diff --git a/components/autofill/browser/autofill_manager.cc b/components/autofill/browser/autofill_manager.cc
index e7b2171746ce..666974fb308c 100644
--- a/components/autofill/browser/autofill_manager.cc
+++ b/components/autofill/browser/autofill_manager.cc
@@ -1236,7 +1236,7 @@ void AutofillManager::ParseForms(const std::vector<FormData>& forms) {
     // no form in the page. This give |autocheckout_manager| a chance to
     // terminate Autocheckout and send Autocheckout status.
     autocheckout_manager_.OnLoadedPageMetaData(
-        scoped_ptr<autofill::AutocheckoutPageMetaData>(NULL));
+        scoped_ptr<autofill::AutocheckoutPageMetaData>());
   } else if (download_manager_) {
     // Query the server if we have at least one of the forms were parsed.
     download_manager_->StartQueryRequest(form_structures_.get(),
diff --git a/components/autofill/browser/phone_number_i18n.cc b/components/autofill/browser/phone_number_i18n.cc
index 17a13481d4a4..d8ad08eb0e0f 100644
--- a/components/autofill/browser/phone_number_i18n.cc
+++ b/components/autofill/browser/phone_number_i18n.cc
@@ -228,8 +228,7 @@ bool PhoneNumbersMatch(const base::string16& number_a,
 
 PhoneObject::PhoneObject(const base::string16& number,
                          const std::string& region)
-    : region_(region),
-      i18n_number_(NULL) {
+    : region_(region) {
   DCHECK_EQ(2u, region.size());
   // TODO(isherman): Autofill profiles should always have a |region| set, but in
   // some cases it should be marked as implicit.  Otherwise, phone numbers
@@ -250,12 +249,9 @@ PhoneObject::PhoneObject(const base::string16& number,
   }
 }
 
-PhoneObject::PhoneObject(const PhoneObject& other) : i18n_number_(NULL) {
-  *this = other;
-}
+PhoneObject::PhoneObject(const PhoneObject& other) { *this = other; }
 
-PhoneObject::PhoneObject() : i18n_number_(NULL) {
-}
+PhoneObject::PhoneObject() {}
 
 PhoneObject::~PhoneObject() {
 }
diff --git a/components/navigation_interception/intercept_navigation_resource_throttle_unittest.cc b/components/navigation_interception/intercept_navigation_resource_throttle_unittest.cc
index 0db3ddac0414..6082e0f69de6 100644
--- a/components/navigation_interception/intercept_navigation_resource_throttle_unittest.cc
+++ b/components/navigation_interception/intercept_navigation_resource_throttle_unittest.cc
@@ -104,12 +104,13 @@ class MockResourceController : public content::ResourceController {
 
 class TestIOThreadState {
  public:
-  TestIOThreadState(const GURL& url, int render_process_id, int render_view_id,
+  TestIOThreadState(const GURL& url,
+                    int render_process_id,
+                    int render_view_id,
                     const std::string& request_method,
                     MockInterceptCallbackReceiver* callback_receiver)
-      : request_(url, NULL, resource_context_.GetRequestContext()),
-        throttle_(NULL) {
-      DCHECK(content::BrowserThread::CurrentlyOn(content::BrowserThread::IO));
+      : request_(url, NULL, resource_context_.GetRequestContext()) {
+    DCHECK(content::BrowserThread::CurrentlyOn(content::BrowserThread::IO));
       if (render_process_id != MSG_ROUTING_NONE &&
           render_view_id != MSG_ROUTING_NONE) {
         content::ResourceRequestInfo::AllocateForTesting(
diff --git a/components/webdata/common/web_data_request_manager.cc b/components/webdata/common/web_data_request_manager.cc
index 635e1fc05e60..9ea1ad8456c0 100644
--- a/components/webdata/common/web_data_request_manager.cc
+++ b/components/webdata/common/web_data_request_manager.cc
@@ -16,10 +16,7 @@
 
 WebDataRequest::WebDataRequest(WebDataServiceConsumer* consumer,
                                WebDataRequestManager* manager)
-    : manager_(manager),
-      cancelled_(false),
-      consumer_(consumer),
-      result_(NULL) {
+    : manager_(manager), cancelled_(false), consumer_(consumer) {
   handle_ = manager_->GetNextRequestHandle();
   message_loop_ = base::MessageLoop::current();
   manager_->RegisterRequest(this);
diff --git a/components/webdata/common/web_data_service_backend.cc b/components/webdata/common/web_data_service_backend.cc
index 300b182bc84e..321ff53e3cac 100644
--- a/components/webdata/common/web_data_service_backend.cc
+++ b/components/webdata/common/web_data_service_backend.cc
@@ -106,7 +106,7 @@ scoped_ptr<WDTypedResult> WebDataServiceBackend::ExecuteReadTask(
   if (db_ && init_status_ == sql::INIT_OK) {
     return task.Run(db_.get());
   }
-  return scoped_ptr<WDTypedResult>(NULL);
+  return scoped_ptr<WDTypedResult>();
 }
 
 WebDataServiceBackend::~WebDataServiceBackend() {