[cc] Unify static create method of ResourceUpdate

cc/resources/resource_update.h

-// Copyright 2012 The Chromium Authors. All rights reserved.
+// 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.
 
 #ifndef CC_RESOURCES_RESOURCE_UPDATE_H_
 #define CC_RESOURCES_RESOURCE_UPDATE_H_
 
 #include "base/memory/ref_counted.h"
 #include "cc/base/cc_export.h"
 #include "skia/ext/refptr.h"
 #include "ui/gfx/rect.h"
 #include "ui/gfx/vector2d.h"
 
 class SkBitmap;
 class SkCanvas;
 
 namespace cc {
 
 class PrioritizedResource;
 
 struct CC_EXPORT ResourceUpdate {
-  static ResourceUpdate Create(PrioritizedResource* resource,
+  static ResourceUpdate Create(PrioritizedResource* texture,

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

They should both be named resource rather than both be named texture, really.

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

Nope.  resource != texture.  We call this a texture elsewhere, but it should be
a resource.

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

Done.

                                const SkBitmap* bitmap,
                                gfx::Rect content_rect,
                                gfx::Rect source_rect,
                                gfx::Vector2d dest_offset);
-  static ResourceUpdate CreateFromCanvas(PrioritizedResource* resource,
-                                         const skia::RefPtr<SkCanvas>& canvas,
-                                         gfx::Rect content_rect,
-                                         gfx::Rect source_rect,
-                                         gfx::Vector2d dest_offset);
 
   ResourceUpdate();
   virtual ~ResourceUpdate();
 
   PrioritizedResource* texture;
   const SkBitmap* bitmap;
-  skia::RefPtr<SkCanvas> canvas;
   gfx::Rect content_rect;
   gfx::Rect source_rect;
   gfx::Vector2d dest_offset;
 };
 
 }  // namespace cc
 
 #endif  // CC_RESOURCES_RESOURCE_UPDATE_H_