Move port/.../skia/public to skia/ext for Linux. Windows & Mac already moved ...

webkit/port/platform/graphics/skia/public/BitmapPlatformDevice.h

-// Copyright (c) 2006-2008 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.
-
-// Declare a platform-neutral name for this platform's bitmap device class
-// that can be used by upper-level classes that just need to pass a reference
-// around.
-
-#if defined(WIN32)
-#include "skia/ext/bitmap_platform_device_win.h"
-namespace gfx {
-
-typedef BitmapPlatformDeviceWin BitmapPlatformDevice;
-
-}  // namespace gfx
-#elif defined(__APPLE__)
-#include "skia/ext/bitmap_platform_device_mac.h"
-namespace gfx {
-
-typedef BitmapPlatformDeviceMac BitmapPlatformDevice;
-
-}  // namespace gfx
-#elif defined(__linux__)
-#include "BitmapPlatformDeviceLinux.h"
-namespace gfx {
-
-typedef BitmapPlatformDeviceLinux BitmapPlatformDevice;
-
-}  // namespace gfx
-#endif