Implement the host side of the PPB_PDF proxy.

ppapi/proxy/ppb_image_data_proxy.h

 // Copyright (c) 2012 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 PPAPI_PPB_IMAGE_DATA_PROXY_H_
 #define PPAPI_PPB_IMAGE_DATA_PROXY_H_
 
 #include "base/memory/scoped_ptr.h"
 #include "base/shared_memory.h"
 #include "build/build_config.h"
 #include "ppapi/c/pp_bool.h"
 #include "ppapi/c/pp_completion_callback.h"
 #include "ppapi/c/pp_instance.h"
 #include "ppapi/c/pp_module.h"
 #include "ppapi/c/pp_resource.h"
 #include "ppapi/c/pp_size.h"
 #include "ppapi/c/pp_var.h"
 #include "ppapi/c/ppb_image_data.h"
 #include "ppapi/proxy/interface_proxy.h"
+#include "ppapi/proxy/ppapi_proxy_export.h"
 #include "ppapi/proxy/serialized_structs.h"
 #include "ppapi/shared_impl/ppb_image_data_shared.h"
 #include "ppapi/shared_impl/resource.h"
 #include "ppapi/thunk/ppb_image_data_api.h"
 
 class TransportDIB;
 
 namespace ppapi {
 namespace proxy {
 
 class SerializedHandle;
 
 // The proxied image data resource. Unlike most resources, this needs to be
 // public in the header since a number of other resources need to access it.
-class ImageData : public ppapi::Resource,
-                  public ppapi::thunk::PPB_ImageData_API,
-                  public ppapi::PPB_ImageData_Shared {
+class PPAPI_PROXY_EXPORT ImageData
+    : public ppapi::Resource,
+      public NON_EXPORTED_BASE(ppapi::thunk::PPB_ImageData_API),
+      public ppapi::PPB_ImageData_Shared {
  public:
 #if !defined(OS_NACL)
   ImageData(const ppapi::HostResource& resource,
             const PP_ImageDataDesc& desc,
             ImageHandle handle);
 #else
   // In NaCl, we only allow creating an ImageData using a SharedMemoryHandle.
   // ImageHandle can differ by host platform. We need something that is
   // more consistent across platforms for NaCl, so that we can communicate to
   // the host OS in a consistent way.
@@ skipping 84 matching lines @@
   // Host->Plugin message handlers.
   void OnPluginMsgNotifyUnusedImageData(const HostResource& old_image_data);
 
   DISALLOW_COPY_AND_ASSIGN(PPB_ImageData_Proxy);
 };
 
 }  // namespace proxy
 }  // namespace ppapi
 
 #endif  // PPAPI_PPB_IMAGE_DATA_PROXY_H_