Add EventForwarder for routing touch events

content/public/android/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/android/config.gni")
 import("//build/config/android/rules.gni")
 
 android_aidl("common_aidl") {
   interface_file = "java/src/org/chromium/content/common/common.aidl"
   import_include = "java/src"
@@ skipping 126 matching lines @@
     "java/src/org/chromium/content/browser/MediaResourceGetter.java",
     "java/src/org/chromium/content/browser/MediaSessionImpl.java",
     "java/src/org/chromium/content/browser/MediaThrottler.java",
     "java/src/org/chromium/content/browser/MemoryMonitorAndroid.java",
     "java/src/org/chromium/content/browser/MotionEventSynthesizer.java",
     "java/src/org/chromium/content/browser/NfcFactory.java",
     "java/src/org/chromium/content/browser/PepperPluginManager.java",
     "java/src/org/chromium/content/browser/PopupZoomer.java",
     "java/src/org/chromium/content/browser/PositionObserver.java",
     "java/src/org/chromium/content/browser/RenderCoordinates.java",
-    "java/src/org/chromium/content/browser/SPenSupport.java",
     "java/src/org/chromium/content/browser/ScreenOrientationProvider.java",
     "java/src/org/chromium/content/browser/SelectionPopupController.java",
     "java/src/org/chromium/content/browser/SmartClipProvider.java",
     "java/src/org/chromium/content/browser/SpeechRecognition.java",
     "java/src/org/chromium/content/browser/TracingControllerAndroid.java",
     "java/src/org/chromium/content/browser/ViewPositionObserver.java",
     "java/src/org/chromium/content/browser/WindowAndroidProvider.java",
     "java/src/org/chromium/content/browser/WindowAndroidChangedObserver.java",
     "java/src/org/chromium/content/browser/accessibility/BrowserAccessibilityManager.java",
     "java/src/org/chromium/content/browser/accessibility/KitKatBrowserAccessibilityManager.java",
@@ skipping 298 matching lines @@
     "junit/src/org/chromium/content/browser/input/ThreadedInputConnectionTest.java",
     "junit/src/org/chromium/content/browser/picker/DateDialogNormalizerTest.java",
     "junit/src/org/chromium/content/browser/BindingManagerImplTest.java",
   ]
   deps = [
     ":content_java",
     "//base:base_java",
     "//base:base_java_test_support",
   ]
 }