Change MessagePumpForGpu and SharedMemory to ScopedHandle

base/memory/shared_memory.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 BASE_MEMORY_SHARED_MEMORY_H_
 #define BASE_MEMORY_SHARED_MEMORY_H_
 
 #include <stddef.h>
 
 #include <string>
 
 #include "base/base_export.h"
 #include "base/macros.h"
 #include "base/memory/shared_memory_handle.h"
 #include "base/process/process_handle.h"
 #include "build/build_config.h"
 
 #if defined(OS_POSIX)
 #include <stdio.h>
 #include <sys/types.h>
 #include <semaphore.h>
 #include "base/file_descriptor_posix.h"
 #include "base/files/file_util.h"
 #include "base/files/scoped_file.h"
 #endif
 
+#if defined(OS_WIN)
+#include "base/win/scoped_handle.h"
+#endif
+
 namespace base {
 
 class FilePath;
 
 // Options for creating a shared memory object.
 struct BASE_EXPORT SharedMemoryCreateOptions {
   SharedMemoryCreateOptions();
 
 #if !(defined(OS_MACOSX) && !defined(OS_IOS))
   // DEPRECATED (crbug.com/345734):
@@ skipping 219 matching lines @@
   bool ShareToProcessCommon(ProcessHandle process,
                             SharedMemoryHandle* new_handle,
                             bool close_self,
                             ShareMode);
 
 #if defined(OS_WIN)
   // If true indicates this came from an external source so needs extra checks
   // before being mapped.
   bool external_section_;
   std::wstring       name_;
-  HANDLE             mapped_file_;
+  win::ScopedHandle mapped_file_;

[Lei Zhang, 2016/06/29 18:47:15]

nit: extra space to keep the variable names lined up, since it's mostly that
way?

[stanisc, 2016/06/29 21:29:06]

Done.

 #elif defined(OS_MACOSX) && !defined(OS_IOS)
   // The OS primitive that backs the shared memory region.
   SharedMemoryHandle shm_;
 #elif defined(OS_POSIX)
   int                mapped_file_;
   int                readonly_mapped_file_;
 #endif
   size_t             mapped_size_;
   void*              memory_;
   bool               read_only_;
   size_t             requested_size_;
 
   DISALLOW_COPY_AND_ASSIGN(SharedMemory);
 };
 }  // namespace base
 
 #endif  // BASE_MEMORY_SHARED_MEMORY_H_