Plumb allow_overlay flag for video path into cc

content/common/gpu/gpu_messages.h

 // Copyright (c) 2012 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.
 
 // Multiply-included message file, hence no include guard here, but see below
 // for a much smaller-than-usual include guard section.
 
 #include <string>
 #include <vector>
 
@@ skipping 670 matching lines @@
     int32, /* Number of video frames to generate */
     gfx::Size, /* Requested size of buffer */
     uint32 ) /* Texture target */
 
 // Decoder reports that a picture is ready and buffer does not need to be passed
 // back to the decoder.
 IPC_MESSAGE_ROUTED1(AcceleratedVideoDecoderHostMsg_DismissPictureBuffer,
                     int32) /* Picture buffer ID */
 
 // Decoder reports that a picture is ready.
-IPC_MESSAGE_ROUTED3(AcceleratedVideoDecoderHostMsg_PictureReady,
+IPC_MESSAGE_ROUTED4(AcceleratedVideoDecoderHostMsg_PictureReady,
                     int32,     /* Picture buffer ID */
                     int32,     /* Bitstream buffer ID */
-                    gfx::Rect) /* Visible rectangle */
+                    gfx::Rect, /* Visible rectangle */
+                    bool)      /* Is overlay buffer */

[alexst (slow to review), 2015/01/19 19:59:31]

Driveby nit: "Is HW overlay capable" or something to that extent might be  more
descriptive.

[achaulk, 2015/01/21 17:12:03]

Done.

 
 // Confirm decoder has been flushed.
 IPC_MESSAGE_ROUTED0(AcceleratedVideoDecoderHostMsg_FlushDone)
 
 // Confirm decoder has been reset.
 IPC_MESSAGE_ROUTED0(AcceleratedVideoDecoderHostMsg_ResetDone)
 
 // Video decoder has encountered an error.
 IPC_MESSAGE_ROUTED1(AcceleratedVideoDecoderHostMsg_ErrorNotification,
                     uint32) /* Error ID */
@@ skipping 44 matching lines @@
                     int32 /* bitstream_buffer_id */,
                     uint32 /* payload_size */,
                     bool /* key_frame */)
 
 // Report error condition.
 IPC_MESSAGE_ROUTED1(AcceleratedVideoEncoderHostMsg_NotifyError,
                     media::VideoEncodeAccelerator::Error /* error */)
 
 // Send destroy request to the encoder.
 IPC_MESSAGE_ROUTED0(AcceleratedVideoEncoderMsg_Destroy)