Delete unused chrome://fallback-icon/ handling

components/favicon/core/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.
 
 static_library("core") {
   sources = [
     "fallback_url_util.cc",
     "fallback_url_util.h",
     "favicon_client.h",
     "favicon_driver.cc",
@@ skipping 25 matching lines @@
     "//components/favicon_base",
     "//components/history/core/browser",
     "//components/image_fetcher/core",
     "//components/keyed_service/core",
     "//net:net",
     "//skia",
     "//ui/base",
     "//ui/gfx",
     "//url",
   ]
-  if (!is_ios) {
-    deps += [ "//cc/paint" ]
-    sources += [
-      "fallback_icon_client.h",
-      "fallback_icon_service.cc",
-      "fallback_icon_service.h",
-    ]
-  }
 }
 
 source_set("unit_tests") {
   testonly = true
   sources = [
     "fallback_url_util_unittest.cc",
     "favicon_handler_unittest.cc",
     "favicon_service_impl_unittest.cc",
     "large_icon_service_unittest.cc",
   ]
@@ skipping 10 matching lines @@
     "//components/variations:test_support",
     "//skia",
     "//testing/gmock",
     "//testing/gtest",
     "//ui/base",
     "//ui/gfx",
     "//ui/gfx:test_support",
     "//url",
   ]
 }