Delete the GTK+ port of Chrome.

content/browser/renderer_host/input/web_input_event_builders_gtk.h

-// Copyright 2013 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 CONTENT_BROWSER_RENDERER_HOST_INPUT_WEB_INPUT_EVENT_BUILDERS_GTK_H_
-#define CONTENT_BROWSER_RENDERER_HOST_INPUT_WEB_INPUT_EVENT_BUILDERS_GTK_H_
-
-#include "content/common/content_export.h"
-#include "third_party/WebKit/public/web/WebInputEvent.h"
-#include "ui/events/keycodes/keyboard_codes.h"
-
-typedef struct _GdkEventButton GdkEventButton;
-typedef struct _GdkEventMotion GdkEventMotion;
-typedef struct _GdkEventCrossing GdkEventCrossing;
-typedef struct _GdkEventScroll GdkEventScroll;
-typedef struct _GdkEventKey GdkEventKey;
-
-namespace content {
-
-class CONTENT_EXPORT WebKeyboardEventBuilder {
- public:
-  static blink::WebKeyboardEvent Build(const GdkEventKey* event);
-  static blink::WebKeyboardEvent Build(wchar_t character,
-                                        int state,
-                                        double time_secs);
-};
-
-class CONTENT_EXPORT WebMouseEventBuilder {
- public:
-  static blink::WebMouseEvent Build(const GdkEventButton* event);
-  static blink::WebMouseEvent Build(const GdkEventMotion* event);
-  static blink::WebMouseEvent Build(const GdkEventCrossing* event);
-};
-
-class CONTENT_EXPORT WebMouseWheelEventBuilder {
- public:
-  static float ScrollbarPixelsPerTick();
-  static blink::WebMouseWheelEvent Build(
-      const GdkEventScroll* event);
-};
-
-}  // namespace content
-
-#endif  // CONTENT_BROWSER_RENDERER_HOST_INPUT_WEB_INPUT_EVENT_BUILDERS_GTK_H