Get rid of base::SharedMemory::NULLHandle();

ppapi/proxy/plugin_array_buffer_var.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/plugin_array_buffer_var.h"
 
 #include <stdlib.h>
 
 #include <limits>
 
@@ skipping 10 matching lines @@
 
 using base::SharedMemory;
 using base::SharedMemoryHandle;
 using ppapi::proxy::PluginGlobals;
 using ppapi::proxy::PluginResourceTracker;
 
 namespace ppapi {
 
 PluginArrayBufferVar::PluginArrayBufferVar(uint32_t size_in_bytes)
     : buffer_(size_in_bytes),
-      plugin_handle_(base::SharedMemory::NULLHandle()),
       size_in_bytes_(size_in_bytes) {}
 
 PluginArrayBufferVar::PluginArrayBufferVar(uint32_t size_in_bytes,
                                            SharedMemoryHandle plugin_handle)
     : plugin_handle_(plugin_handle), size_in_bytes_(size_in_bytes) {}
 
 PluginArrayBufferVar::~PluginArrayBufferVar() {
   Unmap();
 
   if (shmem_.get() == NULL) {
@@ skipping 50 matching lines @@
   base::SharedMemoryHandle tmp_handle = plugin_handle.shmem();
   SharedMemory s(tmp_handle, false);
   if (!s.Map(ByteLength()))
     return false;
   memcpy(s.memory(), Map(), ByteLength());
   s.Unmap();
 
   // We don't need to keep the shared memory around on the plugin side;
   // we've already copied all our data into it. We'll make it invalid
   // just to be safe.
-  *plugin_out_handle = base::SharedMemory::NULLHandle();
+  *plugin_out_handle = base::SharedMemoryHandle();
 
   return true;
 }
 
 }  // namespace ppapi