Added HostedAppLaunch for testing hosted app shims on Mac.

chrome/browser/apps/app_browsertest_util.cc

Index: chrome/browser/apps/app_browsertest_util.cc
diff --git a/chrome/browser/apps/app_browsertest_util.cc b/chrome/browser/apps/app_browsertest_util.cc
index 56ae8a83d6d9118bed0790adebf63a1a48a39d00..59f913f8ea15d541fece289b99b4646c1afadc65 100644
--- a/chrome/browser/apps/app_browsertest_util.cc
+++ b/chrome/browser/apps/app_browsertest_util.cc
@@ -98,6 +98,14 @@ const Extension* PlatformAppBrowserTest::InstallPlatformApp(
   return extension;
 }
 
+const Extension* PlatformAppBrowserTest::InstallHostedApp() {
+  const Extension* extension =
+      InstallExtension(test_data_dir_.AppendASCII("hosted_app"), 1);
+  EXPECT_TRUE(extension);
+
+  return extension;
+}
+
 const Extension* PlatformAppBrowserTest::InstallAndLaunchPlatformApp(
     const char* name) {
   content::WindowedNotificationObserver app_loaded_observer(
@@ -119,6 +127,13 @@ void PlatformAppBrowserTest::LaunchPlatformApp(const Extension* extension) {
                                   extensions::SOURCE_TEST));
 }
 
+void PlatformAppBrowserTest::LaunchHostedApp(const Extension* extension) {
+  AppLaunchParams launch_params(browser()->profile(), extension,
+                                NEW_FOREGROUND_TAB,
+                                extensions::SOURCE_COMMAND_LINE);
+  OpenApplication(launch_params);
+}
+
 WebContents* PlatformAppBrowserTest::GetFirstAppWindowWebContents() {
   AppWindow* window = GetFirstAppWindow();
   if (window)