Refactor OAuth2TokenService to have profile- and device-based implementations.

chrome/browser/signin/profile_oauth2_token_service_request.h

 // Copyright 2012 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 CHROME_BROWSER_SIGNIN_OAUTH2_TOKEN_SERVICE_REQUEST_H_
-#define CHROME_BROWSER_SIGNIN_OAUTH2_TOKEN_SERVICE_REQUEST_H_
+#ifndef CHROME_BROWSER_SIGNIN_PROFILE_OAUTH2_TOKEN_SERVICE_REQUEST_H_
+#define CHROME_BROWSER_SIGNIN_PROFILE_OAUTH2_TOKEN_SERVICE_REQUEST_H_
 
 #include <set>
 #include <string>
 
-#include "base/memory/ref_counted.h"
 #include "base/threading/non_thread_safe.h"
-#include "base/time.h"
 #include "chrome/browser/signin/oauth2_token_service.h"
-#include "google_apis/gaia/google_service_auth_error.h"
 
 class Profile;
 
-// OAuth2TokenServiceRequest represents a request to fetch an OAuth2 access
-// token for a given set of |scopes| by calling |profile|'s
-// OAuth2TokenService. A request can be created and started from any thread
-// with an object |consumer| that will be called back on the same thread when
-// fetching completes.
-// If the request is destructed before |consumer| is called, |consumer| will
-// never be called back. (Note the actual network activities are not canceled
-// and the cache in OAuth2TokenService will be populated with the fetched
-// results.)
-class OAuth2TokenServiceRequest : public OAuth2TokenService::Request,
-                                  public base::NonThreadSafe {
+// ProfileOAuth2TokenServiceRequest represents a request to fetch an
+// OAuth2 access token for a given set of |scopes| by calling |profile|'s
+// ProfileOAuth2TokenService. A request can be created and started from
+// any thread with an object |consumer| that will be called back on the
+// same thread when fetching completes.  If the request is destructed
+// before |consumer| is called, |consumer| will never be called back. (Note
+// the actual network activities are not canceled and the cache in
+// ProfileOAuth2TokenService will be populated with the fetched results.)
+class ProfileOAuth2TokenServiceRequest : public OAuth2TokenService::Request,
+                                         public base::NonThreadSafe {
  public:
-  static OAuth2TokenServiceRequest* CreateAndStart(
+  static ProfileOAuth2TokenServiceRequest* CreateAndStart(
       Profile* profile,
       const OAuth2TokenService::ScopeSet& scopes,
       OAuth2TokenService::Consumer* consumer);
 
-  virtual ~OAuth2TokenServiceRequest();
+  virtual ~ProfileOAuth2TokenServiceRequest();
 
  private:
   class Core;
   friend class Core;
 
-  OAuth2TokenServiceRequest(Profile* profile,
+  ProfileOAuth2TokenServiceRequest(Profile* profile,
                             const OAuth2TokenService::ScopeSet& scopes,
                             OAuth2TokenService::Consumer* consumer);
   OAuth2TokenService::Consumer* const consumer_;
   scoped_refptr<Core> core_;
 
-  DISALLOW_COPY_AND_ASSIGN(OAuth2TokenServiceRequest);
+  DISALLOW_COPY_AND_ASSIGN(ProfileOAuth2TokenServiceRequest);
 };
 
-#endif  // CHROME_BROWSER_SIGNIN_OAUTH2_TOKEN_SERVICE_REQUEST_H_
+#endif  // CHROME_BROWSER_SIGNIN_PROFILE_OAUTH2_TOKEN_SERVICE_REQUEST_H_