Add create note palette action.

ash/common/wm_shell.h

 // Copyright 2016 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #ifndef ASH_COMMON_WM_SHELL_H_
 #define ASH_COMMON_WM_SHELL_H_
 
 #include <stdint.h>
 
 #include <memory>
@@ skipping 315 matching lines @@
   virtual void AddPointerWatcher(views::PointerWatcher* watcher,
                                  bool wants_moves) = 0;
   virtual void RemovePointerWatcher(views::PointerWatcher* watcher) = 0;
 
   // TODO: Move these back to LockStateController when that has been moved.
   void OnLockStateEvent(LockStateObserver::EventType event);
   void AddLockStateObserver(LockStateObserver* observer);
   void RemoveLockStateObserver(LockStateObserver* observer);
 
   void SetShelfDelegateForTesting(std::unique_ptr<ShelfDelegate> test_delegate);
+  void SetPaletteDelegateForTesting(
+      std::unique_ptr<PaletteDelegate> palette_delegate);
 
   // True if any touch points are down.
   virtual bool IsTouchDown() = 0;
 
 #if defined(OS_CHROMEOS)
   LogoutConfirmationController* logout_confirmation_controller() {
     return logout_confirmation_controller_.get();
   }
 
   // TODO(jamescook): Remove this when VirtualKeyboardController has been moved.
@@ skipping 72 matching lines @@
   bool simulate_modal_window_open_for_testing_ = false;
 
 #if defined(OS_CHROMEOS)
   std::unique_ptr<LogoutConfirmationController> logout_confirmation_controller_;
 #endif
 };
 
 }  // namespace ash
 
 #endif  // ASH_COMMON_WM_SHELL_H_