Revert "Converting (Alt+LeftClick -> RightClick) to (Search+LeftClick -> RightClick)"

ui/wm/core/accelerator_filter.h

 // Copyright 2014 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 UI_WM_CORE_ACCELERATOR_FILTER_H_
 #define UI_WM_CORE_ACCELERATOR_FILTER_H_
 
 #include "base/macros.h"
 #include "base/memory/scoped_ptr.h"
 #include "ui/events/event_handler.h"
@@ skipping 10 matching lines @@
 // AcceleratorFilter filters key events for AcceleratorControler handling global
 // keyboard accelerators.
 class WM_EXPORT AcceleratorFilter : public ui::EventHandler {
  public:
   // AcceleratorFilter doesn't own |accelerator_history|, it's owned by
   // AcceleratorController.
   AcceleratorFilter(scoped_ptr<AcceleratorDelegate> delegate,
                     ui::AcceleratorHistory* accelerator_history);
   ~AcceleratorFilter() override;
 
-  // ui::EventHandler:
+  // Overridden from ui::EventHandler:
   void OnKeyEvent(ui::KeyEvent* event) override;
-  void OnMouseEvent(ui::MouseEvent* event) override;
 
  private:
   scoped_ptr<AcceleratorDelegate> delegate_;
   ui::AcceleratorHistory* accelerator_history_;
 
   DISALLOW_COPY_AND_ASSIGN(AcceleratorFilter);
 };
 
 }  // namespace wm
 
 #endif  // UI_WM_CORE_ACCELERATOR_FILTER_H_