linux_aura: Port GtkKeybindingsHandler to Aura.

chrome/browser/ui/libgtk2ui/gtk2_ui.h

Index: chrome/browser/ui/libgtk2ui/gtk2_ui.h
diff --git a/chrome/browser/ui/libgtk2ui/gtk2_ui.h b/chrome/browser/ui/libgtk2ui/gtk2_ui.h
index f965dc1d104a209032cd56187f35b26e13e5f82f..de702d561f0bb3542697e46fd0eb638d9b9ce89d 100644
--- a/chrome/browser/ui/libgtk2ui/gtk2_ui.h
+++ b/chrome/browser/ui/libgtk2ui/gtk2_ui.h
@@ -15,6 +15,7 @@
 #include "chrome/browser/ui/libgtk2ui/gtk2_signal_registrar.h"
 #include "chrome/browser/ui/libgtk2ui/libgtk2ui_export.h"
 #include "chrome/browser/ui/libgtk2ui/owned_widget_gtk2.h"
+#include "content/public/browser/keybinding_handler_factory_aurax11.h"
 #include "ui/gfx/color_utils.h"
 #include "ui/gfx/geometry/insets.h"
 #include "ui/views/linux_ui/linux_ui.h"
@@ -38,7 +39,8 @@ class GConfTitlebarListener;
 
 // Interface to GTK2 desktop features.
 //
-class Gtk2UI : public views::LinuxUI {
+class Gtk2UI : public views::LinuxUI,
+               public content::KeybindingHandlerFactoryAuraX11 {
  public:
   Gtk2UI();
   virtual ~Gtk2UI();
@@ -110,6 +112,9 @@ class Gtk2UI : public views::LinuxUI {
   virtual bool UnityIsRunning() OVERRIDE;
   virtual void NotifyWindowManagerStartupComplete() OVERRIDE;
 
+  // content::KeybindingHandlerFactoryAuraX11:
+  virtual content::KeybindingHandlerAuraX11* Create() OVERRIDE;
+
  private:
   typedef std::map<int, SkColor> ColorMap;
   typedef std::map<int, color_utils::HSL> TintMap;