Plumb overlay processing into DirectRenderer.

cc/quads/render_pass.cc

Index: cc/quads/render_pass.cc
diff --git a/cc/quads/render_pass.cc b/cc/quads/render_pass.cc
index 1eeefe4313d35c0d4c3919f6672b43a669955a6d..82deccd6dc0a3b26ee7afc30c868b9c20f20d344 100644
--- a/cc/quads/render_pass.cc
+++ b/cc/quads/render_pass.cc
@@ -33,18 +33,13 @@ scoped_ptr<RenderPass> RenderPass::Create(size_t num_layers) {
   return make_scoped_ptr(new RenderPass(num_layers));
 }
 
-RenderPass::RenderPass()
-    : id(Id(-1, -1)),
-      has_transparent_background(true),
-      overlay_state(NO_OVERLAY) {
+RenderPass::RenderPass() : id(Id(-1, -1)), has_transparent_background(true) {
   shared_quad_state_list.reserve(kDefaultNumSharedQuadStatesToReserve);
   quad_list.reserve(kDefaultNumQuadsToReserve);
 }
 
 RenderPass::RenderPass(size_t num_layers)
-    : id(Id(-1, -1)),
-      has_transparent_background(true),
-      overlay_state(NO_OVERLAY) {
+    : id(Id(-1, -1)), has_transparent_background(true) {
   // Each layer usually produces one shared quad state, so the number of layers
   // is a good hint for what to reserve here.
   shared_quad_state_list.reserve(num_layers);
@@ -63,8 +58,7 @@ scoped_ptr<RenderPass> RenderPass::Copy(Id new_id) const {
                     output_rect,
                     damage_rect,
                     transform_to_root_target,
-                    has_transparent_background,
-                    overlay_state);
+                    has_transparent_background);
   return copy_pass.Pass();
 }
 
@@ -83,8 +77,7 @@ void RenderPass::CopyAll(const ScopedPtrVector<RenderPass>& in,
                       source->output_rect,
                       source->damage_rect,
                       source->transform_to_root_target,
-                      source->has_transparent_background,
-                      source->overlay_state);
+                      source->has_transparent_background);
     for (size_t i = 0; i < source->shared_quad_state_list.size(); ++i) {
       copy_pass->shared_quad_state_list.push_back(
           source->shared_quad_state_list[i]->Copy());
@@ -135,8 +128,7 @@ void RenderPass::SetAll(Id id,
                         const gfx::Rect& output_rect,
                         const gfx::RectF& damage_rect,
                         const gfx::Transform& transform_to_root_target,
-                        bool has_transparent_background,
-                        OverlayState overlay_state) {
+                        bool has_transparent_background) {
   DCHECK_GT(id.layer_id, 0);
   DCHECK_GE(id.index, 0);
 
@@ -145,7 +137,6 @@ void RenderPass::SetAll(Id id,
   this->damage_rect = damage_rect;
   this->transform_to_root_target = transform_to_root_target;
   this->has_transparent_background = has_transparent_background;
-  this->overlay_state = overlay_state;
 
   DCHECK(quad_list.empty());
   DCHECK(shared_quad_state_list.empty());