Do not try to shutdown when XIOError happens during startup.

chrome/browser/chrome_browser_main_x11.h

Index: chrome/browser/chrome_browser_main_x11.h
diff --git a/chrome/browser/chrome_browser_main_x11.h b/chrome/browser/chrome_browser_main_x11.h
index f3f923aaa98e5726d7cd7e9ca18ed62c47b91b50..5255cd18bc4e2a5cf1d6bb1afb6e2ef12c91713a 100644
--- a/chrome/browser/chrome_browser_main_x11.h
+++ b/chrome/browser/chrome_browser_main_x11.h
@@ -7,9 +7,15 @@
 #ifndef CHROME_BROWSER_CHROME_BROWSER_MAIN_X11_H_
 #define CHROME_BROWSER_CHROME_BROWSER_MAIN_X11_H_
 
-// Installs the X11 error handlers for the browser process. This will
-// allow us to exit cleanly if X exits before us.
-void SetBrowserX11ErrorHandlers();
+// Installs the X11 error handlers for the browser process used during
+// startup. They simply print error messages and exit because
+// we can't shutdown properly while creating and initializing services.
+void SetBrowserX11ErrorHandlersPreEarlyInitialization();
+
+// Installs the X11 error handlers for the browser process after the
+// main message loop has started. This will allow us to exit cleanly
+// if X exits before us.
+void SetBrowserX11ErrorHandlersPostMainMessageLoopStart();
 
 // Installs empty X11 error handlers. This avoids calling into the message-loop
 // in case an X11 erro happens while the message-loop is being destroyed.