Use a direct include of the shared_memory header in base/, chrome/, components/.

chrome/renderer/media/chrome_webrtc_log_message_delegate.h

 // Copyright 2013 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 CHROME_RENDERER_MEDIA_CHROME_WEBRTC_LOG_MESSAGE_DELEGATE_H_
 #define CHROME_RENDERER_MEDIA_CHROME_WEBRTC_LOG_MESSAGE_DELEGATE_H_
 
 #include <string>
 
-#include "base/shared_memory.h"
+#include "base/memory/shared_memory.h"
 #include "content/public/renderer/webrtc_log_message_delegate.h"
 #include "ipc/ipc_channel_proxy.h"
 
 namespace base {
 class MessageLoopProxy;
 }
 
 class PartialCircularBuffer;
 class WebRtcLoggingMessageFilter;
 
@@ skipping 26 matching lines @@
   scoped_ptr<base::SharedMemory> shared_memory_;
   scoped_ptr<PartialCircularBuffer> circular_buffer_;
 
   WebRtcLoggingMessageFilter* message_filter_;
   bool log_initialized_;
 
   DISALLOW_COPY_AND_ASSIGN(ChromeWebRtcLogMessageDelegate);
 };
 
 #endif  // CHROME_RENDERER_MEDIA_CHROME_WEBRTC_LOG_MESSAGE_DELEGATE_H_