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

third_party/WebKit/Source/platform/graphics/Canvas2DLayerBridge.cpp

 /*
  * Copyright (C) 2012 Google 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
@@ skipping 278 matching lines @@
   // Because we are changing the texture binding without going through skia,
   // we must dirty the context.
   grContext->resetContext(kTextureBinding_GrGLBackendState);
 
   return true;
 }
 
 RefPtr<Canvas2DLayerBridge::ImageInfo>
 Canvas2DLayerBridge::createIOSurfaceBackedTexture() {
   if (!m_imageInfoCache.isEmpty()) {
-    RefPtr<Canvas2DLayerBridge::ImageInfo> info = m_imageInfoCache.last();
+    RefPtr<Canvas2DLayerBridge::ImageInfo> info = m_imageInfoCache.back();
     m_imageInfoCache.pop_back();
     return info;
   }
 
   gpu::gles2::GLES2Interface* gl = contextGL();
   if (!gl)
     return nullptr;
 
   gpu::GpuMemoryBufferManager* gpuMemoryBufferManager =
       Platform::current()->getGpuMemoryBufferManager();
@@ skipping 827 matching lines @@
     default;
 
 void Canvas2DLayerBridge::Logger::reportHibernationEvent(
     HibernationEvent event) {
   DEFINE_STATIC_LOCAL(EnumerationHistogram, hibernationHistogram,
                       ("Canvas.HibernationEvents", HibernationEventCount));
   hibernationHistogram.count(event);
 }
 
 }  // namespace blink