Remove parts of //cc we aren't using

cc/resources/resource_update.cc

-// Copyright 2012 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/resource_update.h"
-
-#include "base/logging.h"
-
-namespace cc {
-
-ResourceUpdate ResourceUpdate::Create(PrioritizedResource* resource,
-                                      const SkBitmap* bitmap,
-                                      const gfx::Rect& content_rect,
-                                      const gfx::Rect& source_rect,
-                                      const gfx::Vector2d& dest_offset) {
-  CHECK(content_rect.Contains(source_rect));
-  ResourceUpdate update;
-  update.texture = resource;
-  update.bitmap = bitmap;
-  update.content_rect = content_rect;
-  update.source_rect = source_rect;
-  update.dest_offset = dest_offset;
-  return update;
-}
-
-ResourceUpdate::ResourceUpdate()
-    : texture(NULL),
-      bitmap(NULL) {}
-
-ResourceUpdate::~ResourceUpdate() {}
-
-}  // namespace cc