gpu: Optimize in-process idle task scheduling

gpu/command_buffer/service/in_process_command_buffer.cc

 // Copyright 2013 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 "gpu/command_buffer/service/in_process_command_buffer.h"
 
 #include <queue>
 #include <set>
 #include <utility>
 
@@ skipping 83 matching lines @@
 
 GpuInProcessThread::~GpuInProcessThread() {
   Stop();
 }
 
 void GpuInProcessThread::ScheduleTask(const base::Closure& task) {
   message_loop()->PostTask(FROM_HERE, task);
 }
 
 void GpuInProcessThread::ScheduleIdleWork(const base::Closure& callback) {
+  // Match delay with GpuCommandBufferStub.
   message_loop()->PostDelayedTask(
-      FROM_HERE, callback, base::TimeDelta::FromMilliseconds(5));
+      FROM_HERE, callback, base::TimeDelta::FromMilliseconds(2));
 }
 
 scoped_refptr<gles2::ShaderTranslatorCache>
 GpuInProcessThread::shader_translator_cache() {
   if (!shader_translator_cache_.get())
     shader_translator_cache_ = new gpu::gles2::ShaderTranslatorCache;
   return shader_translator_cache_;
 }
 
 struct GpuInProcessThreadHolder {
@@ skipping 833 matching lines @@
 
 #if defined(OS_ANDROID)
 scoped_refptr<gfx::SurfaceTexture>
 InProcessCommandBuffer::GetSurfaceTexture(uint32 stream_id) {
   DCHECK(stream_texture_manager_);
   return stream_texture_manager_->GetSurfaceTexture(stream_id);
 }
 #endif
 
 }  // namespace gpu