Revert 113290 - Rename the shared_impl resource files to give them more regular names.

ppapi/shared_impl/ppb_image_data_shared.h

-// Copyright (c) 2011 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 PPAPI_SHARED_IMPL_PPB_IMAGE_DATA_SHARED_H_
-#define PPAPI_SHARED_IMPL_PPB_IMAGE_DATA_SHARED_H_
-
-#include "ppapi/c/pp_bool.h"
-#include "ppapi/c/ppb_image_data.h"
-#include "ppapi/shared_impl/ppapi_shared_export.h"
-
-namespace ppapi {
-
-// Contains the implementation of some simple image data functions that are
-// shared between the proxy and Chrome's implementation. Since these functions
-// are just lists of what we support, it's much easier to just have the same
-// code run in the plugin process than to proxy it.
-//
-// It's possible the implementation will get more complex. In this case, it's
-// probably best to have some kind of "configuration" message that the renderer
-// sends to the plugin process on startup that contains all of these kind of
-// settings.
-class PPAPI_SHARED_EXPORT PPB_ImageData_Shared {
- public:
-  static PP_ImageDataFormat GetNativeImageDataFormat();
-  static bool IsImageDataFormatSupported(PP_ImageDataFormat format);
-};
-
-}  // namespace ppapi
-
-#endif  // PPAPI_SHARED_IMPL_PPB_IMAGE_DATA_SHARED_H_