FBTB: Remove unneeded #includes of base/ref_counted.h and base/string16.h in src/chrome.

chrome/common/font_loader_mac.h

 // 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.
 
 #ifndef CHROME_COMMON_FONT_LOADER_MAC_H_
 #define CHROME_COMMON_FONT_LOADER_MAC_H_
 #pragma once
 
 #include <ApplicationServices/ApplicationServices.h>
 
 #include "base/shared_memory.h"
-#include "base/string16.h"
 
 #ifdef __OBJC__
 @class NSFont;
 #else
 class NSFont;
 #endif
 
 // Provides functionality to transmit fonts over IPC.
 //
 // Note about font formats: .dfont (datafork suitcase) fonts are currently not
@@ skipping 24 matching lines @@
   //  returns true on success, false on failure.
   //  |font_container| - A font container corresponding to the designated font.
   //  The caller is responsible for releasing this value via ATSFontDeactivate()
   //  when done
   static bool ATSFontContainerFromBuffer(base::SharedMemoryHandle font_data,
                                          uint32 font_data_size,
                                          ATSFontContainerRef* font_container);
 };
 
 #endif // CHROME_COMMON_FONT_LOADER_MAC_H_