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

third_party/WebKit/Source/modules/encryptedmedia/MediaKeysClient.h

 // Copyright 2014 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 MediaKeysClient_h
 #define MediaKeysClient_h
 
-#include "wtf/Allocator.h"
+#include "platform/wtf/Allocator.h"
 
 namespace blink {
 
 class ExecutionContext;
 class WebEncryptedMediaClient;
 
 class MediaKeysClient {
   USING_FAST_MALLOC(MediaKeysClient);
 
  public:
   virtual WebEncryptedMediaClient* EncryptedMediaClient(ExecutionContext*) = 0;
 
  protected:
   virtual ~MediaKeysClient() {}
 };
 
 }  // namespace blink
 
 #endif  // MediaKeysClient_h