Support dragging texts out of webview/Chrome.

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

 // Copyright 2012 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.
 
 package org.chromium.ui.base;
 
+import android.graphics.Bitmap;
 import android.view.View;
 
 /**
  * Interface to acquire and release anchor views from the implementing 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.
      * @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.
      */
     void setAnchorViewPosition(View view, float x, float y, float width, float height);
 
     /**
      * Release given anchor view.
      * @param anchorView The anchor view that needs to be released.
      */
     void releaseAnchorView(View anchorView);
+
+    /**
+     * Drag the text out of current view.
+     * @param text the dragged text.

[Theresa, 2016/07/13 22:55:42]

nit: capitalize "The" here and a below

[hush (inactive), 2016/07/14 18:42:09]

Done.

+     * @param shadowImage the shadow image for the dragged text.
+     */
+    void startDragAndDrop(String text, Bitmap shadowImage);
 }