Cleanup remaining class/struct fwd declarations

google_apis/gaia/oauth2_mint_token_flow.h

 // Copyright (c) 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 GOOGLE_APIS_GAIA_OAUTH2_MINT_TOKEN_FLOW_H_
 #define GOOGLE_APIS_GAIA_OAUTH2_MINT_TOKEN_FLOW_H_
 
 #include <string>
 #include <vector>
 
 #include "base/gtest_prod_util.h"
 #include "base/macros.h"
 #include "base/memory/weak_ptr.h"
 #include "base/strings/string16.h"
 #include "google_apis/gaia/oauth2_api_call_flow.h"
 #include "url/gurl.h"
 
 class GoogleServiceAuthError;
 class OAuth2MintTokenFlowTest;
 
 namespace base {
 class DictionaryValue;
 }
 
 namespace content {
 class URLFetcher;
 }
 
-namespace net {
-class URLRequestContextGetter;
-}
-
 // IssueAdvice: messages to show to the user to get a user's approval.
 // The structure is as follows:
 // * Description 1
 //   - Detail 1.1
 //   - Details 1.2
 // * Description 2
 //   - Detail 2.1
 //   - Detail 2.2
 //   - Detail 2.3
 // * Description 3
@@ skipping 90 matching lines @@
       int* time_to_live);
 
   Delegate* delegate_;
   Parameters parameters_;
   base::WeakPtrFactory<OAuth2MintTokenFlow> weak_factory_;
 
   DISALLOW_COPY_AND_ASSIGN(OAuth2MintTokenFlow);
 };
 
 #endif  // GOOGLE_APIS_GAIA_OAUTH2_MINT_TOKEN_FLOW_H_