cc: Remove the WTF::Vector dependency from CCRenderPass.

cc/CCDirectRenderer.cpp

 // 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 "config.h"
 
 #include "CCDirectRenderer.h"
 
 #include "CCMathUtil.h"
 #include <public/WebTransformationMatrix.h>
@@ skipping 134 matching lines @@
     for (size_t i = 0; i < renderPassesInDrawOrder.size(); ++i) {
         if (!m_renderPassTextures.contains(renderPassesInDrawOrder[i]->id())) {
           scoped_ptr<CachedTexture> texture = CachedTexture::create(m_resourceProvider);
             m_renderPassTextures.set(renderPassesInDrawOrder[i]->id(), texture.Pass());
         }
     }
 }
 
 void CCDirectRenderer::drawFrame(const CCRenderPassList& renderPassesInDrawOrder, const CCRenderPassIdHashMap& renderPassesById)
 {
-    const CCRenderPass* rootRenderPass = renderPassesInDrawOrder.last();
+    const CCRenderPass* rootRenderPass = renderPassesInDrawOrder.back();
     ASSERT(rootRenderPass);
 
     DrawingFrame frame;
     frame.renderPassesById = &renderPassesById;
     frame.rootRenderPass = rootRenderPass;
     frame.rootDamageRect = capabilities().usingPartialSwap ? rootRenderPass->damageRect() : rootRenderPass->outputRect();
     frame.rootDamageRect.intersect(IntRect(IntPoint::zero(), viewportSize()));
 
     beginDrawingFrame(frame);
     for (size_t i = 0; i < renderPassesInDrawOrder.size(); ++i)
@@ skipping 62 matching lines @@
     return pass->outputRect().size();
 }
 
 // static
 GC3Denum CCDirectRenderer::renderPassTextureFormat(const CCRenderPass*)
 {
     return GraphicsContext3D::RGBA;
 }
 
 }