Make WebView work for external displays (over Presentations).

ui/android/java/src/org/chromium/ui/base/ActivityWindowAndroid.java

Index: ui/android/java/src/org/chromium/ui/base/ActivityWindowAndroid.java
diff --git a/ui/android/java/src/org/chromium/ui/base/ActivityWindowAndroid.java b/ui/android/java/src/org/chromium/ui/base/ActivityWindowAndroid.java
index 128d961758c91f5146e80d9b254338a9393e22d0..f9e8f91b44a84784a283ab52a6bd285e7bda9193 100644
--- a/ui/android/java/src/org/chromium/ui/base/ActivityWindowAndroid.java
+++ b/ui/android/java/src/org/chromium/ui/base/ActivityWindowAndroid.java
@@ -7,6 +7,7 @@ package org.chromium.ui.base;
 import android.app.Activity;
 import android.app.PendingIntent;
 import android.content.ActivityNotFoundException;
+import android.content.Context;
 import android.content.Intent;
 import android.content.IntentSender.SendIntentException;
 import android.content.SharedPreferences;
@@ -58,7 +59,7 @@ public class ActivityWindowAndroid
      * @param activity The activity associated with the WindowAndroid.
      */
     public ActivityWindowAndroid(Activity activity) {
-        this(activity, true);
+        this(activity, true, activity.getApplicationContext());
     }
 
     /**
@@ -66,8 +67,9 @@ public class ActivityWindowAndroid
      * @param activity The activity associated with the WindowAndroid.
      * @param listenToActivityState Whether to listen to activity state changes.
      */
-    public ActivityWindowAndroid(Activity activity, boolean listenToActivityState) {
-        super(activity.getApplicationContext());
+    public ActivityWindowAndroid(
+            Activity activity, boolean listenToActivityState, Context displayContext) {
+        super(activity.getApplicationContext(), displayContext);
         mActivityRef = new WeakReference<Activity>(activity);
         mHandler = new Handler();
         mOutstandingPermissionRequests = new SparseArray<PermissionCallback>();