This adds a "killed tab" page and pages reload when killed on ChromeOS

chrome/renderer/about_handler.cc

Index: chrome/renderer/about_handler.cc
diff --git a/chrome/renderer/about_handler.cc b/chrome/renderer/about_handler.cc
index f53302bdff848e9af0035f1d70d7cbce6cb47d12..e748aa13a38dc98e2bc3ed5337727b248897d4d5 100644
--- a/chrome/renderer/about_handler.cc
+++ b/chrome/renderer/about_handler.cc
@@ -4,6 +4,7 @@
 
 #include "chrome/renderer/about_handler.h"
 
+#include "base/process_util.h"
 #include "base/threading/platform_thread.h"
 #include "chrome/common/about_handler.h"
 #include "googleurl/src/gurl.h"
@@ -14,6 +15,7 @@ typedef void (*AboutHandlerFuncPtr)();
 // chrome/common/about_handler.cc.
 static const AboutHandlerFuncPtr about_urls_handlers[] = {
     AboutHandler::AboutCrash,
+    AboutHandler::AboutKill,
     AboutHandler::AboutHang,
     AboutHandler::AboutShortHang,
     NULL,
@@ -44,6 +46,11 @@ void AboutHandler::AboutCrash() {
 }
 
 // static
+void AboutHandler::AboutKill() {
+  base::KillProcess(base::GetCurrentProcessHandle(), 1, false);
+}
+
+// static
 void AboutHandler::AboutHang() {
   for (;;) {
     base::PlatformThread::Sleep(1000);