Initial check-in of gesture config WebUI.

chrome/browser/ui/webui/gesture_config_ui.h

+// Copyright (c) 2012 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_WEBUI_GESTURE_CONFIG_UI_H_
+#define CHROME_BROWSER_UI_WEBUI_GESTURE_CONFIG_UI_H_
+#pragma once
+
+#include "content/public/browser/web_ui_controller.h"
+
+namespace base {
+  class ListValue;
+}  // namespace base
+
+// The WebUI for 'chrome://gesture'.
+class GestureConfigUI : public content::WebUIController {
+ public:
+  // Constructs a new GestureConfig for the specified |web_ui|.
+  explicit GestureConfigUI(content::WebUI* web_ui);
+  virtual ~GestureConfigUI();
+
+ private:
+  /**
+   * Request a preference setting's value.
+   * This method is asynchronous; the result is provided by a call to
+   * the JS method 'gesture_config.getPreferenceValueResult'.
+   */
+  void GetPreferenceValue(const base::ListValue* args);
+
+  /**
+   * Set a preference setting's value.
+   * Two parameters are provided in a JS list: prefName and value, the
+   * key of the preference value to be set, and the value it's to be set to.
+   */
+  void SetPreferenceValue(const base::ListValue* args);
+
+  DISALLOW_COPY_AND_ASSIGN(GestureConfigUI);
+};
+
+#endif  // CHROME_BROWSER_UI_WEBUI_GESTURE_CONFIG_UI_H_