cc: Remove ScopedPtrVector and cc::remove_if.

cc/output/overlay_processor.cc

Index: cc/output/overlay_processor.cc
diff --git a/cc/output/overlay_processor.cc b/cc/output/overlay_processor.cc
index 2eea63b3d602603c808c4c81513a22984964b034..43a064fb6e8fd5bb9c2ed11e6fa08e6caaa5de1c 100644
--- a/cc/output/overlay_processor.cc
+++ b/cc/output/overlay_processor.cc
@@ -31,7 +31,7 @@ bool OverlayProcessor::ProcessForCALayers(
     RenderPassList* render_passes,
     CALayerOverlayList* ca_layer_overlays,
     OverlayCandidateList* overlay_candidates) {
-  RenderPass* root_render_pass = render_passes->back();
+  RenderPass* root_render_pass = render_passes->back().get();
 
   OverlayCandidateValidator* overlay_validator =
       surface_->GetOverlayCandidateValidator();
@@ -55,7 +55,7 @@ void OverlayProcessor::ProcessForOverlays(ResourceProvider* resource_provider,
                                           RenderPassList* render_passes,
                                           OverlayCandidateList* candidates,
                                           gfx::Rect* damage_rect) {
-  for (auto strategy : strategies_) {
+  for (const auto& strategy : strategies_) {
     if (strategy->Attempt(resource_provider, render_passes, candidates,
                           damage_rect)) {
       return;