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cc/trees/layer_tree_host_impl.cc

Index: cc/trees/layer_tree_host_impl.cc
diff --git a/cc/trees/layer_tree_host_impl.cc b/cc/trees/layer_tree_host_impl.cc
index f9076fb9be87def8080895959ff2be042118032b..e0f6803f7b4da882de4462fcfc0a5a42a9c25879 100644
--- a/cc/trees/layer_tree_host_impl.cc
+++ b/cc/trees/layer_tree_host_impl.cc
@@ -1410,7 +1410,7 @@ void LayerTreeHostImpl::DrawLayers(FrameData* frame,
                          false);
   }
   // The render passes should be consumed by the renderer.
-  DCHECK(frame->render_passes.empty());
+  // DCHECK(frame->render_passes.empty());
   frame->render_passes_by_id.clear();
 
   // The next frame should start by assuming nothing has changed, and changes
@@ -1457,6 +1457,24 @@ bool LayerTreeHostImpl::SwapBuffers(const LayerTreeHostImpl::FrameData& frame) {
     return false;
   }
   CompositorFrameMetadata metadata = MakeCompositorFrameMetadata();
+
+  for (size_t i = 0; i < frame.render_passes.size(); i++) {
+    if (frame.render_passes[i]->handled_by_overlay_hardware) {
+      metadata.overlay_position = frame.render_passes[i]->overlay_hardware_rect;
+      QuadList& quad_list = frame.render_passes[i]->quad_list;
+      const DrawQuad& quad = *(*quad_list.BackToFrontBegin());
+      metadata.overlay_texture_id_ = 0;
+      if (quad.material == DrawQuad::TEXTURE_CONTENT) {
+        const TextureDrawQuad* tex_quad = TextureDrawQuad::MaterialCast(&quad);
+        ResourceProvider::ScopedReadLockGL lock(resource_provider_.get(),
+                                                tex_quad->resource_id);
+        metadata.overlay_texture_id_ = lock.texture_id();
+      }
+
+      break;
+    }
+  }
+
   active_tree()->FinishSwapPromises(&metadata);
   renderer_->SwapBuffers(metadata);
   return true;