Aura on Android: Making events work

ui/events/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/ui.gni")
 import("//testing/test.gni")
 
 static_library("dom_keycode_converter") {
   sources = [
     "keycodes/dom/dom_code.h",
@@ skipping 134 matching lines @@
 
   if (!is_chromeos && is_linux) {
     sources += [
       "linux/text_edit_command_auralinux.cc",
       "linux/text_edit_command_auralinux.h",
       "linux/text_edit_key_bindings_delegate_auralinux.cc",
       "linux/text_edit_key_bindings_delegate_auralinux.h",
     ]
   }
 
+  if (use_ozone || (is_android && use_aura)) {
+    sources += [ "events_default.cc" ]
+  }
+
   if (use_ozone) {
-    sources += [ "ozone/events_ozone.cc" ]
+    sources += [
+      "ozone/events_ozone.cc",
+      "ozone/events_ozone.h",
+    ]
     deps += [ "//ui/events/ozone:events_ozone_layout" ]
   }
 
   if (use_aura) {
     sources += [
       "gestures/gesture_provider_aura.cc",
       "gestures/gesture_provider_aura.h",
       "gestures/gesture_recognizer.h",
       "gestures/gesture_recognizer_impl.cc",
       "gestures/gesture_recognizer_impl.h",
       "gestures/motion_event_aura.cc",
       "gestures/motion_event_aura.h",
     ]
   }
 
-  if (is_win || is_mac || use_x11 || use_ozone) {
+  if (is_win || is_mac || use_x11 || use_ozone || (is_android && use_aura)) {
     sources -= [ "events_stub.cc" ]
   }
 }
 
 component("gesture_detection") {
   sources = [
     "gesture_detection/bitset_32.h",
     "gesture_detection/filtered_gesture_provider.cc",
     "gesture_detection/filtered_gesture_provider.h",
     "gesture_detection/gesture_configuration.cc",
@@ skipping 167 matching lines @@
   ]
 
   if (!is_ios) {
     sources += [ "gestures/blink/web_gesture_curve_impl_unittest.cc" ]
     deps += [
       "//third_party/WebKit/public:blink_headers",
       "//ui/events/gestures/blink",
     ]
   }
 
-  data_deps = [ "//third_party/mesa:osmesa" ]
+  data_deps = [
+    "//third_party/mesa:osmesa",
+  ]
 
   include_dirs = [ "//testing/gmock/include" ]
 
   if (use_x11) {
     sources += [
       "devices/x11/device_data_manager_x11_unittest.cc",
       "x/events_x_unittest.cc",
     ]
     configs += [ "//build/config/linux:x11" ]
     deps += [ "//ui/gfx/x" ]
@@ skipping 23 matching lines @@
     ]
   }
 
   if (use_aura) {
     sources += [
       "gestures/gesture_provider_aura_unittest.cc",
       "gestures/motion_event_aura_unittest.cc",
     ]
   }
 }