cc: Merge TileTaskRunner to TileTaskWorkerPool.

cc/raster/tile_task.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/raster/tile_task_runner.h"
-#include "cc/resources/platform_color.h"
+#include "cc/raster/tile_task.h"
 
 namespace cc {
 
 TileTask::TileTask(bool supports_concurrent_execution)
     : supports_concurrent_execution_(supports_concurrent_execution),
       did_schedule_(false),
       did_complete_(false) {}
 
 TileTask::TileTask(bool supports_concurrent_execution,
                    TileTask::Vector* dependencies)
     : supports_concurrent_execution_(supports_concurrent_execution),
       dependencies_(std::move(*dependencies)),

[ericrk, 2016/04/20 00:22:29]

should we std::swap(dependencies_, dependencies) to avoid returning an object in
an unspecified state?

[prashant.n, 2016/04/20 02:04:48]

I guess as we are passing vector object created on stack in function, it shd be
okay. std::move would be faster.

       did_schedule_(false),
       did_complete_(false) {}
 
 TileTask::~TileTask() {
   DCHECK(!did_schedule_);
   DCHECK(!did_run_ || did_complete_);
 }
 
 void TileTask::WillSchedule() {
   DCHECK(!did_schedule_);
@@ skipping 16 matching lines @@
   DCHECK(did_schedule_);
   DCHECK(!did_complete_);
   did_schedule_ = false;
   did_complete_ = true;
 }
 
 bool TileTask::HasCompleted() const {
   return did_complete_;
 }
 
-bool TileTaskRunner::ResourceFormatRequiresSwizzle(ResourceFormat format) {
-  switch (format) {
-    case RGBA_8888:
-    case BGRA_8888:
-      // Initialize resource using the preferred PlatformColor component
-      // order and swizzle in the shader instead of in software.
-      return !PlatformColor::SameComponentOrder(format);
-    case RGBA_4444:
-    case ETC1:
-    case ALPHA_8:
-    case LUMINANCE_8:
-    case RGB_565:
-    case RED_8:
-    case LUMINANCE_F16:
-      return false;
-  }
-  NOTREACHED();
-  return false;
-}
-
 }  // namespace cc