Inject CanAddURLToHistory into TopSitesImpl

remoting/host/setup/oauth_client.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 REMOTING_HOST_SETUP_OAUTH_CLIENT
 #define REMOTING_HOST_SETUP_OAUTH_CLIENT
 
 #include <queue>
 #include <string>
 
@@ skipping 17 matching lines @@
   // strings on error.
   typedef base::Callback<void(
       const std::string& user_email,
       const std::string& refresh_token)> CompletionCallback;
 
   OAuthClient(
       scoped_refptr<net::URLRequestContextGetter> url_request_context_getter);
 
   ~OAuthClient() override;
 
-  // Redeems |auth_code| using |oauth_client_info| to obtain |refresh_token| and
-  // |access_token|, then uses the userinfo endpoint to obtain |user_email|.
-  // Calls CompletionCallback with |user_email| and |refresh_token| when done,
-  // or with empty strings on error.
-  // If a request is received while another one is  being processed, it is
-  // enqueued and processed after the first one is finished.
+  // Redeems |auth_code| using |oauth_client_info| to obtain
+  // |refresh_token| and |access_token|, then, if |need_user_email| is
+  // true, uses the userinfo endpoint to obtain |user_email|.  Calls
+  // CompletionCallback with |user_email| and |refresh_token| when
+  // done, or with empty strings on error.  If a request is received
+  // while another one is being processed, it is enqueued and
+  // processed after the first one is finished.
   void GetCredentialsFromAuthCode(
       const gaia::OAuthClientInfo& oauth_client_info,
       const std::string& auth_code,
+      bool need_user_email,
       CompletionCallback on_done);
 
   // gaia::GaiaOAuthClient::Delegate
   void OnGetTokensResponse(const std::string& refresh_token,
                            const std::string& access_token,
                            int expires_in_seconds) override;
   void OnRefreshTokenResponse(const std::string& access_token,
                               int expires_in_seconds) override;
   void OnGetUserEmailResponse(const std::string& user_email) override;
 
   void OnOAuthError() override;
   void OnNetworkError(int response_code) override;
 
  private:
   struct Request {
     Request(const gaia::OAuthClientInfo& oauth_client_info,
             const std::string& auth_code,
+            bool need_user_email,
             CompletionCallback on_done);
     virtual ~Request();
     gaia::OAuthClientInfo oauth_client_info;
     std::string auth_code;
+    bool need_user_email;
     CompletionCallback on_done;
   };
 
   void SendResponse(const std::string& user_email,
                     const std::string& refresh_token);
 
   std::queue<Request> pending_requests_;
   gaia::GaiaOAuthClient gaia_oauth_client_;
   std::string refresh_token_;
+  bool need_user_email_;
   CompletionCallback on_done_;
 
   DISALLOW_COPY_AND_ASSIGN(OAuthClient);
 };
 
 }  // namespace remoting
 
 #endif  // REMOTING_HOST_SETUP_OAUTH_CLIENT