Introduce bad_message.h for chrome and NaCl.

content/public/browser/browser_message_filter.cc

Index: content/public/browser/browser_message_filter.cc
diff --git a/content/public/browser/browser_message_filter.cc b/content/public/browser/browser_message_filter.cc
index cb75ff1b86a6e933cd0271deb01a7467eeb833a0..83068f1707d348cfebf244e221b60561366762f4 100644
--- a/content/public/browser/browser_message_filter.cc
+++ b/content/public/browser/browser_message_filter.cc
@@ -176,13 +176,15 @@ bool BrowserMessageFilter::CheckCanDispatchOnUI(const IPC::Message& message,
   return true;
 }
 
-void BrowserMessageFilter::BadMessageReceived() {
+void BrowserMessageFilter::ShutdownForBadMessage() {
   base::CommandLine* command_line = base::CommandLine::ForCurrentProcess();
   if (command_line->HasSwitch(switches::kDisableKillAfterBadIPC))
     return;
 
   BrowserChildProcessHostImpl::HistogramBadMessageTerminated(
       PROCESS_TYPE_RENDERER);
+
+  // TODO(nick): Shouldn't this call StopChildProcess on Android?
   peer_process_.Terminate(content::RESULT_CODE_KILLED_BAD_MESSAGE, false);
 }