Revert of DevTools: account for the display scale factor while validating manifest under emulation.

chrome/chrome_browser.gypi

 # Copyright 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.
 
 {
   'variables': {
     # All .cc, .h, .m, and .mm files under browser except for:
     # * tests and mocks.
     # * code below browser/chromeos
     # * code below browser/extensions
@@ skipping 1153 matching lines @@
       'browser/accessibility/invert_bubble_prefs.cc',
       'browser/accessibility/invert_bubble_prefs.h',
       'browser/background/background_contents.cc',
       'browser/background/background_contents.h',
       'browser/banners/app_banner_data_fetcher_desktop.cc',
       'browser/banners/app_banner_data_fetcher_desktop.h',
       'browser/banners/app_banner_infobar_delegate_desktop.cc',
       'browser/banners/app_banner_infobar_delegate_desktop.h',
       'browser/banners/app_banner_manager_desktop.cc',
       'browser/banners/app_banner_manager_desktop.h',
-      'browser/banners/app_banner_manager_emulation.cc',
-      'browser/banners/app_banner_manager_emulation.h',
       'browser/bookmarks/bookmark_html_writer.cc',
       'browser/bookmarks/bookmark_html_writer.h',
       'browser/certificate_viewer.cc',
       'browser/certificate_viewer.h',
       'browser/chrome_browser_field_trials_desktop.cc',
       'browser/chrome_browser_field_trials_desktop.h',
       'browser/chrome_browser_main_posix.cc',
       'browser/chrome_browser_main_posix.h',
       'browser/chrome_process_singleton.cc',
       'browser/chrome_process_singleton.h',
@@ skipping 3078 matching lines @@
             '../components/components.gyp:rlz',
             '../components/components.gyp:search_engines',
             '../rlz/rlz.gyp:rlz_lib',
             'common',
           ],
         },
       ],
     }],
   ],
 }