Further clean up pepper's use of SharedMemory.

ppapi/proxy/ppapi_proxy_test.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/ppapi_proxy_test.h"
 
 #include <sstream>
 
 #include "base/bind.h"
 #include "base/bind_helpers.h"
@@ skipping 241 matching lines @@
     base::ProcessId /* remote_pid */,
     bool should_close_source) {
   return IPC::GetFileHandleForProcess(handle,
                                       base::GetCurrentProcessHandle(),
                                       should_close_source);
 }
 
 base::SharedMemoryHandle
 PluginProxyTestHarness::PluginDelegateMock::ShareSharedMemoryHandleWithRemote(
     const base::SharedMemoryHandle& handle,
-    base::ProcessId remote_pid) {
-#if defined(OS_POSIX)
-  return ShareHandleWithRemote(handle.fd, remote_pid, false);
-#elif defined(OS_WIN)
-  return ShareHandleWithRemote(handle, remote_pid, false);
-#else
-#error Not implemented.
-#endif
+    base::ProcessId /* remote_pid */) {
+  return base::SharedMemory::DuplicateHandle(handle);
 }
 
 std::set<PP_Instance>*
 PluginProxyTestHarness::PluginDelegateMock::GetGloballySeenInstanceIDSet() {
   return &instance_id_set_;
 }
 
 uint32 PluginProxyTestHarness::PluginDelegateMock::Register(
     PluginDispatcher* plugin_dispatcher) {
   return 0;
@@ skipping 218 matching lines @@
     base::ProcessId /* remote_pid */,
     bool should_close_source) {
   return IPC::GetFileHandleForProcess(handle,
                                       base::GetCurrentProcessHandle(),
                                       should_close_source);
 }
 
 base::SharedMemoryHandle
 HostProxyTestHarness::DelegateMock::ShareSharedMemoryHandleWithRemote(
     const base::SharedMemoryHandle& handle,
-    base::ProcessId remote_pid) {
-#if defined(OS_POSIX)
-  return ShareHandleWithRemote(handle.fd, remote_pid, false);
-#elif defined(OS_WIN)
-  return ShareHandleWithRemote(handle, remote_pid, false);
-#else
-#error Not implemented.
-#endif
+    base::ProcessId /*remote_pid*/) {
+  return base::SharedMemory::DuplicateHandle(handle);
 }
 
 // HostProxyTest ---------------------------------------------------------------
 
 HostProxyTest::HostProxyTest() : HostProxyTestHarness(SINGLETON_GLOBALS) {
 }
 
 HostProxyTest::~HostProxyTest() {
 }
 
@@ skipping 76 matching lines @@
   plugin_thread_.message_loop_proxy()->PostTask(FROM_HERE,
       base::Bind(&RunTaskOnRemoteHarness,
                  task,
                  &task_complete));
   task_complete.Wait();
 }
 
 
 }  // namespace proxy
 }  // namespace ppapi