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

chrome/browser/extensions/platform_app_browsertest_util.cc

Index: chrome/browser/extensions/platform_app_browsertest_util.cc
diff --git a/chrome/browser/extensions/platform_app_browsertest_util.cc b/chrome/browser/extensions/platform_app_browsertest_util.cc
index 6910676e76d05d0e8dc28285665f7a3079d00fa3..a722eb590f43465756c4dcc0d13fa7a596aad27a 100644
--- a/chrome/browser/extensions/platform_app_browsertest_util.cc
+++ b/chrome/browser/extensions/platform_app_browsertest_util.cc
@@ -46,6 +46,25 @@ const Extension* PlatformAppBrowserTest::LoadAndLaunchPlatformApp(
   return extension;
 }
 
+const Extension* PlatformAppBrowserTest::InstallAndLaunchPlatformApp(
+    const char* name) {
+  content::WindowedNotificationObserver app_loaded_observer(
+      content::NOTIFICATION_LOAD_COMPLETED_MAIN_FRAME,
+      content::NotificationService::AllSources());
+
+  const Extension* extension = InstallExtension(
+      test_data_dir_.AppendASCII("platform_apps").AppendASCII(name), 1);
+  EXPECT_TRUE(extension);
+
+  application_launch::OpenApplication(application_launch::LaunchParams(
+          browser()->profile(), extension, extension_misc::LAUNCH_NONE,
+          NEW_WINDOW));
+
+  app_loaded_observer.Wait();
+
+  return extension;
+}
+
 WebContents* PlatformAppBrowserTest::GetFirstShellWindowWebContents() {
   ShellWindow* window = GetFirstShellWindow();
   if (window)