Added HostedAppLaunch for testing hosted app shims on Mac.

chrome/browser/apps/app_browsertest_util.h

 // Copyright 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.
 
 #ifndef CHROME_BROWSER_APPS_APP_BROWSERTEST_UTIL_H_
 #define CHROME_BROWSER_APPS_APP_BROWSERTEST_UTIL_H_
 
 #include "chrome/browser/extensions/extension_apitest.h"
 #include "extensions/browser/app_window/app_window.h"
 
@@ skipping 28 matching lines @@
       ExtensionTestMessageListener* listener);
 
   // Runs the app named |name| out of the platform_apps subdirectory. Waits
   // until the given message is received from the app.
   const Extension* LoadAndLaunchPlatformApp(const char* name,
                                             const std::string& message);
 
   // Installs the app named |name| out of the platform_apps subdirectory.
   const Extension* InstallPlatformApp(const char* name);
 
+  // Installs the sample hosted app.
+  const Extension* InstallHostedApp();
+
   // Installs and runs the app named |name| out of the platform_apps
   // subdirectory. Waits until it is launched.
   const Extension* InstallAndLaunchPlatformApp(const char* name);
 
   // Launch the given platform app.
   virtual void LaunchPlatformApp(const Extension* extension);
 
+  // Launch the given hosted app.
+  virtual void LaunchHostedApp(const Extension* extension);
+
   // Gets the WebContents associated with the first app window that is found
   // (most tests only deal with one platform app window, so this is good
   // enough).
   content::WebContents* GetFirstAppWindowWebContents();
 
   // Gets the first app window that is found (most tests only deal with one
   // platform app window, so this is good enough).
   AppWindow* GetFirstAppWindow();
 
   // Gets the first app window for an app.
@@ skipping 51 matching lines @@
 };
 
 class ExperimentalPlatformAppBrowserTest : public PlatformAppBrowserTest {
  public:
   void SetUpCommandLine(base::CommandLine* command_line) override;
 };
 
 }  // namespace extensions
 
 #endif  // CHROME_BROWSER_APPS_APP_BROWSERTEST_UTIL_H_