WebUIHandler for chrome://keyboard

ui/keyboard/keyboard_ui_controller.h

Index: ui/keyboard/keyboard_ui_controller.h
diff --git a/ui/keyboard/keyboard_ui_controller.h b/ui/keyboard/keyboard_ui_controller.h
index b06ec26c8e27c4caa078e27e1e0c29afd247a40e..2d02165c91b003a0fa83c74c4e520df38eea3aee 100644
--- a/ui/keyboard/keyboard_ui_controller.h
+++ b/ui/keyboard/keyboard_ui_controller.h
@@ -8,6 +8,10 @@
 #include "content/public/browser/web_ui_controller.h"
 #include "ui/keyboard/keyboard_export.h"
 
+namespace aura {
+class RootWindow;
+};
+
 namespace content {
 class WebUI;
 };
@@ -17,10 +21,18 @@ namespace keyboard {
 // WebUIController for chrome://keyboard/.
 class KEYBOARD_EXPORT KeyboardUIController : public content::WebUIController {
  public:
+  // Creates a WebUIController for chrome://keyboard that will log events.
   explicit KeyboardUIController(content::WebUI* web_ui);
+
+  // Creates a WebUIController for chrome://keyboard that will route events
+  // from the keyboard to |root_window|.
+  KeyboardUIController(content::WebUI* web_ui, aura::RootWindow* root_window);
+
   virtual ~KeyboardUIController();
 
  private:
+  void Init(content::WebUI* web_ui, aura::RootWindow* root_window);
+
   DISALLOW_COPY_AND_ASSIGN(KeyboardUIController);
 };