Move PlatformCanvas and PlatformDevice from base/gfx to webkit/port. I left h...

base/gfx/platform_device.h

Index: base/gfx/platform_device.h
===================================================================
--- base/gfx/platform_device.h	(revision 5678)
+++ base/gfx/platform_device.h	(working copy)
@@ -2,26 +2,6 @@
 // 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 device class
-// that can be used by upper-level classes that just need to pass a reference
-// around.
-
-#if defined(OS_WIN)
-#include "base/gfx/platform_device_win.h"
-#elif defined(OS_MACOSX)
-#include "base/gfx/platform_device_mac.h"
-#elif defined(OS_LINUX)
-#include "base/gfx/platform_device_linux.h"
-#endif
-
-namespace gfx {
-  
-#if defined(OS_WIN)
-typedef PlatformDeviceWin PlatformDevice;
-#elif defined(OS_MACOSX)
-typedef PlatformDeviceMac PlatformDevice;
-#elif defined(OS_LINUX)
-typedef PlatformDeviceLinux PlatformDevice;
-#endif
-  
-}  // namespace gfx
+// TODO(brettw) this file should be removed and the includes changed to this
+// new location.
+#include "webkit/port/platform/graphics/skia/public/PlatformDevice.h"