Launches a privileged utility process.

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 f2b3bc31deeaa3ff2b0fe94726a0309ce4e6c8d3..afcfeb55b8db12ccbfd4dd5e6cba9221d2221532 100644
--- a/content/browser/utility_process_host_impl.cc
+++ b/content/browser/utility_process_host_impl.cc
@@ -73,6 +73,9 @@ UtilityProcessHostImpl::UtilityProcessHostImpl(
       is_batch_mode_(false),
       is_mdns_enabled_(false),
       no_sandbox_(false),
+#if defined(OS_WIN)
+      run_elevated_(false),
+#endif
 #if defined(OS_LINUX)
       child_flags_(ChildProcessHost::CHILD_ALLOW_SELF),
 #else
@@ -120,6 +123,13 @@ void UtilityProcessHostImpl::DisableSandbox() {
   no_sandbox_ = true;
 }
 
+#if defined(OS_WIN)
+void UtilityProcessHostImpl::ElevatePrivileges() {
+  no_sandbox_ = true;
+  run_elevated_ = true;
+}
+#endif
+
 void UtilityProcessHostImpl::EnableZygote() {
   use_linux_zygote_ = true;
 }
@@ -225,6 +235,7 @@ bool UtilityProcessHostImpl::StartProcess() {
     process_->Launch(
 #if defined(OS_WIN)
         new UtilitySandboxedProcessLauncherDelegate(exposed_dir_),
+        run_elevated_,
 #elif defined(OS_POSIX)
         use_zygote,
         env_,
@@ -244,6 +255,13 @@ bool UtilityProcessHostImpl::OnMessageReceived(const IPC::Message& message) {
   return true;
 }
 
+void UtilityProcessHostImpl::OnProcessLaunchFailed() {
+  client_task_runner_->PostTask(
+      FROM_HERE,
+      base::Bind(&UtilityProcessHostClient::OnProcessLaunchFailed,
+                 client_.get()));
+}
+
 void UtilityProcessHostImpl::OnProcessCrashed(int exit_code) {
   client_task_runner_->PostTask(
       FROM_HERE,