Add a Mojo EDK for Chrome that uses one OS pipe per message pipe.

content/browser/browser_main_loop.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/browser/browser_main_loop.h"
 
 #include "base/bind.h"
 #include "base/command_line.h"
 #include "base/location.h"
 #include "base/logging.h"
@@ skipping 51 matching lines @@
 #include "content/public/common/result_codes.h"
 #include "crypto/nss_util.h"
 #include "device/battery/battery_status_service.h"
 #include "media/audio/audio_manager.h"
 #include "media/base/media.h"
 #include "media/base/user_input_monitor.h"
 #include "media/midi/midi_manager.h"
 #include "net/base/network_change_notifier.h"
 #include "net/socket/client_socket_factory.h"
 #include "net/ssl/ssl_config_service.h"
+#include "ipc/mojo/scoped_ipc_support.h"
 #include "skia/ext/skia_memory_dump_provider.h"
 #include "ui/base/clipboard/clipboard.h"
 
 #if defined(USE_AURA) || (defined(OS_MACOSX) && !defined(OS_IOS))
 #include "content/browser/compositor/image_transport_factory.h"
 #endif
 
 #if defined(USE_AURA)
 #include "content/public/browser/context_factory.h"
 #include "ui/aura/env.h"
@@ skipping 838 matching lines @@
   TRACE_EVENT0("shutdown", "BrowserMainLoop::ShutdownThreadsAndCleanUp");
 
   // Teardown may start in PostMainMessageLoopRun, and during teardown we
   // need to be able to perform IO.
   base::ThreadRestrictions::SetIOAllowed(true);
   BrowserThread::PostTask(
       BrowserThread::IO, FROM_HERE,
       base::Bind(base::IgnoreResult(&base::ThreadRestrictions::SetIOAllowed),
                  true));
 
+  mojo_ipc_support_.reset();
   mojo_shell_context_.reset();
 
 #if !defined(OS_IOS)
   if (RenderProcessHost::run_renderer_in_process())
     RenderProcessHostImpl::ShutDownInProcessRenderer();
 #endif
 
   if (parts_) {
     TRACE_EVENT0("shutdown",
                  "BrowserMainLoop::Subsystem:PostMainMessageLoopRun");
@@ skipping 319 matching lines @@
   }
 
 #if defined(OS_MACOSX)
   ThemeHelperMac::GetInstance();
   SystemHotkeyHelperMac::GetInstance()->DeferredLoadSystemHotkeys();
 #endif  // defined(OS_MACOSX)
 
 #endif  // !defined(OS_IOS)
 
   mojo_shell_context_.reset(new MojoShellContext);
+  mojo_ipc_support_.reset(new IPC::ScopedIPCSupport(
+      BrowserThread::UnsafeGetMessageLoopForThread(BrowserThread::IO)
+          ->task_runner()));
 
   return result_code_;
 }
 
 bool BrowserMainLoop::UsingInProcessGpu() const {
   return parsed_command_line_.HasSwitch(switches::kSingleProcess) ||
          parsed_command_line_.HasSwitch(switches::kInProcessGPU);
 }
 
 bool BrowserMainLoop::InitializeToolkit() {
@@ skipping 113 matching lines @@
   DCHECK(is_tracing_startup_for_duration_);
 
   is_tracing_startup_for_duration_ = false;
   TracingController::GetInstance()->DisableRecording(
       TracingController::CreateFileSink(
           startup_trace_file_,
           base::Bind(OnStoppedStartupTracing, startup_trace_file_)));
 }
 
 }  // namespace content