Send hardware video frames with mailboxes.

content/renderer/media/android/stream_texture_factory_android.cc

Index: content/renderer/media/android/stream_texture_factory_android.cc
diff --git a/content/renderer/media/android/stream_texture_factory_android.cc b/content/renderer/media/android/stream_texture_factory_android.cc
index de739786df5f42e08da379c713162e7b0f5e1515..67f33f069134313b6184ad9082769117a22e72d0 100644
--- a/content/renderer/media/android/stream_texture_factory_android.cc
+++ b/content/renderer/media/android/stream_texture_factory_android.cc
@@ -73,18 +73,30 @@ void StreamTextureFactory::EstablishPeer(int stream_id, int player_id) {
       new GpuChannelMsg_EstablishStreamTexture(stream_id, view_id_, player_id));
 }
 
-unsigned StreamTextureFactory::CreateStreamTexture(unsigned* texture_id) {
+unsigned StreamTextureFactory::CreateStreamTexture(
+    unsigned texture_target,
+    unsigned* texture_id,
+    gpu::Mailbox* texture_mailbox,
+    unsigned* texture_mailbox_sync_point) {
   unsigned stream_id = 0;
   if (context_->makeContextCurrent()) {
     *texture_id = context_->createTexture();
     stream_id = context_->createStreamTextureCHROMIUM(*texture_id);
+
+    context_->genMailboxCHROMIUM(texture_mailbox->name);
+    context_->bindTexture(texture_target, *texture_id);
+    context_->produceTextureCHROMIUM(texture_target, texture_mailbox->name);
+
     context_->flush();
+    *texture_mailbox_sync_point = context_->insertSyncPoint();
   }
   return stream_id;
 }
 
 void StreamTextureFactory::DestroyStreamTexture(unsigned texture_id) {
   if (context_->makeContextCurrent()) {
+    // TODO(sievers): Make the destroyStreamTexture implicit when the last
+    // texture referencing it is lost.
     context_->destroyStreamTextureCHROMIUM(texture_id);
     context_->deleteTexture(texture_id);
     context_->flush();