FBTF: Forward declare everything possible in testing_profile.h

chrome/browser/cocoa/cookie_prompt_window_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.
 
+#include "base/message_loop.h"
 #include "base/sys_string_conversions.h"
+#include "chrome/browser/chrome_thread.h"
 #include "chrome/browser/cocoa/cocoa_test_helper.h"
 #include "chrome/browser/cocoa/cookie_prompt_window_controller.h"
 #include "chrome/browser/cookie_modal_dialog.h"
+#include "chrome/browser/host_content_settings_map.h"
 #include "chrome/test/testing_profile.h"
 
 // A mock class which implements just enough functionality to
 // act as a radio with a pre-specified selected button.
 @interface MockRadioButtonMatrix : NSObject {
  @private
   NSInteger selectedRow_;
 }
 - (NSInteger)selectedRow;
 @end
@@ skipping 212 matching lines @@
   // goes back down to 1--the controller won't do it for us. And
   // even calling setValue:forKey: again with a nil doesn't
   // decrement it. Ugly, but otherwise valgrind complains.
   [checkbox.get() release];
 
   EXPECT_FALSE(dialog->remember());
   EXPECT_FALSE(dialog->allow());
 }
 
 }  // namespace