Make SharedMemoryHandle a class on windows.

components/mus/gles2/command_buffer_driver.cc

 // 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.
 
 #include "components/mus/gles2/command_buffer_driver.h"
 
 #include "base/bind.h"
 #include "base/macros.h"
 #include "base/memory/shared_memory.h"
+#include "base/process/process_handle.h"
 #include "components/mus/gles2/command_buffer_type_conversions.h"
 #include "components/mus/gles2/gpu_memory_tracker.h"
 #include "components/mus/gles2/gpu_state.h"
 #include "components/mus/gles2/mojo_buffer_backing.h"
 #include "gpu/command_buffer/common/constants.h"
 #include "gpu/command_buffer/common/value_state.h"
 #include "gpu/command_buffer/service/command_buffer_service.h"
 #include "gpu/command_buffer/service/context_group.h"
 #include "gpu/command_buffer/service/gles2_cmd_decoder.h"
 #include "gpu/command_buffer/service/gpu_scheduler.h"
@@ skipping 216 matching lines @@
 
   MojoPlatformHandle platform_handle;
   MojoResult extract_result = MojoExtractPlatformHandle(
       memory_handle.release().value(), &platform_handle);
   if (extract_result != MOJO_RESULT_OK) {
     NOTREACHED();
     return;
   }
 
 #if defined(OS_WIN)
-  gfx_handle.handle = platform_handle;
+  gfx_handle.handle =
+      base::SharedMemoryHandle(platform_handle, base::GetCurrentProcId());
 #else
   gfx_handle.handle = base::FileDescriptor(platform_handle, false);
 #endif
 
   scoped_refptr<gfx::GLImageSharedMemory> image =
       new gfx::GLImageSharedMemory(gfx_size, internal_format);
   // TODO(jam): also need a mojo enum for this enum
   if (!image->Initialize(gfx_handle, gpu_format)) {
     NOTREACHED();
     return;
@@ skipping 45 matching lines @@
 
 void CommandBufferDriver::DestroyDecoder() {
   if (decoder_) {
     bool have_context = decoder_->MakeCurrent();
     decoder_->Destroy(have_context);
     decoder_.reset();
   }
 }
 
 }  // namespace mus