Send hardware video frames with mailboxes.

content/browser/renderer_host/surface_texture_transport_client_android.cc

Index: content/browser/renderer_host/surface_texture_transport_client_android.cc
diff --git a/content/browser/renderer_host/surface_texture_transport_client_android.cc b/content/browser/renderer_host/surface_texture_transport_client_android.cc
index d6d57353281f7979c49c51e1fe7b51b1986b3ef0..4f75d9420e8a70cf1f8c4c2312b9d4eeeca47cae 100644
--- a/content/browser/renderer_host/surface_texture_transport_client_android.cc
+++ b/content/browser/renderer_host/surface_texture_transport_client_android.cc
@@ -46,6 +46,7 @@ class SurfaceRefAndroid : public GpuSurfaceTracker::SurfaceRef {
 SurfaceTextureTransportClient::SurfaceTextureTransportClient()
     : window_(NULL),
       texture_id_(0),
+      texture_mailbox_sync_point_(0),
       surface_id_(0) {
 }
 
@@ -96,16 +97,25 @@ scoped_refptr<media::VideoFrame> SurfaceTextureTransportClient::
     context->makeContextCurrent();
     texture_id_ = context->createTexture();
     surface_texture_->AttachToGLContext(texture_id_);
+
+    context->genMailboxCHROMIUM(texture_mailbox_.name);
+    context->bindTexture(kGLTextureExternalOES, texture_id_);
+    context->produceTextureCHROMIUM(kGLTextureExternalOES,
+                                    texture_mailbox_.name);
+    texture_mailbox_sync_point_ = context->insertSyncPoint();
   }
   if (!video_frame_) {
     const gfx::Size size = video_layer_->bounds();
     video_frame_ = media::VideoFrame::WrapNativeTexture(
-        texture_id_, kGLTextureExternalOES,
+        texture_mailbox_,
+        texture_mailbox_sync_point_,
+        kGLTextureExternalOES,
         size,
         gfx::Rect(gfx::Point(), size),
         size,
         base::TimeDelta(),
         media::VideoFrame::ReadPixelsCB(),
+        media::VideoFrame::TextureNoLongerNeededCallback(),
         base::Closure());
   }
   surface_texture_->UpdateTexImage();