WTF/std normalization: replace WTF::Vector::last with ::back

third_party/WebKit/Source/platform/graphics/GraphicsLayer.cpp

 /*
  * Copyright (C) 2009 Apple Inc. All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions
  * are met:
  * 1. Redistributions of source code must retain the above copyright
  *    notice, this list of conditions and the following disclaimer.
  * 2. Redistributions in binary form must reproduce the above copyright
  *    notice, this list of conditions and the following disclaimer in the
@@ skipping 220 matching lines @@
   childLayer->setParent(this);
 
   if (!found)
     m_children.append(childLayer);
 
   updateChildList();
 }
 
 void GraphicsLayer::removeAllChildren() {
   while (!m_children.isEmpty()) {
-    GraphicsLayer* curLayer = m_children.last();
+    GraphicsLayer* curLayer = m_children.back();
     ASSERT(curLayer->parent());
     curLayer->removeFromParent();
   }
 }
 
 void GraphicsLayer::removeFromParent() {
   if (m_parent) {
     // We use reverseFind so that removeAllChildren() isn't n^2.
     m_parent->m_children.remove(m_parent->m_children.reverseFind(this));
     setParent(0);
@@ skipping 1056 matching lines @@
 void showGraphicsLayerTree(const blink::GraphicsLayer* layer) {
   if (!layer) {
     LOG(INFO) << "Cannot showGraphicsLayerTree for (nil).";
     return;
   }
 
   String output = layer->layerTreeAsText(blink::LayerTreeIncludesDebugInfo);
   LOG(INFO) << output.utf8().data();
 }
 #endif