Update pepper to not assume that SharedMemoryHandle is an int.

content/renderer/pepper/ppb_buffer_impl.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 "content/renderer/pepper/ppb_buffer_impl.h"
 
 #include <algorithm>
 
 #include "base/logging.h"
 #include "base/memory/scoped_ptr.h"
@@ skipping 60 matching lines @@
   if (map_count_++ == 0)
     shared_memory_->Map(size_);
   return shared_memory_->memory();
 }
 
 void PPB_Buffer_Impl::Unmap() {
   if (--map_count_ == 0)
     shared_memory_->Unmap();
 }
 
-int32_t PPB_Buffer_Impl::GetSharedMemory(int* shm_handle) {
-  *shm_handle = reinterpret_cast<int>(PlatformFileFromSharedMemoryHandle(
-      shared_memory_->handle()));
+int32_t PPB_Buffer_Impl::GetSharedMemory(base::SharedMemoryHandle* shm_handle) {
+  *shm_handle = base::SharedMemory::ShallowCopyHandle(shared_memory_->handle());

[piman, 2015/06/01 22:16:08]

Same here, do we need ShallowCopy, or can we just pass shared_memory_ back
directly?

[erikchen, 2015/06/01 23:48:53]

Changed the interface to pass a base::SharedMemory directly.

   return PP_OK;
 }
 
 BufferAutoMapper::BufferAutoMapper(PPB_Buffer_API* api) : api_(api) {
   needs_unmap_ = !PP_ToBool(api->IsMapped());
   data_ = api->Map();
   api->Describe(&size_);
 }
 
 BufferAutoMapper::~BufferAutoMapper() {
   if (needs_unmap_)
     api_->Unmap();
 }
 
 }  // namespace content