Rename the shared impl files.

ppapi/shared_impl/ppb_video_decoder_shared.h

Index: ppapi/shared_impl/ppb_video_decoder_shared.h
diff --git a/ppapi/shared_impl/video_decoder_impl.h b/ppapi/shared_impl/ppb_video_decoder_shared.h
similarity index 87%
rename from ppapi/shared_impl/video_decoder_impl.h
rename to ppapi/shared_impl/ppb_video_decoder_shared.h
index 754dd752aa3327ee848f19e4daac450528c3f24c..55b629cc1f92062f792bbdb6d217094619fa8e21 100644
--- a/ppapi/shared_impl/video_decoder_impl.h
+++ b/ppapi/shared_impl/ppb_video_decoder_shared.h
@@ -2,8 +2,8 @@
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
-#ifndef PPAPI_SHARED_IMPL_VIDEO_DECODER_IMPL_H_
-#define PPAPI_SHARED_IMPL_VIDEO_DECODER_IMPL_H_
+#ifndef PPAPI_SHARED_IMPL_PPB_VIDEO_DECODER_SHARED_H_
+#define PPAPI_SHARED_IMPL_PPB_VIDEO_DECODER_SHARED_H_
 
 #include <map>
 #include <vector>
@@ -24,11 +24,11 @@ namespace ppapi {
 
 // Implements the logic to set and run callbacks for various video decoder
 // events. Both the proxy and the renderer implementation share this code.
-class PPAPI_SHARED_EXPORT VideoDecoderImpl
+class PPAPI_SHARED_EXPORT PPB_VideoDecoder_Shared
     : NON_EXPORTED_BASE(public thunk::PPB_VideoDecoder_API) {
  public:
-  VideoDecoderImpl();
-  virtual ~VideoDecoderImpl();
+  PPB_VideoDecoder_Shared();
+  virtual ~PPB_VideoDecoder_Shared();
 
   // PPB_VideoDecoder_API implementation.
   virtual void Destroy() OVERRIDE;
@@ -69,9 +69,9 @@ class PPAPI_SHARED_EXPORT VideoDecoderImpl
   // process only, so gles2_impl_ is NULL in that case.
   gpu::gles2::GLES2Implementation* gles2_impl_;
 
-  DISALLOW_COPY_AND_ASSIGN(VideoDecoderImpl);
+  DISALLOW_COPY_AND_ASSIGN(PPB_VideoDecoder_Shared);
 };
 
 }  // namespace ppapi
 
-#endif  // PPAPI_SHARED_IMPL_VIDEO_DECODER_IMPL_H_
+#endif  // PPAPI_SHARED_IMPL_PPB_VIDEO_DECODER_SHARED_H_