Use ChannelMojo in Pepper and NaCl processes.

ppapi/nacl_irt/plugin_startup.cc

 // Copyright 2014 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/nacl_irt/plugin_startup.h"
 
 #include "base/bind.h"
 #include "base/file_descriptor_posix.h"
 #include "base/location.h"
 #include "base/logging.h"
 #include "base/single_thread_task_runner.h"
 #include "base/synchronization/waitable_event.h"
 #include "base/threading/thread.h"
 #include "ipc/ipc_channel_handle.h"
+#include "ipc/mojo/scoped_ipc_support.h"
+#include "mojo/edk/embedder/embedder.h"
 #include "ppapi/nacl_irt/manifest_service.h"
 #include "ppapi/shared_impl/ppb_audio_shared.h"
 
 namespace ppapi {
 namespace {
 
 int g_nacl_browser_ipc_fd = -1;
 int g_nacl_renderer_ipc_fd = -1;
 int g_manifest_service_fd = -1;
+int g_nacl_browser_mojo_fd = -1;
 
 base::WaitableEvent* g_shutdown_event = NULL;
 base::Thread* g_io_thread = NULL;
 ManifestService* g_manifest_service = NULL;
 
 // Creates the manifest service on IO thread so that its Listener's thread and
 // IO thread are shared. Upon completion of the manifest service creation,
 // event is signaled.
 void StartUpManifestServiceOnIOThread(base::WaitableEvent* event) {
   // The start up must be called only once.
   DCHECK(!g_manifest_service);
   // manifest_service_fd must be set.
   DCHECK_NE(g_manifest_service_fd, -1);
   // IOThread and shutdown event must be initialized in advance.
   DCHECK(g_io_thread);
   DCHECK(g_shutdown_event);
 
   g_manifest_service = new ManifestService(
       IPC::ChannelHandle("NaCl IPC",
                          base::FileDescriptor(g_manifest_service_fd, false)),
       g_io_thread->task_runner(), g_shutdown_event);
   event->Signal();
 }
 
 }  // namespace
 
 void SetIPCFileDescriptors(
-    int browser_ipc_fd, int renderer_ipc_fd, int manifest_service_fd) {
+    int browser_ipc_fd, int renderer_ipc_fd, int manifest_service_fd,
+    int browser_mojo_fd) {
   // The initialization must be only once.
   DCHECK_EQ(g_nacl_browser_ipc_fd, -1);
   DCHECK_EQ(g_nacl_renderer_ipc_fd, -1);
   DCHECK_EQ(g_manifest_service_fd, -1);
+  DCHECK_EQ(g_nacl_browser_mojo_fd, -1);
   g_nacl_browser_ipc_fd = browser_ipc_fd;
   g_nacl_renderer_ipc_fd = renderer_ipc_fd;
   g_manifest_service_fd = manifest_service_fd;
+  g_nacl_browser_mojo_fd = browser_mojo_fd;
 }
 
 void StartUpPlugin() {
   // The start up must be called only once.
   DCHECK(!g_shutdown_event);
   DCHECK(!g_io_thread);
 
   g_shutdown_event = new base::WaitableEvent(true, false);
   g_io_thread = new base::Thread("Chrome_NaClIOThread");
   g_io_thread->StartWithOptions(
       base::Thread::Options(base::MessageLoop::TYPE_IO, 0));
 
+  // Initialize Mojo.
+  mojo::edk::Init();
+  IPC::ScopedIPCSupport scoped_ipc_support(g_io_thread->task_runner());
+  if (g_nacl_browser_mojo_fd != -1) {
+    LOG(ERROR) << "Setting up Mojo channel in NaCl";
+//    mojo::edk::SetParentPipeHandle(mojo::edk::ScopedPlatformHandle(
+//        mojo::edk::PlatformHandle(g_nacl_browser_mojo_fd)));
+  }
+
   if (g_manifest_service_fd != -1) {
     // Manifest service must be created on IOThread so that the main message
     // handling will be done on the thread, which has a message loop
     // even before irt_ppapi_start invocation.
     // TODO(hidehiko,dmichael): This works, but is probably not well designed
     // usage. Once a better approach is made, replace this by that way.
     // (crbug.com/364241).
     base::WaitableEvent event(true, false);
     g_io_thread->task_runner()->PostTask(
         FROM_HERE, base::Bind(StartUpManifestServiceOnIOThread, &event));
@@ skipping 25 matching lines @@
   // The IOThread must be initialized in advance.
   DCHECK(g_io_thread);
   return g_io_thread;
 }
 
 ManifestService* GetManifestService() {
   return g_manifest_service;
 }
 
 }  // namespace ppapi