Create a broker interface for the new Mojo EDK so that the browser can create and duplicate messa...

content/browser/browser_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/browser/browser_child_process_host_impl.h"
 
 #include "base/base_switches.h"
 #include "base/bind.h"
 #include "base/command_line.h"
 #include "base/debug/dump_without_crashing.h"
 #include "base/files/file_path.h"
 #include "base/lazy_instance.h"
 #include "base/logging.h"
 #include "base/metrics/histogram.h"
 #include "base/stl_util.h"
 #include "base/strings/string_util.h"
 #include "base/synchronization/waitable_event.h"
 #include "content/browser/histogram_message_filter.h"
 #include "content/browser/loader/resource_message_filter.h"
 #include "content/browser/memory/memory_message_filter.h"
 #include "content/browser/profiler_message_filter.h"
 #include "content/browser/tracing/trace_message_filter.h"
 #include "content/common/child_process_host_impl.h"
+#include "content/common/child_process_messages.h"
 #include "content/public/browser/browser_child_process_host_delegate.h"
 #include "content/public/browser/browser_child_process_observer.h"
 #include "content/public/browser/browser_thread.h"
 #include "content/public/browser/child_process_data.h"
 #include "content/public/browser/content_browser_client.h"
 #include "content/public/common/content_switches.h"
 #include "content/public/common/process_type.h"
 #include "content/public/common/result_codes.h"
 #include "ipc/attachment_broker.h"
 #include "ipc/attachment_broker_privileged.h"
+#include "third_party/mojo/src/mojo/edk/embedder/embedder.h"
 
 #if defined(OS_MACOSX)
 #include "content/browser/mach_broker_mac.h"
 #endif
 
 namespace content {
 namespace {
 
 static base::LazyInstance<BrowserChildProcessHostImpl::BrowserChildProcessList>
     g_child_process_list = LAZY_INSTANCE_INITIALIZER;
@@ skipping 349 matching lines @@
   delete delegate_;  // Will delete us
 }
 
 void BrowserChildProcessHostImpl::OnProcessLaunched() {
   DCHECK_CURRENTLY_ON(BrowserThread::IO);
 
   const base::Process& process = child_process_->GetProcess();
   DCHECK(process.IsValid());
 
 #if defined(OS_WIN)
+  if (base::CommandLine::ForCurrentProcess()->HasSwitch("use-new-edk")) {
+    HANDLE client_pipe = mojo::embedder::ChildProcessLaunched(process.Handle());
+    Send(new ChildProcessMsg_SetMojoParentPipeHandle(
+        IPC::GetFileHandleForProcess(client_pipe, process.Handle(), true)));
+  }
+
   // Start a WaitableEventWatcher that will invoke OnProcessExitedEarly if the
   // child process exits. This watcher is stopped once the IPC channel is
   // connected and the exit of the child process is detecter by an error on the
   // IPC channel thereafter.
   DCHECK(!early_exit_watcher_.GetWatchedObject());
   early_exit_watcher_.StartWatchingOnce(process.Handle(), this);
 #endif
 
   // TODO(rvargas) crbug.com/417532: Don't store a handle.
   data_.handle = process.Handle();
@@ skipping 14 matching lines @@
 
 #if defined(OS_WIN)
 
 void BrowserChildProcessHostImpl::OnObjectSignaled(HANDLE object) {
   OnChildDisconnected();
 }
 
 #endif
 
 }  // namespace content