Add EventForwarder for routing touch events

content/public/android/java/src/org/chromium/content_public/browser/WebContents.java

Index: content/public/android/java/src/org/chromium/content_public/browser/WebContents.java
diff --git a/content/public/android/java/src/org/chromium/content_public/browser/WebContents.java b/content/public/android/java/src/org/chromium/content_public/browser/WebContents.java
index 22d5e911de6f140d120ae69d2c02c1a4436bafd2..6685b4d180b55c201d5146cf89f93ade7eb615aa 100644
--- a/content/public/android/java/src/org/chromium/content_public/browser/WebContents.java
+++ b/content/public/android/java/src/org/chromium/content_public/browser/WebContents.java
@@ -11,6 +11,7 @@ import android.os.Parcelable;
 
 import org.chromium.base.VisibleForTesting;
 import org.chromium.ui.OverscrollRefreshHandler;
+import org.chromium.ui.base.EventHandler;
 
 /**
  * The WebContents Java wrapper to allow communicating with the native WebContents object.
@@ -318,6 +319,12 @@ public interface WebContents extends Parcelable {
     void requestAccessibilitySnapshot(AccessibilitySnapshotCallback callback);
 
     /**
+     * Returns {@link EventHandler} which is used to forward input/view events
+     * to native content layer.
+     */
+    EventHandler getEventHandler();
+
+    /**
      * Add an observer to the WebContents
      *
      * @param observer The observer to add.