FBTF: Forward declare everything possible in testing_profile.h

chrome/browser/views/extensions/browser_action_drag_data_unittest.cc

 // 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 "app/os_exchange_data.h"
 #include "app/os_exchange_data_provider_win.h"
 #include "base/pickle.h"
 #include "chrome/browser/views/extensions/browser_action_drag_data.h"
 #include "chrome/test/testing_profile.h"
+#include "googleurl/src/gurl.h"
 #include "testing/gtest/include/gtest/gtest.h"
 
 namespace {
 
 OSExchangeData::Provider* CloneProvider(const OSExchangeData& data) {
   return new OSExchangeDataProviderWin(
       OSExchangeDataProviderWin::GetIDataObject(data));
 }
 
 }  // namespace
@@ skipping 26 matching lines @@
   OSExchangeData data;
   data.SetPickledData(BrowserActionDragData::GetBrowserActionCustomFormat(),
                       pickle);
 
   BrowserActionDragData drag_data;
   EXPECT_TRUE(drag_data.Read(OSExchangeData(CloneProvider(data))));
   ASSERT_TRUE(drag_data.IsFromProfile(profile.GetOriginalProfile()));
   ASSERT_STREQ(extension_id.c_str(), drag_data.id().c_str());
   ASSERT_EQ(42, drag_data.index());
 }