WebAppProvider: registrar() const

We add a const method returning a const reference
to the WebAppRegistrar.

Change-Id: Ie64981001e13efd3fd03d750b8550e918ba0ddcd
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/3222321
Auto-Submit: Eric Willigers <ericwilligers@chromium.org>
Commit-Queue: Alexey Baskakov <loyso@chromium.org>
Reviewed-by: Alexey Baskakov <loyso@chromium.org>
Cr-Commit-Position: refs/heads/main@{#931849}

chrome/browser/badging/badge_manager.cc

@@ -252,7 +252,7 @@ BadgeManager::FrameBindingContext::GetAppIdsAndUrlsForBadging() const {
   if (!contents)
     return std::vector<std::tuple<web_app::AppId, GURL>>{};
 
-  auto* provider = WebAppProvider::GetForLocalAppsUnchecked(
+  const WebAppProvider* provider = WebAppProvider::GetForLocalAppsUnchecked(
       Profile::FromBrowserContext(contents->GetBrowserContext()));
   if (!provider)
     return std::vector<std::tuple<web_app::AppId, GURL>>{};
@@ -275,7 +275,7 @@ BadgeManager::ServiceWorkerBindingContext::GetAppIdsAndUrlsForBadging() const {
   if (!render_process_host)
     return std::vector<std::tuple<web_app::AppId, GURL>>{};
 
-  auto* provider = WebAppProvider::GetForLocalAppsUnchecked(
+  const WebAppProvider* provider = WebAppProvider::GetForLocalAppsUnchecked(
       Profile::FromBrowserContext(render_process_host->GetBrowserContext()));
   if (!provider)
     return std::vector<std::tuple<web_app::AppId, GURL>>{};

chrome/browser/web_applications/web_app_provider.cc

@@ -130,6 +130,11 @@ WebAppRegistrar& WebAppProvider::registrar() {
   return *registrar_;
 }
 
+const WebAppRegistrar& WebAppProvider::registrar() const {
+  CheckIsConnected();
+  return *registrar_;
+}
+
 WebAppSyncBridge& WebAppProvider::sync_bridge() {
   CheckIsConnected();
   return *sync_bridge_;

chrome/browser/web_applications/web_app_provider.h

@@ -100,6 +100,7 @@ class WebAppProvider : public KeyedService {
 
   // The app registry model.
   WebAppRegistrar& registrar();
+  const WebAppRegistrar& registrar() const;
   // The app registry controller.
   WebAppSyncBridge& sync_bridge();
   // UIs can use WebAppInstallManager for user-initiated Web Apps install.