Introduce AndroidFocusRules and NativeWidgetAndroid

ui/views/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/features.gni")
 import("//build/config/ui.gni")
 import("//testing/test.gni")
 
 gypi_values = exec_script("//build/gypi_to_gn.py",
                           [ rebase_path("views.gyp") ],
@@ skipping 109 matching lines @@
         configs += [ "//ui/accessibility:atk" ]
       } else if (is_win) {
         sources += gypi_values.views_desktop_aura_win_sources
       } else if (use_ozone) {
         sources += gypi_values.views_desktop_aura_ozone_sources
       }
       if (is_linux) {
         sources += gypi_values.views_desktop_aura_linux_sources
       }
     }
+    if (is_android) {
+      sources += gypi_values.views_android_sources
+    }
   }
 
   if (is_mac) {
     deps += [ "//ui/accelerated_widget_mac" ]
     libs = [
       # Required by bridged_native_widget.mm.
       "QuartzCore.framework",
     ]
   }
 }
@@ skipping 155 matching lines @@
       "//skia",
       "//testing/gtest",
       "//ui/base:test_support",
       "//ui/compositor",
       "//ui/resources",
       "//ui/resources:ui_test_pak",
       "//ui/strings",
     ]
   }
 }