[Merge] Make mouse buttons 8 - 11 navigate forward and back in history

chrome/browser/ui/views/frame/browser_command_handler_x11.h

Index: chrome/browser/ui/views/frame/browser_command_handler_x11.h
diff --git a/chrome/browser/ui/views/frame/browser_command_handler_x11.h b/chrome/browser/ui/views/frame/browser_command_handler_x11.h
deleted file mode 100644
index fdc9294c41eb5b3db8a3a8631870763d140f0352..0000000000000000000000000000000000000000
--- a/chrome/browser/ui/views/frame/browser_command_handler_x11.h
+++ /dev/null
@@ -1,27 +0,0 @@
-// 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 CHROME_BROWSER_UI_VIEWS_FRAME_BROWSER_COMMAND_HANDLER_X11_H_
-#define CHROME_BROWSER_UI_VIEWS_FRAME_BROWSER_COMMAND_HANDLER_X11_H_
-
-#include "ui/events/event_handler.h"
-#include "ui/gfx/native_widget_types.h"
-
-class BrowserView;
-
-class BrowserCommandHandlerX11 : public ui::EventHandler {
- public:
-  explicit BrowserCommandHandlerX11(BrowserView* browser_view);
-  ~BrowserCommandHandlerX11() override;
-
- private:
-  // ui::EventHandler:
-  void OnMouseEvent(ui::MouseEvent* event) override;
-
-  BrowserView* browser_view_;
-
-  DISALLOW_COPY_AND_ASSIGN(BrowserCommandHandlerX11);
-};
-
-#endif  // CHROME_BROWSER_UI_VIEWS_FRAME_BROWSER_COMMAND_HANDLER_X11_H_