Remove unreleased web app frame code from ChromeOS

chrome/browser/ui/BUILD.gn

 # Copyright 2014 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.
 
 import("//build/config/chromecast_build.gni")
 import("//build/config/crypto.gni")
 import("//build/config/features.gni")
 import("//build/config/ui.gni")
 import("//build/split_static_library.gni")
 import("//chrome/common/features.gni")
@@ skipping 1913 matching lines @@
         "views/frame/browser_header_painter_ash.cc",
         "views/frame/browser_header_painter_ash.h",
         "views/frame/browser_non_client_frame_view_ash.cc",
         "views/frame/browser_non_client_frame_view_ash.h",
         "views/frame/immersive_context_mus.cc",
         "views/frame/immersive_context_mus.h",
         "views/frame/immersive_handler_factory_mus.cc",
         "views/frame/immersive_handler_factory_mus.h",
         "views/frame/immersive_mode_controller_ash.cc",
         "views/frame/immersive_mode_controller_ash.h",
-        "views/frame/web_app_left_header_view_ash.cc",
-        "views/frame/web_app_left_header_view_ash.h",
         "views/tabs/window_finder_ash.cc",
       ]
     }
   }
   if (use_gio) {
     deps += [ "//build/linux/libgio" ]
   }
   if (use_aura && !use_ozone && is_desktop_linux) {
     # This is the only component that can interact with gtk.
     deps += [ "//chrome/browser/ui/libgtkui" ]
@@ skipping 1549 matching lines @@
       "test/test_confirm_bubble_model.cc",
       "test/test_confirm_bubble_model.h",
     ]
     deps += [ "//chrome/test:test_support_ui" ]
   }
 
   if (enable_extensions) {
     deps += [ "//extensions/browser" ]
   }
 }