Move rendering/RenderObject to layout/LayoutObject.

Source/core/rendering/RenderPartTest.cpp

 // 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.
 
 #include "config.h"
 #include "core/rendering/RenderPart.h"
 
 #include "core/html/HTMLElement.h"
 #include "core/rendering/ImageQualityController.h"
 #include "core/rendering/RenderingTestHelper.h"
 #include <gtest/gtest.h>
 
 namespace blink {
 
 class RenderPartTest : public RenderingTest {
 };
 
 TEST_F(RenderPartTest, DestroyUpdatesImageQualityController)
 {
     RefPtrWillBeRawPtr<Element> element = HTMLElement::create(HTMLNames::divTag, document());
-    RenderObject* part = new RenderPart(element.get());
+    LayoutObject* part = new RenderPart(element.get());
     // The third and forth arguments are not important in this test.
     ImageQualityController::imageQualityController()->set(part, 0, this, LayoutSize(1, 1));
     EXPECT_TRUE(ImageQualityController::has(part));
     part->destroy();
     EXPECT_FALSE(ImageQualityController::has(part));
 }
 
 }