Add hints for potential overlay promotion on android.

cc/resources/video_resource_updater.cc

 // Copyright 2013 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.
 
 #include "cc/resources/video_resource_updater.h"
 
 #include <stddef.h>
 #include <stdint.h>
 
 #include <algorithm>
@@ skipping 750 matching lines @@
             media::VideoFrameMetadata::COPY_REQUIRED)) {
       CopyPlaneTexture(video_frame.get(), mailbox_holder, &external_resources);
     } else {
       TextureMailbox mailbox(mailbox_holder.mailbox, mailbox_holder.sync_token,
                              mailbox_holder.texture_target,
                              video_frame->coded_size(),
                              video_frame->metadata()->IsTrue(
                                  media::VideoFrameMetadata::ALLOW_OVERLAY),
                              false);
       mailbox.set_color_space(video_frame->ColorSpace());
+#if defined(OS_ANDROID)
+      mailbox.set_is_backed_by_surface_texture(video_frame->metadata()->IsTrue(
+          media::VideoFrameMetadata::SURFACE_TEXTURE));
+#endif
       external_resources.mailboxes.push_back(mailbox);
       external_resources.release_callbacks.push_back(
           base::Bind(&ReturnTexture, AsWeakPtr(), video_frame));
     }
   }
   return external_resources;
 }
 
 // static
 void VideoResourceUpdater::RecycleResource(
@@ skipping 23 matching lines @@
   if (lost_resource) {
     resource_it->clear_refs();
     updater->DeleteResource(resource_it);
     return;
   }
 
   resource_it->remove_ref();
 }
 
 }  // namespace cc