Implements onBoundsChanged event in virtualKeyboardPrivate namespace

chrome/browser/ui/ash/ash_keyboard_controller_proxy.h

Index: chrome/browser/ui/ash/ash_keyboard_controller_proxy.h
diff --git a/chrome/browser/ui/ash/ash_keyboard_controller_proxy.h b/chrome/browser/ui/ash/ash_keyboard_controller_proxy.h
index 40b4777887c153c10fe312b992be128596b6eedf..07def786ab55cdeb4a1885ef65fc33379775a34f 100644
--- a/chrome/browser/ui/ash/ash_keyboard_controller_proxy.h
+++ b/chrome/browser/ui/ash/ash_keyboard_controller_proxy.h
@@ -19,6 +19,9 @@ namespace extensions {
 class ExtensionFunctionDispatcher;
 class WindowController;
 }
+namespace keyboard {
+class KeyboardController;
+}
 namespace gfx {
 class Rect;
 }
@@ -37,6 +40,8 @@ class AshKeyboardControllerProxy
   ~AshKeyboardControllerProxy() override;
 
  private:
+  class AshKeyboardControllerObserver;
+
   void OnRequest(const ExtensionHostMsg_Request_Params& params);
 
   // keyboard::KeyboardControllerProxy overrides
@@ -46,6 +51,7 @@ class AshKeyboardControllerProxy
       const content::MediaStreamRequest& request,
       const content::MediaResponseCallback& callback) override;
   void SetupWebContents(content::WebContents* contents) override;
+  void SetController(keyboard::KeyboardController* controller) override;
   void ShowKeyboardContainer(aura::Window* container) override;
 
   // The overridden implementation dispatches
@@ -67,6 +73,7 @@ class AshKeyboardControllerProxy
 
   scoped_ptr<extensions::ExtensionFunctionDispatcher>
       extension_function_dispatcher_;
+  scoped_ptr<AshKeyboardControllerObserver> observer_;
 
   DISALLOW_COPY_AND_ASSIGN(AshKeyboardControllerProxy);
 };