Enable ChannelMojo for non-renderer child processes

content/browser/utility_process_host_impl.cc

Index: content/browser/utility_process_host_impl.cc
diff --git a/content/browser/utility_process_host_impl.cc b/content/browser/utility_process_host_impl.cc
index f6b43bec6aadfa9eb37838196a9c5808b8a6492e..fb8bc964e8d4824de1c5a17bf14b96c929803464 100644
--- a/content/browser/utility_process_host_impl.cc
+++ b/content/browser/utility_process_host_impl.cc
@@ -26,6 +26,7 @@
 #include "content/public/browser/content_browser_client.h"
 #include "content/public/browser/utility_process_host_client.h"
 #include "content/public/common/content_switches.h"
+#include "content/public/common/mojo_channel_switches.h"
 #include "content/public/common/process_type.h"
 #include "content/public/common/sandboxed_process_launcher_delegate.h"
 #include "ipc/ipc_switches.h"
@@ -222,6 +223,7 @@ bool UtilityProcessHostImpl::StartProcess() {
             channel_id, BrowserThread::UnsafeGetMessageLoopForThread(
                             BrowserThread::IO)->task_runner())));
     in_process_thread_->Start();
+    process_->NotifyProcessLaunched();
   } else {
     const base::CommandLine& browser_command_line =
         *base::CommandLine::ForCurrentProcess();
@@ -299,6 +301,10 @@ bool UtilityProcessHostImpl::StartProcess() {
   return true;
 }
 
+bool UtilityProcessHostImpl::ShouldUseMojoChannel() {
+  return content::ShouldUseMojoChannel();
+}
+
 bool UtilityProcessHostImpl::OnMessageReceived(const IPC::Message& message) {
   if (!client_.get())
     return true;