FBTF: Forward declare everything possible in testing_profile.h

chrome/browser/autocomplete/history_url_provider_unittest.cc

 // Copyright (c) 2009 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/file_util.h"
 #include "base/message_loop.h"
 #include "base/path_service.h"
 #include "base/string_util.h"
+#include "base/utf_string_conversions.h"
 #include "chrome/browser/autocomplete/history_url_provider.h"
 #include "chrome/browser/chrome_thread.h"
 #include "chrome/browser/history/history.h"
 #include "chrome/test/testing_profile.h"
 #include "testing/gtest/include/gtest/gtest.h"
 #if defined(OS_MACOSX)
 #include "base/mac_util.h"
 #endif
 
 using base::Time;
@@ skipping 394 matching lines @@
   std::string navigation_1[] = {"http://test.com/"};
   RunTest(L"test.com", std::wstring(), false, navigation_1,
           arraysize(navigation_1));
 
   std::string navigation_2[] = {"http://slash/"};
   RunTest(L"slash", std::wstring(), false, navigation_2,
           arraysize(navigation_2));
 
   RunTest(L"this is a query", std::wstring(), false, NULL, 0);
 }