.h"
+#include "ios/public/provider/chrome/browser/keyed_service_provider.h"
 #include "ios/web/public/web_thread.h"
 
 namespace ios {
@@ -36,7 +35,8 @@ void StartSyncOnUIThread(const base::FilePath& browser_state_path,
   }
 
   sync_driver::SyncService* sync_service =
-      IOSChromeProfileSyncServiceFactory::GetForBrowserState(browser_state);
+      ios::GetKeyedServiceProvider()->GetSyncServiceForBrowserState(
+          browser_state);
   if (!sync_service) {
     DVLOG(2) << "No SyncService for browser state, can't start sync.";
     return;
diff --git a/ios/chrome/browser/sync/ios_chrome_sync_client.cc b/ios/chrome/browser/sync/ios_chrome_sync_client.cc
index ea64a8277d2942..e683c481e2536e 100644
--- a/ios/chrome/browser/sync/ios_chrome_sync_client.cc
+++ b/ios/chrome/browser/sync/ios_chrome_sync_client.cc
@@ -45,13 +45,13 @@
 #include "ios/chrome/browser/pref_names.h"
 #include "ios/chrome/browser/signin/oauth2_token_service_factory.h"
 #include "ios/chrome/browser/sync/glue/sync_start_util.h"
-#include "ios/chrome/browser/sync/ios_chrome_profile_sync_service_factory.h"
 #include "ios/chrome/browser/sync/sessions/ios_chrome_local_session_event_router.h"
 #include "ios/chrome/browser/undo/bookmark_undo_service_factory.h"
 #include "ios/chrome/browser/web_data_service_factory.h"
 #include "ios/chrome/common/channel_info.h"
 #include "ios/public/provider/chrome/browser/browser_state/chrome_browser_state.h"
 #include "ios/public/provider/chrome/browser/chrome_browser_provider.h"
+#include "ios/public/provider/chrome/browser/keyed_service_provider.h"
 #include "ios/web/public/web_thread.h"
 #include "sync/internal_api/public/engine/passive_model_worker.h"
 #include "sync/util/extensions_activity.h"
@@ -248,8 +248,9 @@ base::WeakPtr<syncer::SyncableService>
 IOSChromeSyncClient::GetSyncableServiceForType(syncer::ModelType type) {
   switch (type) {
     case syncer::DEVICE_INFO:
-      return IOSChromeProfileSyncServiceFactory::GetForBrowserState(
-                 browser_state_)
+      return static_cast<ProfileSyncService*>(
+                 ios::GetKeyedServiceProvider()->GetSyncServiceForBrowserState(
+                     browser_state_))
           ->GetDeviceInfoSyncableService()
           ->AsWeakPtr();
     case syncer::PREFERENCES:
@@ -293,7 +294,9 @@ IOSChromeSyncClient::GetSyncableServiceForType(syncer::ModelType type) {
     case syncer::FAVICON_IMAGES:
     case syncer::FAVICON_TRACKING: {
       browser_sync::FaviconCache* favicons =
-          IOSChromeProfileSyncServiceFactory::GetForBrowserState(browser_state_)
+          static_cast<ProfileSyncService*>(
+              ios::GetKeyedServiceProvider()->GetSyncServiceForBrowserState(
+                  browser_state_))
               ->GetFaviconCache();
       return favicons ? favicons->AsWeakPtr()
                       : base::WeakPtr<syncer::SyncableService>();
@@ -307,8 +310,9 @@ IOSChromeSyncClient::GetSyncableServiceForType(syncer::ModelType type) {
       return base::WeakPtr<syncer::SyncableService>();
     }
     case syncer::SESSIONS: {
-      return IOSChromeProfileSyncServiceFactory::GetForBrowserState(
-                 browser_state_)
+      return static_cast<ProfileSyncService*>(
+                 ios::GetKeyedServiceProvider()->GetSyncServiceForBrowserState(
+                     browser_state_))
           ->GetSessionsSyncableService()
           ->AsWeakPtr();
     }
diff --git a/ios/chrome/browser/sync/sync_setup_service_factory.cc b/ios/chrome/browser/sync/sync_setup_service_factory.cc
index 56ce86fc85eefe..89ae6aa198a3de 100644
--- a/ios/chrome/browser/sync/sync_setup_service_factory.cc
+++ b/ios/chrome/browser/sync/sync_setup_service_factory.cc
@@ -5,11 +5,10 @@
 #include "ios/chrome/browser/sync/sync_setup_service_factory.h"
 
 #include "base/memory/singleton.h"
-#include "components/browser_sync/browser/profile_sync_service.h"
 #include "components/keyed_service/ios/browser_state_dependency_manager.h"
-#include "ios/chrome/browser/sync/ios_chrome_profile_sync_service_factory.h"
 #include "ios/chrome/browser/sync/sync_setup_service.h"
 #include "ios/public/provider/chrome/browser/browser_state/chrome_browser_state.h"
+#include "ios/public/provider/chrome/browser/keyed_service_provider.h"
 
 // static
 SyncSetupService* SyncSetupServiceFactory::GetForBrowserState(
@@ -34,7 +33,7 @@ SyncSetupServiceFactory::SyncSetupServiceFactory()
     : BrowserStateKeyedServiceFactory(
           "SyncSetupService",
           BrowserStateDependencyManager::GetInstance()) {
-  DependsOn(IOSChromeProfileSyncServiceFactory::GetInstance());
+  DependsOn(ios::GetKeyedServiceProvider()->GetSyncServiceFactory());
 }
 
 SyncSetupServiceFactory::~SyncSetupServiceFactory() {
@@ -45,6 +44,7 @@ scoped_ptr<KeyedService> SyncSetupServiceFactory::BuildServiceInstanceFor(
   ios::ChromeBrowserState* browser_state =
       ios::ChromeBrowserState::FromBrowserState(context);
   return make_scoped_ptr(new SyncSetupService(
-      IOSChromeProfileSyncServiceFactory::GetForBrowserState(browser_state),
+      ios::GetKeyedServiceProvider()->GetSyncServiceForBrowserState(
+          browser_state),
       browser_state->GetPrefs()));
 }
diff --git a/ios/chrome/browser/ui/webui/sync_internals/sync_internals_message_handler.cc b/ios/chrome/browser/ui/webui/sync_internals/sync_internals_message_handler.cc
index 7bc997a119b1d7..354f7d82f2175c 100644
--- a/ios/chrome/browser/ui/webui/sync_internals/sync_internals_message_handler.cc
+++ b/ios/chrome/browser/ui/webui/sync_internals/sync_internals_message_handler.cc
@@ -7,14 +7,13 @@
 #include <vector>
 
 #include "base/logging.h"
-#include "components/browser_sync/browser/profile_sync_service.h"
 #include "components/signin/core/browser/signin_manager.h"
 #include "components/sync_driver/about_sync_util.h"
 #include "components/sync_driver/sync_service.h"
 #include "ios/chrome/browser/signin/signin_manager_factory.h"
-#include "ios/chrome/browser/sync/ios_chrome_profile_sync_service_factory.h"
 #include "ios/chrome/common/channel_info.h"
 #include "ios/public/provider/chrome/browser/browser_state/chrome_browser_state.h"
+#include "ios/public/provider/chrome/browser/keyed_service_provider.h"
 #include "ios/public/provider/web/web_ui_ios.h"
 #include "ios/web/public/web_thread.h"
 #include "sync/internal_api/public/events/protocol_event.h"
@@ -232,6 +231,6 @@ void SyncInternalsMessageHandler::SendAboutInfo() {
 sync_driver::SyncService* SyncInternalsMessageHandler::GetSyncService() {
   ios::ChromeBrowserState* browser_state =
       ios::ChromeBrowserState::FromWebUIIOS(web_ui());
-  return IOSChromeProfileSyncServiceFactory::GetForBrowserState(
+  return ios::GetKeyedServiceProvider()->GetSyncServiceForBrowserState(
       browser_state->GetOriginalChromeBrowserState());
 }
diff --git a/ios/public/provider/chrome/browser/keyed_service_provider.cc b/ios/public/provider/chrome/browser/keyed_service_provider.cc
index f112f4e805fe91..004821085a26ba 100644
--- a/ios/public/provider/chrome/browser/keyed_service_provider.cc
+++ b/ios/public/provider/chrome/browser/keyed_service_provider.cc
@@ -29,6 +29,7 @@ KeyedServiceProvider::~KeyedServiceProvider() {
 }
 
 void KeyedServiceProvider::AssertKeyedFactoriesBuilt() {
+  GetSyncServiceFactory();
 }
 
 }  // namespace ios
diff --git a/ios/public/provider/chrome/browser/keyed_service_provider.h b/ios/public/provider/chrome/browser/keyed_service_provider.h
index 141bf15aa3ab57..13bd7f3d058b74 100644
--- a/ios/public/provider/chrome/browser/keyed_service_provider.h
+++ b/ios/public/provider/chrome/browser/keyed_service_provider.h
@@ -10,6 +10,10 @@
 class KeyedServiceBaseFactory;
 enum class ServiceAccessType;
 
+namespace sync_driver {
+class SyncService;
+}
+
 namespace ios {
 
 class ChromeBrowserState;
@@ -31,6 +35,18 @@ class KeyedServiceProvider {
   // correct.
   void AssertKeyedFactoriesBuilt();
 
+  // Returns the sync_driver::SyncService factory for dependencies.
+  virtual KeyedServiceBaseFactory* GetSyncServiceFactory() = 0;
+
+  // Returns an instance of sync_driver::SyncService tied to |browser_state|.
+  virtual sync_driver::SyncService* GetSyncServiceForBrowserState(
+      ChromeBrowserState* browser_state) = 0;
+
+  // Returns an instance of sync_driver::SyncService tied to |browser_state| if
+  // there is one created already.
+  virtual sync_driver::SyncService* GetSyncServiceForBrowserStateIfExists(
+      ChromeBrowserState* browser_state) = 0;
+
  private:
   DISALLOW_COPY_AND_ASSIGN(KeyedServiceProvider);
 };
diff --git a/ios/public/test/test_keyed_service_provider.cc b/ios/public/test/test_keyed_service_provider.cc
index 2d7020446749c0..030eff8c5a3aec 100644
--- a/ios/public/test/test_keyed_service_provider.cc
+++ b/ios/public/test/test_keyed_service_provider.cc
@@ -66,4 +66,20 @@ TestKeyedServiceProvider::TestKeyedServiceProvider() {
 TestKeyedServiceProvider::~TestKeyedServiceProvider() {
 }
 
+KeyedServiceBaseFactory* TestKeyedServiceProvider::GetSyncServiceFactory() {
+  return FakeSyncServiceFactory::GetInstance();
+}
+
+sync_driver::SyncService*
+TestKeyedServiceProvider::GetSyncServiceForBrowserState(
+    ChromeBrowserState* browser_state) {
+  return FakeSyncServiceFactory::GetForBrowserState(browser_state);
+}
+
+sync_driver::SyncService*
+TestKeyedServiceProvider::GetSyncServiceForBrowserStateIfExists(
+    ChromeBrowserState* browser_state) {
+  return FakeSyncServiceFactory::GetForBrowserStateIfExists(browser_state);
+}
+
 }  // namespace ios
diff --git a/ios/public/test/test_keyed_service_provider.h b/ios/public/test/test_keyed_service_provider.h
index 69859b13782c0c..9a34fd1c2d15a1 100644
--- a/ios/public/test/test_keyed_service_provider.h
+++ b/ios/public/test/test_keyed_service_provider.h
@@ -15,6 +15,13 @@ class TestKeyedServiceProvider : public KeyedServiceProvider {
   TestKeyedServiceProvider();
   ~TestKeyedServiceProvider() override;
 
+  // KeyedServiceProvider implementation:
+  KeyedServiceBaseFactory* GetSyncServiceFactory() override;
+  sync_driver::SyncService* GetSyncServiceForBrowserState(
+      ChromeBrowserState* browser_state) override;
+  sync_driver::SyncService* GetSyncServiceForBrowserStateIfExists(
+      ChromeBrowserState* browser_state) override;
+
  private:
   DISALLOW_COPY_AND_ASSIGN(TestKeyedServiceProvider);
 };