Start of hardware overlay support in CC with Ubercompositor.

cc/surfaces/surface_aggregator.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_aggregator.h"
 
 #include "base/containers/hash_tables.h"
 #include "base/logging.h"
 #include "cc/output/compositor_frame.h"
 #include "cc/output/delegated_frame_data.h"
@@ skipping 79 matching lines @@
     const RenderPass& source = *referenced_passes[j];
 
     scoped_ptr<RenderPass> copy_pass(RenderPass::Create());
 
     RenderPass::Id remapped_pass_id = RemapPassId(source.id, surface_id);
 
     copy_pass->SetAll(remapped_pass_id,
                       source.output_rect,
                       source.damage_rect,
                       source.transform_to_root_target,
-                      source.has_transparent_background);
+                      source.has_transparent_background,
+                      source.overlay_state);
 
     // Contributing passes aggregated in to the pass list need to take the
     // transform of the surface quad into account to update their transform to
     // the root surface.
     // TODO(jamesr): Make sure this is sufficient for surfaces nested several
     // levels deep and add tests.
     copy_pass->transform_to_root_target.ConcatTransform(
         surface_quad->quadTransform());
 
     CopyQuadsToPass(source.quad_list,
@@ skipping 85 matching lines @@
     const RenderPass& source = *source_pass_list[i];
 
     scoped_ptr<RenderPass> copy_pass(RenderPass::Create());
 
     RenderPass::Id remapped_pass_id = RemapPassId(source.id, surface_id);
 
     copy_pass->SetAll(remapped_pass_id,
                       source.output_rect,
                       source.damage_rect,
                       source.transform_to_root_target,
-                      source.has_transparent_background);
+                      source.has_transparent_background,
+                      source.overlay_state);
 
     CopyQuadsToPass(source.quad_list,
                     source.shared_quad_state_list,
                     gfx::Transform(),
                     copy_pass.get(),
                     surface_id);
 
     dest_pass_list_->push_back(copy_pass.Pass());
   }
 }
@@ skipping 24 matching lines @@
 
   dest_pass_list_ = NULL;
 
   // TODO(jamesr): Aggregate all resource references into the returned frame's
   // resource list.
 
   return frame.Pass();
 }
 
 }  // namespace cc