Revert of Access SigninErrorProvider through ChromeBrowserProvider.

ios/public/provider/chrome/browser/chrome_browser_provider.h

 // Copyright 2013 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #ifndef IOS_PUBLIC_PROVIDER_CHROME_BROWSER_CHROME_BROWSER_PROVIDER_H_
 #define IOS_PUBLIC_PROVIDER_CHROME_BROWSER_CHROME_BROWSER_PROVIDER_H_
 
 #include <CoreGraphics/CoreGraphics.h>
 #import <Foundation/Foundation.h>
 #include <stddef.h>
@@ skipping 40 matching lines @@
 @class UITextField;
 @class UIView;
 typedef UIView<InfoBarViewProtocol>* InfoBarViewPlaceholder;
 
 namespace ios {
 
 class ChromeBrowserProvider;
 class ChromeBrowserState;
 class ChromeIdentityService;
 class GeolocationUpdaterProvider;
-class SigninErrorProvider;
 class SigninResourcesProvider;
 class LiveTabContextProvider;
 class UpdatableResourceProvider;
 
 // Setter and getter for the provider. The provider should be set early, before
 // any browser code is called.
 void SetChromeBrowserProvider(ChromeBrowserProvider* provider);
 ChromeBrowserProvider* GetChromeBrowserProvider();
 
 // A class that allows embedding iOS-specific functionality in the
 // ios_chrome_browser target.
 class ChromeBrowserProvider {
  public:
   ChromeBrowserProvider();
   virtual ~ChromeBrowserProvider();
 
   // Asserts all iOS-specific |BrowserContextKeyedServiceFactory| are built.
   virtual void AssertBrowserContextKeyedFactoriesBuilt();
   // Registers all prefs that will be used via a PrefService attached to a
   // Profile.
   virtual void RegisterProfilePrefs(user_prefs::PrefRegistrySyncable* registry);
   // Returns an UpdatableResourceProvider instance.
   virtual UpdatableResourceProvider* GetUpdatableResourceProvider();
   // Returns an infobar view conforming to the InfoBarViewProtocol. The returned
   // object is retained.
   virtual InfoBarViewPlaceholder CreateInfoBarView(
       CGRect frame,
       InfoBarViewDelegate* delegate) NS_RETURNS_RETAINED;
-  // Returns an instance of a signing error provider.
-  virtual SigninErrorProvider* GetSigninErrorProvider();
   // Returns an instance of a signin resources provider.
   virtual SigninResourcesProvider* GetSigninResourcesProvider();
   // Sets the current instance of Chrome identity service. Used for testing.
   virtual void SetChromeIdentityServiceForTesting(
       std::unique_ptr<ChromeIdentityService> service);
   // Returns an instance of a Chrome identity service.
   virtual ChromeIdentityService* GetChromeIdentityService();
   // Returns an instance of a LiveTabContextProvider.
   virtual LiveTabContextProvider* GetLiveTabContextProvider();
   virtual GeolocationUpdaterProvider* GetGeolocationUpdaterProvider();
@@ skipping 50 matching lines @@
   virtual VoiceSearchProvider* GetVoiceSearchProvider() const;
 
   // Returns the SyncedWindowDelegatesGetter implementation.
   virtual std::unique_ptr<sync_sessions::SyncedWindowDelegatesGetter>
   CreateSyncedWindowDelegatesGetter(ios::ChromeBrowserState* browser_state);
 };
 
 }  // namespace ios
 
 #endif  // IOS_PUBLIC_PROVIDER_CHROME_BROWSER_CHROME_BROWSER_PROVIDER_H_