Launches a privileged utility process.

content/common/utility_messages.h

Index: content/common/utility_messages.h
diff --git a/content/common/utility_messages.h b/content/common/utility_messages.h
index 1e5c68bfea3356eb466df21535a54ad8b287b655..848bf82991068a7805bb1d7745676cf31de07d3e 100644
--- a/content/common/utility_messages.h
+++ b/content/common/utility_messages.h
@@ -27,6 +27,9 @@ IPC_MESSAGE_CONTROL0(UtilityMsg_BatchMode_Started)
 // Tells the utility process that it can shutdown.
 IPC_MESSAGE_CONTROL0(UtilityMsg_BatchMode_Finished)
 
+// Checks whether the utility process is running elevated.
+IPC_MESSAGE_CONTROL0(UtilityMsg_IsElevated)
+
 #if defined(OS_POSIX)
 // Tells the utility process to load each plugin in the order specified by the
 // vector. It will respond after each load with the WebPluginInfo.
@@ -50,3 +53,8 @@ IPC_SYNC_MESSAGE_CONTROL2_0(UtilityHostMsg_LoadedPlugin,
                             uint32_t /* index in the vector */,
                             content::WebPluginInfo /* plugin info */)
 #endif  // OS_POSIX
+
+// Tells the utility process that it can shutdown.
+// TODO(haven): Debugging only.  Remove before submission.

[mef, 2014/01/10 18:22:55]

Is this correct comment? 
It seems to report whether utility process is actually elevated.

[Drew Haven, 2014/01/16 02:52:05]

I had originally thought it would be moved to the test file, but I need to leave
it in if I want to run the test in content.  Also, I don't think it hurts
anything.

[mef, 2014/01/16 16:22:31]

I agree.

+IPC_MESSAGE_CONTROL1(UtilityHostMsg_IsElevated,
+                     bool /* true if elevated */)