[Android] Refactor NativeView to be able to use it for AutofillDialog.

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

Index: ui/android/java/src/org/chromium/ui/gfx/ActivityWindowAndroid.java
diff --git a/ui/android/java/src/org/chromium/ui/gfx/ActivityNativeWindow.java b/ui/android/java/src/org/chromium/ui/gfx/ActivityWindowAndroid.java
similarity index 97%
rename from ui/android/java/src/org/chromium/ui/gfx/ActivityNativeWindow.java
rename to ui/android/java/src/org/chromium/ui/gfx/ActivityWindowAndroid.java
index 821a8a8cb500e522dce0401622dad09c68b8c23d..4a88ec12cc09cb83e963110f34e7f23b4d26c9e6 100644
--- a/ui/android/java/src/org/chromium/ui/gfx/ActivityNativeWindow.java
+++ b/ui/android/java/src/org/chromium/ui/gfx/ActivityWindowAndroid.java
@@ -17,7 +17,7 @@ import java.util.HashMap;
  * The window that has access to the main activity and is able to create and receive intents,
  * and show error messages.
  */
-public class ActivityNativeWindow extends NativeWindow {
+public class ActivityWindowAndroid extends WindowAndroid {
 
     // Constants used for intent request code bounding.
     private static final int REQUEST_CODE_PREFIX = 1000;
@@ -33,7 +33,7 @@ public class ActivityNativeWindow extends NativeWindow {
     /**
      * @param activity
      */
-    public ActivityNativeWindow(Activity activity) {
+    public ActivityWindowAndroid(Activity activity) {
         super(activity);
         mActivity = activity;
         mOutstandingIntents = new SparseArray<IntentCallback>();