Implement scriptBadge.requestToAct.

chrome/browser/extensions/api/extension_action/extension_script_badge_api.cc

+// 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.
+
+#include "chrome/browser/extensions/api/extension_action/extension_script_badge_api.h"
+
+#include "chrome/browser/extensions/extension_tab_helper.h"
+#include "chrome/browser/extensions/location_bar_controller.h"
+#include "content/public/browser/web_contents.h"
+
+ScriptBadgeRequestToActFunction::~ScriptBadgeRequestToActFunction() {}
+
+bool ScriptBadgeRequestToActFunction::RunExtensionAction() {
+  // Do nothing if the extension already has access to this page or
+  // can never be granted access.
+  if (!GetExtension()->CanRequestToActOnPage(
+          tab_helper().web_contents()->GetURL(), tab_id_)) {
+    return true;
+  }
+
+  tab_helper().location_bar_controller()->
+      RequestScriptPermission(extension_id());
+  return true;
+}