Allow platform apps to add themselves to the Action Box.

chrome/common/extensions/api/page_launcher/page_launcher_handler.cc

+// Copyright (c) 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.
+
+#include "chrome/common/extensions/api/page_launcher/page_launcher_handler.h"
+
+#include "base/utf_string_conversions.h"
+#include "base/values.h"
+#include "chrome/common/extensions/api/extension_action/action_info.h"
+#include "chrome/common/extensions/extension.h"
+#include "chrome/common/extensions/extension_manifest_constants.h"
+#include "chrome/common/extensions/manifest_handler_helpers.h"
+
+namespace keys = extension_manifest_keys;
+
+namespace extensions {
+
+PageLauncherHandler::PageLauncherHandler() {
+}
+
+PageLauncherHandler::~PageLauncherHandler() {
+}
+
+bool PageLauncherHandler::Parse(const base::Value* value,
+                                Extension* extension,
+                                string16* error) {
+  const base::DictionaryValue* dict;
+  if (!value->GetAsDictionary(&dict)) {
+    *error = ASCIIToUTF16(extension_manifest_errors::kInvalidPageLauncher);
+    return false;
+  }
+
+  scoped_ptr<ActionInfo> action_info =
+      manifest_handler_helpers::LoadActionInfo(extension, dict, error);
+  if (!action_info)
+    return false;
+
+  ActionInfo::SetPageLauncherInfo(extension, action_info.release());
+  return true;
+}
+
+}  // namespace extensions