Add setup for integration tests in FakeChromeIdentityService.

ios/public/provider/chrome/browser/signin/fake_chrome_identity_service.h

 // Copyright 2016 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_SIGNIN_FAKE_CHROME_IDENTITY_SERVICE_H_
 #define IOS_PUBLIC_PROVIDER_CHROME_BROWSER_SIGNIN_FAKE_CHROME_IDENTITY_SERVICE_H_
 
 #include "ios/public/provider/chrome/browser/signin/chrome_identity_service.h"
 
 #include "base/mac/scoped_nsobject.h"
 #include "testing/gmock/include/gmock/gmock.h"
 
 @class NSMutableArray;
 
 namespace ios {
 
 // A fake ChromeIdentityService used for testing.
 class FakeChromeIdentityService : public ChromeIdentityService {
  public:
   FakeChromeIdentityService();
-  ~FakeChromeIdentityService();
+  virtual ~FakeChromeIdentityService();
 
   // Convenience method that returns the instance of
   // |FakeChromeIdentityService| from the ChromeBrowserProvider.
   static FakeChromeIdentityService* GetInstanceFromChromeProvider();
 
   // ChromeIdentityService implementation.
   bool IsValidIdentity(ChromeIdentity* identity) const override;
   ChromeIdentity* GetIdentityWithGaiaID(
       const std::string& gaia_id) const override;
   bool HasIdentities() const override;
   NSArray* GetAllIdentities() const override;
   NSArray* GetAllIdentitiesSortedForDisplay() const override;
   void ForgetIdentity(ChromeIdentity* identity,
                       ForgetIdentityCallback callback) override;
 
   MOCK_METHOD5(GetAccessToken,
                void(ChromeIdentity* identity,
                     const std::string& client_id,
                     const std::string& client_secret,
                     const std::set<std::string>& scopes,
                     const ios::AccessTokenCallback& callback));
 
+  MOCK_METHOD2(GetAvatarForIdentity,
+               void(ChromeIdentity* identity, GetAvatarCallback callback));
+
+  MOCK_METHOD1(GetCachedAvatarForIdentity, UIImage*(ChromeIdentity* identity));
+
+  MOCK_METHOD2(GetHostedDomainForIdentity,
+               void(ChromeIdentity* identity,
+                    GetHostedDomainCallback callback));
+
   MOCK_METHOD1(GetMDMDeviceStatus,
                ios::MDMDeviceStatus(NSDictionary* user_info));
 
   MOCK_METHOD3(HandleMDMNotification,
                bool(ChromeIdentity* identity,
                     NSDictionary* user_info,
                     ios::MDMStatusCallback callback));
 
+  // Sets up the mock methods for integration tests.
+  void SetUpForIntegrationTests();
+
   // Adds the identities given their name.
   void AddIdentities(NSArray* identitiesNames);
 
   // Adds |identity| to the available identities.
   void AddIdentity(ChromeIdentity* identity);
 
  private:
   base::scoped_nsobject<NSMutableArray> identities_;
 };
 
 }  // namespace ios
 
 #endif  // IOS_PUBLIC_PROVIDER_CHROME_BROWSER_SIGNIN_FAKE_CHROME_IDENTITY_SERVICE_H_