Added proper extension manifest parser for launcher_page.

chrome/common/extensions/manifest_tests/extension_manifests_launcher_page_unittest.cc

+// Copyright 2014 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 "base/command_line.h"
+#include "chrome/common/extensions/manifest_tests/extension_manifest_test.h"
+#include "extensions/common/constants.h"
+#include "extensions/common/extension.h"
+#include "extensions/common/manifest_handlers/launcher_page_info.h"
+#include "extensions/common/switches.h"
+#include "testing/gtest/include/gtest/gtest.h"
+
+namespace extensions {
+
+namespace {
+
+// The ID of test manifests requiring whitelisting.
+const char kWhitelistID[] = "lmadimbbgapmngbiclpjjngmdickadpl";
+
+}  // namespace
+
+typedef ExtensionManifestTest LauncherPageManifestTest;
+
+TEST_F(LauncherPageManifestTest, ValidLauncherPage) {
+  CommandLine::ForCurrentProcess()->AppendSwitchASCII(
+      extensions::switches::kWhitelistedExtensionID, kWhitelistID);
+  scoped_refptr<extensions::Extension> extension(
+      LoadAndExpectSuccess("init_valid_launcher_page.json"));
+  ASSERT_TRUE(extension.get());
+  extensions::LauncherPageInfo* info =
+      extensions::LauncherPageHandler::GetInfo(extension.get());
+  ASSERT_TRUE(info);
+  EXPECT_EQ("test.html", info->page);
+}
+
+}  // namespace extensions