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

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

 // 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.
 
 #include "platform/graphics/OffscreenCanvasPlaceholder.h"
 
 #include "platform/CrossThreadFunctional.h"
 #include "platform/WebTaskRunner.h"
 #include "platform/graphics/OffscreenCanvasFrameDispatcher.h"
 #include "platform/graphics/StaticBitmapImage.h"
-#include "wtf/HashMap.h"
+#include "platform/wtf/HashMap.h"
 
 namespace {
 
 typedef HashMap<int, blink::OffscreenCanvasPlaceholder*> PlaceholderIdMap;
 
 PlaceholderIdMap& placeholderRegistry() {
   DCHECK(isMainThread());
   DEFINE_STATIC_LOCAL(PlaceholderIdMap, s_placeholderRegistry, ());
   return s_placeholderRegistry;
 }
@@ skipping 59 matching lines @@
     m_placeholderFrame->transfer();
     m_frameDispatcherTaskRunner->postTask(
         BLINK_FROM_HERE,
         crossThreadBind(releaseFrameToDispatcher, std::move(m_frameDispatcher),
                         std::move(m_placeholderFrame),
                         m_placeholderFrameResourceId));
   }
 }
 
 }  // blink