Add "inspect background page" to platform app right-click menu.

chrome/browser/extensions/platform_app_browsertest_util.h

 // 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.
 
 #ifndef CHROME_BROWSER_EXTENSIONS_PLATFORM_APP_BROWSERTEST_UTIL_H_
 #define CHROME_BROWSER_EXTENSIONS_PLATFORM_APP_BROWSERTEST_UTIL_H_
 
 
 #include "chrome/browser/extensions/extension_apitest.h"
 
@@ skipping 10 matching lines @@
 
 class PlatformAppBrowserTest : public ExtensionApiTest {
  public:
   virtual void SetUpCommandLine(CommandLine* command_line) OVERRIDE;
 
  protected:
   // Runs the app named |name| out of the platform_apps subdirectory. Waits
   // until it is launched.
   const Extension* LoadAndLaunchPlatformApp(const char* name);
 
+  // Installs and runs the app named |name| out of the platform_apps
+  // subdirectory. Waits until it is launched.
+  const Extension* InstallAndLaunchPlatformApp(const char* name);
+
   // Gets the WebContents associated with the first shell window that is found
   // (most tests only deal with one platform app window, so this is good
   // enough).
   content::WebContents* GetFirstShellWindowWebContents();
 
   // Gets the first shell window that is found (most tests only deal with one
   // platform app window, so this is good enough).
   ShellWindow* GetFirstShellWindow();
 
   // Runs chrome.windows.getAll for the given extension and returns the number
@@ skipping 19 matching lines @@
   // Creates an empty shell window for |extension|.
   ShellWindow* CreateShellWindow(const Extension* extension);
 
   // Closes |window| and waits until it's gone.
   void CloseShellWindow(ShellWindow* window);
 };
 
 }
 
 #endif  // CHROME_BROWSER_EXTENSIONS_PLATFORM_APP_BROWSERTEST_UTIL_H_