Use a direct include of the shared_memory header in media/, ppapi/, webkit/.

webkit/plugins/ppapi/ppb_buffer_impl.h

 // Copyright (c) 2011 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 WEBKIT_PLUGINS_PPAPI_PPB_BUFFER_IMPL_H_
 #define WEBKIT_PLUGINS_PPAPI_PPB_BUFFER_IMPL_H_
 
 #include "base/basictypes.h"
 #include "base/memory/ref_counted.h"
 #include "base/memory/scoped_ptr.h"
-#include "base/shared_memory.h"
+#include "base/memory/shared_memory.h"
+#include "ppapi/shared_impl/resource.h"
 #include "ppapi/thunk/ppb_buffer_api.h"
-#include "ppapi/shared_impl/resource.h"
 #include "webkit/plugins/webkit_plugins_export.h"
 
 namespace webkit {
 namespace ppapi {
 
 class WEBKIT_PLUGINS_EXPORT PPB_Buffer_Impl :
     public ::ppapi::Resource,
     public ::ppapi::thunk::PPB_Buffer_API {
  public:
   virtual ~PPB_Buffer_Impl();
@@ skipping 49 matching lines @@
   void* data_;
   uint32_t size_;
 
   DISALLOW_COPY_AND_ASSIGN(BufferAutoMapper);
 };
 
 }  // namespace ppapi
 }  // namespace webkit
 
 #endif  // WEBKIT_PLUGINS_PPAPI_PPB_BUFFER_IMPL_H_