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

chrome/browser/gtk/sad_tab_gtk.h

Index: chrome/browser/gtk/sad_tab_gtk.h
diff --git a/chrome/browser/gtk/sad_tab_gtk.h b/chrome/browser/gtk/sad_tab_gtk.h
index 9c5489b1a3f78040ec8b9b25a3e97d6d10ea6375..dafc835a98c88bf60868d28fa591d8f6e1be2ba9 100644
--- a/chrome/browser/gtk/sad_tab_gtk.h
+++ b/chrome/browser/gtk/sad_tab_gtk.h
@@ -15,7 +15,12 @@ class TabContents;
 
 class SadTabGtk {
  public:
-  explicit SadTabGtk(TabContents* tab_contents);
+  enum Kind {
+    CRASHED,  // The tab crashed.  Display the "Aw, Snap!" page.
+    KILLED    // The tab was killed.  Display the killed tab page.
+  };
+
+  explicit SadTabGtk(TabContents* tab_contents, Kind kind);
   virtual ~SadTabGtk();
 
   GtkWidget* widget() const { return event_box_.get(); }
@@ -27,6 +32,7 @@ class SadTabGtk {
 
   TabContents* tab_contents_;
   OwnedWidgetGtk event_box_;
+  Kind kind_;
 
   DISALLOW_COPY_AND_ASSIGN(SadTabGtk);
 };