Improve some debug tools for mus.

services/ui/ws/window_manager_state.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 SERVICES_UI_WS_WINDOW_MANAGER_STATE_H_
 #define SERVICES_UI_WS_WINDOW_MANAGER_STATE_H_
 
 #include <stdint.h>
 
 #include <memory>
@@ skipping 76 matching lines @@
  private:
   class ProcessedEventTarget;
   friend class Display;
   friend class test::WindowManagerStateTestApi;
 
   enum class DebugAcceleratorType {
     PRINT_WINDOWS,
   };
 
   struct DebugAccelerator {
+    bool Matches(const ui::KeyEvent& event) const;
+
     DebugAcceleratorType type;
     ui::KeyboardCode key_code;
     int event_flags;
   };
 
   enum class EventDispatchPhase {
     // Not actively dispatching.
     NONE,
 
     // A PRE_TARGET accelerator has been encountered and we're awaiting the ack.
@@ skipping 114 matching lines @@
 
   base::WeakPtrFactory<WindowManagerState> weak_factory_;
 
   DISALLOW_COPY_AND_ASSIGN(WindowManagerState);
 };
 
 }  // namespace ws
 }  // namespace ui
 
 #endif  // SERVICES_UI_WS_WINDOW_MANAGER_STATE_H_