Clean up video frame sizes, types in Video Decode API

content/common/gpu/gpu_messages.h

Index: content/common/gpu/gpu_messages.h
diff --git a/content/common/gpu/gpu_messages.h b/content/common/gpu/gpu_messages.h
index 9c31376f44098cda7f99914126e36c9867d25fa8..1c3e0cb140cadb478fa59d359d7ad554d331332a 100644
--- a/content/common/gpu/gpu_messages.h
+++ b/content/common/gpu/gpu_messages.h
@@ -588,10 +588,9 @@ IPC_MESSAGE_ROUTED1(AcceleratedVideoDecoderHostMsg_BitstreamBufferProcessed,
                     int32) /* Processed buffer ID */
 
 // Allocate video frames for output of the hardware video decoder.
-IPC_MESSAGE_ROUTED3(AcceleratedVideoDecoderHostMsg_ProvidePictureBuffers,
+IPC_MESSAGE_ROUTED2(AcceleratedVideoDecoderHostMsg_ProvidePictureBuffers,
                     int32,  /* Number of video frames to generate */
-                    gfx::Size, /* Requested size of buffer */
-                    int32) /* Type of buffer */
+                    gfx::Size)  /* Requested size of buffer */
 
 // Decoder has been created and is ready for initialization.
 IPC_MESSAGE_ROUTED1(AcceleratedVideoDecoderHostMsg_CreateDone,
@@ -603,11 +602,9 @@ IPC_MESSAGE_ROUTED1(AcceleratedVideoDecoderHostMsg_DismissPictureBuffer,
                     int32) /* Picture buffer ID */
 
 // Decoder reports that a picture is ready.
-IPC_MESSAGE_ROUTED4(AcceleratedVideoDecoderHostMsg_PictureReady,
+IPC_MESSAGE_ROUTED2(AcceleratedVideoDecoderHostMsg_PictureReady,
                     int32,  /* Picture buffer ID */
-                    int32,  /* Bitstream buffer ID */
-                    gfx::Size, /* Visible size */
-                    gfx::Size) /* Decoded size */
+                    int32)  /* Bitstream buffer ID */
 
 // Confirm decoder has been flushed.
 IPC_MESSAGE_ROUTED0(AcceleratedVideoDecoderHostMsg_FlushDone)