ipc: Create AttachmentBrokerPrivileged and AttachmentBrokerUnprivileged.

content/common/child_process_host_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/common/child_process_host_impl.h"
 
 #include <limits>
 
 #include "base/atomic_sequence_num.h"
 #include "base/command_line.h"
@@ skipping 13 matching lines @@
 #include "content/public/common/content_paths.h"
 #include "content/public/common/content_switches.h"
 #include "ipc/ipc_channel.h"
 #include "ipc/ipc_logging.h"
 #include "ipc/message_filter.h"
 
 #if defined(OS_LINUX)
 #include "base/linux_util.h"
 #elif defined(OS_WIN)
 #include "content/common/font_cache_dispatcher_win.h"
-#include "ipc/attachment_broker_win.h"
+#include "ipc/attachment_broker_privileged_win.h"
 #endif  // OS_LINUX
 
 #if defined(OS_WIN)
-base::LazyInstance<IPC::AttachmentBrokerWin>::Leaky g_attachment_broker =
-    LAZY_INSTANCE_INITIALIZER;
+base::LazyInstance<IPC::AttachmentBrokerPrivilegedWin>::Leaky

[erikchen, 2015/07/28 20:55:56]

I snuck in this change, replacing AttachmentBrokerWin with
AttachmentBrokerPrivilegedWin. 

+    g_attachment_broker = LAZY_INSTANCE_INITIALIZER;
 #endif  // defined(OS_WIN)
 
 namespace {
 
 #if defined(OS_MACOSX)
 // Given |path| identifying a Mac-style child process executable path, adjusts
 // it to correspond to |feature|. For a child process path such as
 // ".../Chromium Helper.app/Contents/MacOS/Chromium Helper", the transformed
 // path for feature "NP" would be
 // ".../Chromium Helper NP.app/Contents/MacOS/Chromium Helper NP". The new
@@ skipping 298 matching lines @@
 }
 
 void ChildProcessHostImpl::OnDeletedGpuMemoryBuffer(
     gfx::GpuMemoryBufferId id,
     uint32 sync_point) {
   // Note: Nothing to do here as ownership of shared memory backed
   // GpuMemoryBuffers is passed with IPC.
 }
 
 }  // namespace content