Roll Chrome into Mojo.

cc/surfaces/surface.cc

 // Copyright 2014 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/surfaces/surface.h"
 
 #include <algorithm>
 
 #include "cc/output/compositor_frame.h"
 #include "cc/output/copy_output_request.h"
@@ skipping 16 matching lines @@
 Surface::~Surface() {
   ClearCopyRequests();
   if (current_frame_ && factory_) {
     ReturnedResourceArray current_resources;
     TransferableResource::ReturnResources(
         current_frame_->delegated_frame_data->resource_list,
         &current_resources);
     factory_->UnrefResources(current_resources);
   }
   if (!draw_callback_.is_null())
-    draw_callback_.Run(false);
+    draw_callback_.Run(SurfaceDrawStatus::DRAW_SKIPPED);
 }
 
 void Surface::QueueFrame(scoped_ptr<CompositorFrame> frame,
                          const DrawCallback& callback) {
   DCHECK(factory_);
   ClearCopyRequests();
   TakeLatencyInfo(&frame->metadata.latency_info);
   scoped_ptr<CompositorFrame> previous_frame = current_frame_.Pass();
   current_frame_ = frame.Pass();
   factory_->ReceiveFromChild(
       current_frame_->delegated_frame_data->resource_list);
   ++frame_index_;
 
   if (previous_frame) {
     ReturnedResourceArray previous_resources;
     TransferableResource::ReturnResources(
         previous_frame->delegated_frame_data->resource_list,
         &previous_resources);
     factory_->UnrefResources(previous_resources);
   }
   if (!draw_callback_.is_null())
-    draw_callback_.Run(false);
+    draw_callback_.Run(SurfaceDrawStatus::DRAW_SKIPPED);
   draw_callback_ = callback;
   factory_->manager()->DidSatisfySequences(
       SurfaceIdAllocator::NamespaceForId(surface_id_),
       &current_frame_->metadata.satisfies_sequences);
 }
 
 void Surface::RequestCopyOfOutput(scoped_ptr<CopyOutputRequest> copy_request) {
   if (current_frame_ &&
       !current_frame_->delegated_frame_data->render_pass_list.empty())
     current_frame_->delegated_frame_data->render_pass_list.back()
@@ skipping 29 matching lines @@
   if (latency_info->empty()) {
     current_frame_->metadata.latency_info.swap(*latency_info);
     return;
   }
   std::copy(current_frame_->metadata.latency_info.begin(),
             current_frame_->metadata.latency_info.end(),
             std::back_inserter(*latency_info));
   current_frame_->metadata.latency_info.clear();
 }
 
-void Surface::RunDrawCallbacks() {
+void Surface::RunDrawCallbacks(SurfaceDrawStatus drawn) {
   if (!draw_callback_.is_null()) {
     DrawCallback callback = draw_callback_;
     draw_callback_ = DrawCallback();
-    callback.Run(true);
+    callback.Run(drawn);
   }
 }
 
 void Surface::AddDestructionDependency(SurfaceSequence sequence) {
   destruction_dependencies_.push_back(sequence);
 }
 
 void Surface::SatisfyDestructionDependencies(
     base::hash_set<SurfaceSequence>* sequences) {
   destruction_dependencies_.erase(
       std::remove_if(
           destruction_dependencies_.begin(), destruction_dependencies_.end(),
           [sequences](SurfaceSequence seq) { return !!sequences->erase(seq); }),
       destruction_dependencies_.end());
 }
 
 void Surface::ClearCopyRequests() {
   if (current_frame_) {
     for (const auto& render_pass :
          current_frame_->delegated_frame_data->render_pass_list) {
       for (const auto& copy_request : render_pass->copy_requests)
         copy_request->SendEmptyResult();
     }
   }
 }
 
 }  // namespace cc