Remove TYPE_EXTENSION_APP. Experiment failed.

chrome/browser/browser.h

 // Copyright (c) 2010 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_BROWSER_H_
 #define CHROME_BROWSER_BROWSER_H_
 #pragma once
 
 #include <map>
 #include <set>
@@ skipping 43 matching lines @@
                 public ProfileSyncServiceObserver {
  public:
   // If you change the values in this enum you'll need to update browser_proxy.
   // TODO(sky): move into a common place that is referenced by both ui_tests
   // and chrome.
   enum Type {
     TYPE_NORMAL = 1,
     TYPE_POPUP = 2,
     // The old-style app created via "Create application shortcuts".
     TYPE_APP = 4,
-    // The new-style app created by installing a crx. This kinda needs to be
-    // separate because we require larger icons and an application name that
-    // are found in the crx. If we ever decide to create this kind of app using
-    // some other system (eg some web standard), maybe we should generalize this
-    // name to TYPE_MULTITAB or something.
-    TYPE_EXTENSION_APP = 8,
     TYPE_APP_POPUP = TYPE_APP | TYPE_POPUP,
     TYPE_DEVTOOLS = TYPE_APP | 16,
     TYPE_APP_PANEL = TYPE_APP | 32,
     TYPE_ANY = TYPE_NORMAL |
                TYPE_POPUP |
                TYPE_APP |
-               TYPE_EXTENSION_APP |
                TYPE_DEVTOOLS |
                TYPE_APP_PANEL
   };
 
   // Possible elements of the Browser window.
   enum WindowFeature {
     FEATURE_NONE = 0,
     FEATURE_TITLEBAR = 1,
     FEATURE_TABSTRIP = 2,
     FEATURE_TOOLBAR = 4,
@@ skipping 994 matching lines @@
   mutable BooleanPrefMember use_vertical_tabs_;
 
   // The profile's tab restore service. The service is owned by the profile,
   // and we install ourselves as an observer.
   TabRestoreService* tab_restore_service_;
 
   DISALLOW_COPY_AND_ASSIGN(Browser);
 };
 
 #endif  // CHROME_BROWSER_BROWSER_H_