Remove ability to launch ephemeral apps from the app launcher.

chrome/browser/apps/ephemeral_app_launcher.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_EPHEMERAL_APP_LAUNCHER_H_
 #define CHROME_BROWSER_APPS_EPHEMERAL_APP_LAUNCHER_H_
 
 #include <string>
 #include <vector>
 
@@ skipping 21 matching lines @@
 // EphemeralAppLauncher manages the launching of ephemeral apps. It handles
 // display of a prompt, initiates install of the app (if necessary) and finally
 // launches the app.
 class EphemeralAppLauncher : public extensions::WebstoreStandaloneInstaller,
                              public content::WebContentsObserver,
                              public ExtensionEnableFlowDelegate {
  public:
   typedef base::Callback<void(extensions::webstore_install::Result result,
                               const std::string& error)> LaunchCallback;
 
-  // Returns true if launching ephemeral apps is enabled.
+  // Returns true if launching ephemeral apps from the webstore is enabled.
   static bool IsFeatureEnabled();
 
-  // Returns true if launching ephemeral apps from the wiebstore is enabled.
-  static bool IsFeatureEnabledInWebstore();
-
   // Create for the app launcher.
   static scoped_refptr<EphemeralAppLauncher> CreateForLauncher(
       const std::string& webstore_item_id,
       Profile* profile,
       gfx::NativeWindow parent_window,
       const LaunchCallback& callback);
 
   // Create for a web contents.
   static scoped_refptr<EphemeralAppLauncher> CreateForWebContents(
       const std::string& webstore_item_id,
@@ skipping 93 matching lines @@
   scoped_ptr<content::WebContents> dummy_web_contents_;
 
   scoped_ptr<ExtensionEnableFlow> extension_enable_flow_;
 
   scoped_ptr<extensions::ExtensionInstallChecker> install_checker_;
 
   DISALLOW_COPY_AND_ASSIGN(EphemeralAppLauncher);
 };
 
 #endif  // CHROME_BROWSER_APPS_EPHEMERAL_APP_LAUNCHER_H_