Added code so renderer would cleanly exit.

content/public/common/content_switches.cc

Index: content/public/common/content_switches.cc
diff --git a/content/public/common/content_switches.cc b/content/public/common/content_switches.cc
index 445cb90f8b6a9b0485f380325670137a8a7c61a5..952f259998bada9d3fc88fa9e3f5fed91963afde 100644
--- a/content/public/common/content_switches.cc
+++ b/content/public/common/content_switches.cc
@@ -517,6 +517,11 @@ const char kRemoteDebuggingPort[]           = "remote-debugging-port";
 // Causes the renderer process to throw an assertion on launch.
 const char kRendererAssertTest[]            = "renderer-assert-test";
 
+#if defined(OS_POSIX)
+// Causes the renderer process to cleanly exit via calling exit().
+const char kRendererCleanExit[] = "renderer-clean-exit";

[Markus (顧孟勤), 2012/04/09 23:45:46]

Maybe fix the indentation of the "=". All the other ones in this fix appear to
be aligned.

[asharif1, 2012/04/10 03:08:00]

Done.

+#endif
+
 // On POSIX only: the contents of this flag are prepended to the renderer
 // command line. Useful values might be "valgrind" or "xterm -e gdb --args".
 const char kRendererCmdPrefix[]             = "renderer-cmd-prefix";