[cc] Unify static create method of ResourceUpdate

cc/resources/bitmap_content_layer_updater.cc

-// 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.
 
 #include "cc/resources/bitmap_content_layer_updater.h"
 
 #include "cc/debug/devtools_instrumentation.h"
 #include "cc/debug/rendering_stats_instrumentation.h"
 #include "cc/resources/layer_painter.h"
 #include "cc/resources/prioritized_resource.h"
 #include "cc/resources/resource_update.h"
@@ skipping 72 matching lines @@
       duration,
       content_rect.width() * content_rect.height());
 }
 
 void BitmapContentLayerUpdater::UpdateTexture(ResourceUpdateQueue* queue,
                                               PrioritizedResource* texture,
                                               gfx::Rect source_rect,
                                               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
     queue->AppendFullUpload(upload);
 }
 
 void BitmapContentLayerUpdater::ReduceMemoryUsage() {
   canvas_.clear();
   canvas_size_ = gfx::Size();
 }
 
 void BitmapContentLayerUpdater::SetOpaque(bool opaque) {
   if (opaque != layer_is_opaque_) {
     canvas_.clear();
     canvas_size_ = gfx::Size();
   }
 
   ContentLayerUpdater::SetOpaque(opaque);
 }
 
 }  // namespace cc