FBTF: Forward declare everything possible in testing_profile.h

chrome/browser/history/top_sites_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/l10n_util.h"
+#include "base/file_util.h"
 #include "base/scoped_temp_dir.h"
 #include "base/string_util.h"
 #include "base/utf_string_conversions.h"
+#include "base/values.h"
+#include "chrome/browser/chrome_thread.h"
 #include "chrome/browser/history/top_sites.h"
-#include "chrome/common/chrome_paths.h"
 #include "chrome/browser/dom_ui/most_visited_handler.h"
 #include "chrome/browser/history/history_marshaling.h"
 #include "chrome/browser/history/top_sites_database.h"
 #include "chrome/browser/history/history_notifications.h"
+#include "chrome/common/chrome_paths.h"
 #include "chrome/test/testing_profile.h"
 #include "chrome/tools/profiles/thumbnail-inl.h"
 #include "gfx/codec/jpeg_codec.h"
 #include "googleurl/src/gurl.h"
 #include "grit/chromium_strings.h"
 #include "grit/generated_resources.h"
 #include "grit/locale_settings.h"
 #include "testing/gtest/include/gtest/gtest.h"
 #include "third_party/skia/include/core/SkBitmap.h"
 
@@ skipping 1300 matching lines @@
 
   top_sites().RemoveBlacklistedURL(store_url);
   EXPECT_EQ(6, top_sites().GetIndexForChromeStore(pages));
 
   top_sites().AddPinnedURL(GURL("http://bbc.com"), 2);
   // All pinned - can't add store.
   EXPECT_EQ(-1, top_sites().GetIndexForChromeStore(pages));
 }
 
 }  // namespace history