Cleanup: Remove unneeded forward declarations from various chrome subdirectories.

chrome/test/base/ui_test_utils.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_TEST_BASE_UI_TEST_UTILS_H_
 #define CHROME_TEST_BASE_UI_TEST_UTILS_H_
 #pragma once
 
 #include <map>
 #include <queue>
@@ skipping 11 matching lines @@
 #include "content/public/browser/notification_registrar.h"
 #include "content/public/browser/notification_details.h"
 #include "content/public/browser/notification_source.h"
 #include "testing/gtest/include/gtest/gtest.h"
 #include "ui/base/keycodes/keyboard_codes.h"
 #include "ui/gfx/native_widget_types.h"
 #include "webkit/glue/window_open_disposition.h"
 
 class AppModalDialog;
 class BookmarkModel;
-class BookmarkNode;
 class Browser;
 class CommandLine;
-class DownloadManager;
 class ExtensionAction;
 class FilePath;
 class GURL;
 class MessageLoop;
-class NavigationController;
 class Profile;
 class RenderViewHost;
 class RenderWidgetHost;
 class ScopedTempDir;
 class SkBitmap;
 class TabContents;
 class TabContentsWrapper;
 class TemplateURLService;
 
 namespace browser {
@@ skipping 506 matching lines @@
 
 // Takes a snapshot of the entire page, according to the width and height
 // properties of the DOM's document. Returns true on success. DOMAutomation
 // must be enabled.
 bool TakeEntirePageSnapshot(RenderViewHost* rvh,
                             SkBitmap* bitmap) WARN_UNUSED_RESULT;
 
 }  // namespace ui_test_utils
 
 #endif  // CHROME_TEST_BASE_UI_TEST_UTILS_H_