Implement PPAPI VideoDecode out-of-process support

ppapi/c/dev/ppb_video_decoder_dev.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_C_DEV_PPB_VIDEO_DECODER_DEV_H_
 #define PPAPI_C_DEV_PPB_VIDEO_DECODER_DEV_H_
 
 #include "ppapi/c/dev/pp_video_dev.h"
 #include "ppapi/c/pp_completion_callback.h"
 #include "ppapi/c/pp_var.h"
@@ skipping 20 matching lines @@
 // plugin.
 struct PPB_VideoDecoder_Dev {
   // Creates & initializes a video decoder.
   //
   // Parameters:
   //   |instance| pointer to the plugin instance.
   //   |context_3d| a PPB_Context3D_Dev resource in which decoding will happen.
   //   |decoder_config| the configuration to use to initialize the decoder.
   //
   // The created decoder is returned as PP_Resource. 0 means failure.
+  // TODO(fischman/vrk): Get rid of silly PP_VideoConfigElement* vector in favor
+  // of config struct.
   PP_Resource (*Create)(PP_Instance instance,
                         PP_Resource context,
                         const PP_VideoConfigElement* decoder_config);
 
   // Tests whether |resource| is a video decoder created through Create
   // function of this interface.
   //
   // Parameters:
   //   |resource| is handle to resource to test.
   //
@@ skipping 72 matching lines @@
   // may be freed asynchronously, after this method returns no more callbacks
   // will be made on the client.  Any resources held by the client at that point
   // may be freed.
   //
   // Parameters:
   //   |video_decoder| is the previously created handle to the decoder resource.
   void (*Destroy)(PP_Resource video_decoder);
 };
 
 #endif  /* PPAPI_C_DEV_PPB_VIDEO_DECODER_DEV_H_ */