Not for review.

cc/trees/layer_tree_host_impl.cc

 // Copyright 2011 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/trees/layer_tree_host_impl.h"
 
 #include <algorithm>
 #include <limits>
 
 #include "base/basictypes.h"
@@ skipping 1392 matching lines @@
 
     renderer_->DrawFrame(&frame->render_passes,
                          offscreen_context_provider_.get(),
                          device_scale_factor_,
                          DeviceViewport(),
                          DeviceClip(),
                          allow_partial_swap,
                          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
   // are noted as they occur.
   // TODO(boliu): If we did a temporary software renderer frame, propogate the
   // damage forward to the next frame.
   for (size_t i = 0; i < frame->render_surface_layer_list->size(); i++) {
     (*frame->render_surface_layer_list)[i]->render_surface()->damage_tracker()->
         DidDrawDamagedArea();
   }
@@ skipping 26 matching lines @@
 const RendererCapabilities& LayerTreeHostImpl::GetRendererCapabilities() const {
   return renderer_->Capabilities();
 }
 
 bool LayerTreeHostImpl::SwapBuffers(const LayerTreeHostImpl::FrameData& frame) {
   if (frame.has_no_damage) {
     active_tree()->BreakSwapPromises(SwapPromise::SWAP_FAILS);
     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;
 }
 
 void LayerTreeHostImpl::SetNeedsBeginImplFrame(bool enable) {
   if (output_surface_)
     output_surface_->SetNeedsBeginImplFrame(enable);
 }
 
@@ skipping 1444 matching lines @@
   swap_promise_monitor_.erase(monitor);
 }
 
 void LayerTreeHostImpl::NotifySwapPromiseMonitorsOfSetNeedsRedraw() {
   std::set<SwapPromiseMonitor*>::iterator it = swap_promise_monitor_.begin();
   for (; it != swap_promise_monitor_.end(); it++)
     (*it)->OnSetNeedsRedrawOnImpl();
 }
 
 }  // namespace cc