FBTF: Forward declare and move constructors in chrome/common/extensions/.

chrome/browser/cocoa/extension_installed_bubble_controller_unittest.mm

 // Copyright (c) 2010 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.
 
 #import <Cocoa/Cocoa.h>
 
 #include "base/basictypes.h"
 #include "base/file_path.h"
 #include "base/file_util.h"
 #include "base/path_service.h"
 #include "base/scoped_ptr.h"
+#include "base/values.h"
 #import "chrome/browser/browser_window.h"
 #import "chrome/browser/cocoa/browser_test_helper.h"
 #import "chrome/browser/cocoa/cocoa_test_helper.h"
 #import "chrome/browser/cocoa/extension_installed_bubble_controller.h"
 #include "chrome/common/chrome_paths.h"
 #include "chrome/common/extensions/extension.h"
 #include "chrome/common/extensions/extension_constants.h"
 #include "webkit/glue/image_decoder.h"
 
 // ExtensionInstalledBubbleController with removePageActionPreview overridden
@@ skipping 172 matching lines @@
       extension_installed_bubble::kOuterVerticalMargin);
   NSRect msg1Frame = [controller getExtensionInstalledMsgFrame];
   // Top message should start kInnerVerticalMargin pixels above top of
   //  extensionInstalled message, because page action message is hidden.
   EXPECT_EQ(msg1Frame.origin.y,
             msg3Frame.origin.y + msg3Frame.size.height +
                 extension_installed_bubble::kInnerVerticalMargin);
 
   [controller close];
 }