cc: Adding support for RGBA_4444 tile textures

cc/resources/pixel_buffer_raster_worker_pool.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 "cc/resources/pixel_buffer_raster_worker_pool.h"
 
 #include "base/containers/stack_container.h"
 #include "base/debug/trace_event.h"
 #include "base/values.h"
 #include "cc/debug/traced_value.h"
@@ skipping 19 matching lines @@
 
   // Overridden from internal::WorkerPoolTask:
   virtual void RunOnWorkerThread(unsigned thread_index) OVERRIDE {
     // |buffer_| can be NULL in lost context situations.
     if (!buffer_) {
       // |needs_upload_| still needs to be true as task has not
       // been canceled.
       needs_upload_ = true;
       return;
     }
-    SkBitmap bitmap;
-    bitmap.setConfig(SkBitmap::kARGB_8888_Config,
-                     task_->resource()->size().width(),
-                     task_->resource()->size().height());
-    bitmap.setPixels(buffer_);
-    SkDevice device(bitmap);
-    needs_upload_ = task_->RunOnWorkerThread(&device, thread_index);
+    needs_upload_ = task_->RunOnWorkerThread(thread_index, buffer_,
+                                             task_->resource()->size());
   }
   virtual void CompleteOnOriginThread() OVERRIDE {
     // |needs_upload_| must be be false if task didn't run.
     DCHECK(HasFinishedRunning() || !needs_upload_);
     reply_.Run(!HasFinishedRunning(), needs_upload_);
   }
 
  private:
   virtual ~PixelBufferWorkerPoolTaskImpl() {}
 
@@ skipping 617 matching lines @@
 
   throttle_state->SetInteger("bytes_available_for_upload",
                              kMaxPendingUploadBytes - bytes_pending_upload_);
   throttle_state->SetInteger("bytes_pending_upload", bytes_pending_upload_);
   throttle_state->SetInteger("scheduled_raster_task_count",
                              scheduled_raster_task_count_);
   return throttle_state.PassAs<base::Value>();
 }
 
 }  // namespace cc