Cleanup: Remove unneeded forward declarations from various chrome/browser subdirectories.

chrome/browser/prefs/pref_service_mock_builder.h

 // Copyright (c) 2011 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_PREFS_PREF_SERVICE_MOCK_BUILDER_H_
 #define CHROME_BROWSER_PREFS_PREF_SERVICE_MOCK_BUILDER_H_
 #pragma once
 
 #include "base/basictypes.h"
 #include "base/memory/ref_counted.h"
 #include "chrome/common/persistent_pref_store.h"
 #include "chrome/common/pref_store.h"
 
 class CommandLine;
 class FilePath;
 class PrefService;
-class Profile;
 
 namespace policy {
 class ConfigurationPolicyProvider;
 }
 
 // A helper that allows convenient building of custom PrefServices in tests.
 class PrefServiceMockBuilder {
  public:
   PrefServiceMockBuilder();
   ~PrefServiceMockBuilder();
@@ skipping 35 matching lines @@
   scoped_refptr<PrefStore> extension_prefs_;
   scoped_refptr<PrefStore> command_line_prefs_;
   scoped_refptr<PersistentPrefStore> user_prefs_;
   scoped_refptr<PrefStore> recommended_platform_prefs_;
   scoped_refptr<PrefStore> recommended_cloud_prefs_;
 
   DISALLOW_COPY_AND_ASSIGN(PrefServiceMockBuilder);
 };
 
 #endif  // CHROME_BROWSER_PREFS_PREF_SERVICE_MOCK_BUILDER_H_