[cc] Unify static create method of ResourceUpdate

cc/resources/bitmap_content_layer_updater.cc

Index: cc/resources/bitmap_content_layer_updater.cc
diff --git a/cc/resources/bitmap_content_layer_updater.cc b/cc/resources/bitmap_content_layer_updater.cc
index fd0fbdaf59790b8217a551602bfc7ee760703cd1..382be0edf51ac01b1ffb9785029ed580811fd4b2 100644
--- a/cc/resources/bitmap_content_layer_updater.cc
+++ b/cc/resources/bitmap_content_layer_updater.cc
@@ -1,4 +1,4 @@
-// Copyright 2011 The Chromium Authors. All rights reserved.
+// Copyright 2014 The Chromium Authors. All rights reserved.

[danakj, 2014/01/08 17:49:59]

We don't update the year in files. We only use the current year in new files.

[enne (OOO), 2014/01/08 17:51:45]

Don't update copyright.

[simonhong, 2014/01/09 04:36:25]

Done.

 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
@@ -91,12 +91,11 @@ void BitmapContentLayerUpdater::UpdateTexture(ResourceUpdateQueue* queue,
                                               gfx::Vector2d dest_offset,
                                               bool partial_update) {
   CHECK(canvas_);
-  ResourceUpdate upload =
-      ResourceUpdate::CreateFromCanvas(texture,

[enne (OOO), 2014/01/08 17:51:45]

Can this function be removed now along with the canvas parameter on
ResourceUpdate?

[simonhong, 2014/01/09 04:36:25]

I already removed ResourceUpdate::CreateFromCanvas() in this CL :).

-                                       canvas_,
-                                       content_rect(),
-                                       source_rect,
-                                       dest_offset);
+  ResourceUpdate upload = ResourceUpdate::Create(texture,
+                                                 &bitmap_backing_,
+                                                 content_rect(),
+                                                 source_rect,
+                                                 dest_offset);
   if (partial_update)
     queue->AppendPartialUpload(upload);
   else