Don't aggregate quads outside of damage rect when using partial swap.

cc/surfaces/display.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/display.h"
 
 #include "base/thread_task_runner_handle.h"
 #include "base/trace_event/trace_event.h"
 #include "cc/debug/benchmark_instrumentation.h"
 #include "cc/output/compositor_frame.h"
@@ skipping 104 matching lines @@
     renderer_ = renderer.Pass();
   } else {
     scoped_ptr<SoftwareRenderer> renderer = SoftwareRenderer::Create(
         this, &settings_, output_surface_.get(), resource_provider.get());
     if (!renderer)
       return;
     renderer_ = renderer.Pass();
   }
 
   resource_provider_ = resource_provider.Pass();
-  aggregator_.reset(new SurfaceAggregator(manager_, resource_provider_.get()));
+  // TODO(jbauman): Outputting an incomplete quad list doesn't work when using
+  // overlays.
+  bool output_partial_list = renderer_->Capabilities().using_partial_swap &&
+                             !output_surface_->GetOverlayCandidateValidator();
+  aggregator_.reset(new SurfaceAggregator(manager_, resource_provider_.get(),
+                                          output_partial_list));
 }
 
 void Display::DidLoseOutputSurface() {
   client_->OutputSurfaceLost();
   if (scheduler_)
     scheduler_->OutputSurfaceLost();
 }
 
 void Display::UpdateRootSurfaceResourcesLocked() {
   Surface* surface = manager_->GetSurfaceForId(current_surface_id_);
@@ skipping 145 matching lines @@
 
   if (surface_id == current_surface_id_)
     UpdateRootSurfaceResourcesLocked();
 }
 
 SurfaceId Display::CurrentSurfaceId() {
   return current_surface_id_;
 }
 
 }  // namespace cc