Allow task pools to reason about transparency.

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 86 matching lines @@
 void Display::SetExternalClip(const gfx::Rect& clip) {
   external_clip_ = clip;
 }
 
 void Display::InitializeRenderer() {
   if (resource_provider_)
     return;
 
   scoped_ptr<ResourceProvider> resource_provider = ResourceProvider::Create(
       output_surface_.get(), bitmap_manager_, gpu_memory_buffer_manager_,
-      nullptr, settings_.highp_threshold_min, settings_.use_rgba_4444_textures,
+      nullptr, settings_.highp_threshold_min,
       settings_.texture_id_allocation_chunk_size,
       std::vector<unsigned>(static_cast<size_t>(gfx::BufferFormat::LAST) + 1,
                             GL_TEXTURE_2D));
   if (!resource_provider)
     return;
 
   if (output_surface_->context_provider()) {
     scoped_ptr<GLRenderer> renderer = GLRenderer::Create(
         this, &settings_, output_surface_.get(), resource_provider.get(),
         texture_mailbox_deleter_.get(), settings_.highp_threshold_min);
@@ skipping 209 matching lines @@
 
   if (surface_id == current_surface_id_)
     UpdateRootSurfaceResourcesLocked();
 }
 
 SurfaceId Display::CurrentSurfaceId() {
   return current_surface_id_;
 }
 
 }  // namespace cc