Remove parts of //cc we aren't using

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/message_loop/message_loop.h"
 #include "base/trace_event/trace_event.h"
-#include "cc/debug/benchmark_instrumentation.h"
 #include "cc/output/compositor_frame.h"
 #include "cc/output/compositor_frame_ack.h"
 #include "cc/output/direct_renderer.h"
 #include "cc/output/gl_renderer.h"
 #include "cc/output/renderer_settings.h"
 #include "cc/output/software_renderer.h"
 #include "cc/resources/texture_mailbox_deleter.h"
 #include "cc/surfaces/display_client.h"
 #include "cc/surfaces/surface.h"
 #include "cc/surfaces/surface_aggregator.h"
 #include "cc/surfaces/surface_manager.h"
-#include "cc/trees/blocking_task_runner.h"
 
 namespace cc {
 
 Display::Display(DisplayClient* client,
                  SurfaceManager* manager,
                  SharedBitmapManager* bitmap_manager,
                  gpu::GpuMemoryBufferManager* gpu_memory_buffer_manager,
                  const RendererSettings& settings)
     : client_(client),
       manager_(manager),
       bitmap_manager_(bitmap_manager),
       gpu_memory_buffer_manager_(gpu_memory_buffer_manager),
       settings_(settings),
       device_scale_factor_(1.f),
-      blocking_main_thread_task_runner_(
-          BlockingTaskRunner::Create(base::MessageLoopProxy::current())),
       texture_mailbox_deleter_(
           new TextureMailboxDeleter(base::MessageLoopProxy::current())) {
   manager_->AddObserver(this);
 }
 
 Display::~Display() {
   manager_->RemoveObserver(this);
   if (aggregator_) {
     for (const auto& id_entry : aggregator_->previous_contained_surfaces()) {
       Surface* surface = manager_->GetSurfaceForId(id_entry.first);
@@ skipping 24 matching lines @@
   current_surface_size_ = size;
   client_->DisplayDamaged();
 }
 
 void Display::InitializeRenderer() {
   if (resource_provider_)
     return;
 
   scoped_ptr<ResourceProvider> resource_provider = ResourceProvider::Create(
       output_surface_.get(), bitmap_manager_, gpu_memory_buffer_manager_,
-      blocking_main_thread_task_runner_.get(), settings_.highp_threshold_min,
-      settings_.use_rgba_4444_textures,
+      nullptr, settings_.highp_threshold_min, settings_.use_rgba_4444_textures,
       settings_.texture_id_allocation_chunk_size);
   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);
     if (!renderer)
       return;
@@ skipping 23 matching lines @@
     return false;
 
   // TODO(skyostil): We should hold a BlockingTaskRunner::CapturePostTasks
   // while Aggregate is called to immediately run release callbacks afterward.
   scoped_ptr<CompositorFrame> frame =
       aggregator_->Aggregate(current_surface_id_);
   if (!frame)
     return false;
 
   TRACE_EVENT0("cc", "Display::Draw");
-  benchmark_instrumentation::IssueDisplayRenderingStatsEvent();
 
   // Run callbacks early to allow pipelining.
   for (const auto& id_entry : aggregator_->previous_contained_surfaces()) {
     Surface* surface = manager_->GetSurfaceForId(id_entry.first);
     if (surface)
       surface->RunDrawCallbacks(SurfaceDrawStatus::DRAWN);
   }
   DelegatedFrameData* frame_data = frame->delegated_frame_data.get();
 
   frame->metadata.latency_info.insert(frame->metadata.latency_info.end(),
@@ skipping 47 matching lines @@
 
 void Display::DidSwapBuffersComplete() {
   client_->DidSwapBuffersComplete();
 }
 
 void Display::CommitVSyncParameters(base::TimeTicks timebase,
                                     base::TimeDelta interval) {
   client_->CommitVSyncParameters(timebase, interval);
 }
 
-void Display::SetMemoryPolicy(const ManagedMemoryPolicy& policy) {
-  client_->SetMemoryPolicy(policy);
-}
-
 void Display::OnSurfaceDamaged(SurfaceId surface_id, bool* changed) {
   if (aggregator_ &&
       aggregator_->previous_contained_surfaces().count(surface_id)) {
     Surface* surface = manager_->GetSurfaceForId(surface_id);
     if (surface) {
       const CompositorFrame* current_frame = surface->GetEligibleFrame();
       if (!current_frame || !current_frame->delegated_frame_data ||
           !current_frame->delegated_frame_data->resource_list.size())
         aggregator_->ReleaseResources(surface_id);
     }
@@ skipping 11 matching lines @@
 
 int Display::GetMaxFramesPending() {
   int max_frames_pending =
       output_surface_ ? output_surface_->capabilities().max_frames_pending : 0;
   if (max_frames_pending <= 0)
     max_frames_pending = OutputSurface::DEFAULT_MAX_FRAMES_PENDING;
   return max_frames_pending;
 }
 
 }  // namespace cc