cc: Adding support for RGBA_4444 tile textures

cc/resources/pixel_buffer_raster_worker_pool.cc

Index: cc/resources/pixel_buffer_raster_worker_pool.cc
diff --git a/cc/resources/pixel_buffer_raster_worker_pool.cc b/cc/resources/pixel_buffer_raster_worker_pool.cc
index 5685b609a1920cbc3bcf4c5bb5486fea41a01539..b5331513e8e04b31616846921ca960f880fe288b 100644
--- a/cc/resources/pixel_buffer_raster_worker_pool.cc
+++ b/cc/resources/pixel_buffer_raster_worker_pool.cc
@@ -41,13 +41,9 @@ class PixelBufferWorkerPoolTaskImpl : public internal::WorkerPoolTask {
       needs_upload_ = true;
       return;
     }
-    SkBitmap bitmap;
-    bitmap.setConfig(SkBitmap::kARGB_8888_Config,
-                     task_->resource()->size().width(),
-                     task_->resource()->size().height());
-    bitmap.setPixels(buffer_);
-    SkBitmapDevice 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.