MD Settings: implement "RESTART" button for hardware acceleration to take effect

chrome/browser/resources/settings/system_page/system_page_browser_proxy.js

Index: chrome/browser/resources/settings/system_page/system_page_browser_proxy.js
diff --git a/chrome/browser/resources/settings/system_page/system_page_browser_proxy.js b/chrome/browser/resources/settings/system_page/system_page_browser_proxy.js
new file mode 100644
index 0000000000000000000000000000000000000000..654e6afc93ed09473b742c02e3bc4d30a151937a
--- /dev/null
+++ b/chrome/browser/resources/settings/system_page/system_page_browser_proxy.js
@@ -0,0 +1,54 @@
+// 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.
+
+/** @fileoverview Handles interprocess communcation for the system page. */
+
+cr.define('settings', function() {
+  /** @interface */
+  function SystemPageBrowserProxy() {}
+
+  SystemPageBrowserProxy.prototype = {
+    /** Allows the user to change native system proxy settings. */
+    changeProxySettings: function() {},
+
+    /** Restarts Chrome so "Use hardware acceleration" can take effect. */
+    restartBrowser: function() {},
+
+    /**
+     * @return {boolean} Whether hardware acceleration was enabled when the user
+     *     started Chrome.
+     */
+    wasHardwareAccelerationEnabledAtStartup: function() {},
+  };
+
+  /**
+   * @constructor
+   * @implements {settings.SystemPageBrowserProxy}
+   */
+  function SystemPageBrowserProxyImpl() {}
+
+  cr.addSingletonGetter(SystemPageBrowserProxyImpl);
+
+  SystemPageBrowserProxyImpl.prototype = {
+    /** @override */
+    changeProxySettings: function() {
+      chrome.send('changeProxySettings');
+    },
+
+    /** @override */
+    restartBrowser: function() {
+      chrome.send('restartBrowser');
+    },
+
+    /** @override */
+    wasHardwareAccelerationEnabledAtStartup: function() {
+      return loadTimeData.getBoolean('hardwareAccelerationEnabledAtStartup');
+    },
+  };
+
+  return {
+    SystemPageBrowserProxy: SystemPageBrowserProxy,
+    SystemPageBrowserProxyImpl: SystemPageBrowserProxyImpl,
+  };
+});