Make SharedMemoryHandle a class on windows.

ppapi/proxy/ppb_image_data_proxy.cc

 // 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.
 
 #include "ppapi/proxy/ppb_image_data_proxy.h"
 
 #include <string.h>  // For memcpy
 
 #include <map>
 #include <vector>
@@ skipping 357 matching lines @@
 }
 
 // PlatformImageData -----------------------------------------------------------
 
 #if !defined(OS_NACL)
 PlatformImageData::PlatformImageData(const HostResource& resource,
                                      const PP_ImageDataDesc& desc,
                                      ImageHandle handle)
     : ImageData(resource, PPB_ImageData_Shared::PLATFORM, desc) {
 #if defined(OS_WIN)
-  transport_dib_.reset(TransportDIB::CreateWithHandle(handle));
+  transport_dib_.reset(TransportDIB::CreateWithHandle(
+      base::SharedMemoryHandle(handle, base::GetCurrentProcId())));
 #else
   transport_dib_.reset(TransportDIB::Map(handle));
 #endif  // defined(OS_WIN)
 }
 
 PlatformImageData::~PlatformImageData() {
 }
 
 void* PlatformImageData::Map() {
   if (!mapped_canvas_.get()) {
@@ skipping 231 matching lines @@
   uint32_t byte_count;
   PP_Resource resource =
       CreateImageData(instance,
                       PPB_ImageData_Shared::PLATFORM,
                       static_cast<PP_ImageDataFormat>(format),
                       size,
                       true /* init_to_zero */,
                       desc, &image_handle, &byte_count);
   result->SetHostResource(instance, resource);
   if (resource) {
+#if defined(OS_WIN)
+    *result_image_handle = image_handle.GetHandle();
+#else
     *result_image_handle = image_handle;
+#endif
   } else {
     *result_image_handle = PlatformImageData::NullHandle();
   }
 }
 
 void PPB_ImageData_Proxy::OnHostMsgCreateSimple(
     PP_Instance instance,
     int32_t format,
     const PP_Size& size,
     PP_Bool init_to_zero,
@@ skipping 39 matching lines @@
   // still cached in our process, the proxy still holds a reference so we can
   // remove the one the renderer just sent is. If the proxy no longer holds a
   // reference, we released everything and we should also release the one the
   // renderer just sent us.
   dispatcher()->Send(new PpapiHostMsg_PPBCore_ReleaseResource(
       API_ID_PPB_CORE, old_image_data));
 }
 
 }  // namespace proxy
 }  // namespace ppapi