Rewrite references to "wtf/" to "platform/wtf/" in platform/graphics.

third_party/WebKit/Source/platform/graphics/WebGraphicsContext3DProviderWrapper.h

 // Copyright 2016 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.
 
 #ifndef WebGraphicsContext3DProviderWrapper_h
 #define WebGraphicsContext3DProviderWrapper_h
 
+#include "platform/wtf/WeakPtr.h"
 #include "public/platform/WebGraphicsContext3DProvider.h"
-#include "wtf/WeakPtr.h"
 
 namespace blink {
 
 class PLATFORM_EXPORT WebGraphicsContext3DProviderWrapper {
  public:
   WebGraphicsContext3DProviderWrapper(
       std::unique_ptr<WebGraphicsContext3DProvider> provider)
       : m_contextProvider(std::move(provider)), m_weakPtrFactory(this) {}
   WeakPtr<WebGraphicsContext3DProviderWrapper> createWeakPtr() {
     return m_weakPtrFactory.createWeakPtr();
   }
   WebGraphicsContext3DProvider* contextProvider() {
     return m_contextProvider.get();
   }
 
  private:
   std::unique_ptr<WebGraphicsContext3DProvider> m_contextProvider;
   WeakPtrFactory<WebGraphicsContext3DProviderWrapper> m_weakPtrFactory;
 };
 
 }  // namespace blink
 
 #endif  // WebGraphicsContext3DProviderWrapper_h