Factor out ContentViewAndroidDelegate

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

Index: ui/android/java/src/org/chromium/ui/base/ViewAndroidDelegate.java
diff --git a/ui/android/java/src/org/chromium/ui/base/ViewAndroidDelegate.java b/ui/android/java/src/org/chromium/ui/base/ViewAndroidDelegate.java
index 6d3694cc9bfe1304dd81fce41b8c3691be883f0a..5b5c88c630c6de5c584be58ea09755021a43b750 100644
--- a/ui/android/java/src/org/chromium/ui/base/ViewAndroidDelegate.java
+++ b/ui/android/java/src/org/chromium/ui/base/ViewAndroidDelegate.java
@@ -12,19 +12,16 @@ import android.view.View;
 public interface ViewAndroidDelegate {
 
     /**
-     * @return An anchor view that can be used to anchor decoration views like Autofill popup.
-     */
-    View acquireAnchorView();
-
-    /**
-     * Set the anchor view to specified position and width (all units in dp).
-     * @param view The anchor view that needs to be positioned.
+     * Add a view used to anchor decoration views like Autofill popup, and
+     * set the anchor view to specified position and width (all units in dp).
+     * @param anchorView The anchor view that needs to be positioned.
      * @param x X coordinate of the top left corner of the anchor view.
      * @param y Y coordinate of the top left corner of the anchor view.
      * @param width The width of the anchor view.
      * @param height The height of the anchor view.
+     * @return A newly added view
      */
-    void setAnchorViewPosition(View view, float x, float y, float width, float height);
+    void addView(View anchorView, float x, float y, float width, float height);
 
     /**
      * Release given anchor view.