Support dragging texts out of webview/Chrome.

content/browser/web_contents/web_contents_view_android.h

 // Copyright (c) 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.
 
 #ifndef CONTENT_BROWSER_WEB_CONTENTS_WEB_CONTENTS_VIEW_ANDROID_H_
 #define CONTENT_BROWSER_WEB_CONTENTS_WEB_CONTENTS_VIEW_ANDROID_H_
 
 #include <memory>
 
 #include "base/macros.h"
@@ skipping 68 matching lines @@
 
   void OnDragEntered(const std::vector<DropData::Metadata>& metadata,
                      const gfx::Point& location,
                      const gfx::Point& screen_location);
   void OnDragUpdated(const gfx::Point& location,
                      const gfx::Point& screen_location);
   void OnDragExited();
   void OnPerformDrop(DropData* drop_data,
                      const gfx::Point& location,
                      const gfx::Point& screen_location);
+  void OnDragEnded();
 
  private:
   // The WebContents whose contents we display.
   WebContentsImpl* web_contents_;
 
   // ContentViewCoreImpl is our interface to the view system.
   ContentViewCoreImpl* content_view_core_;
 
   // Interface for extensions to WebContentsView. Used to show the context menu.
   std::unique_ptr<WebContentsViewDelegate> delegate_;
 
   DISALLOW_COPY_AND_ASSIGN(WebContentsViewAndroid);
 };
 
 } // namespace content
 
 #endif  // CONTENT_BROWSER_WEB_CONTENTS_WEB_CONTENTS_VIEW_ANDROID_H_