Support dragging texts out of webview/Chrome.

ui/android/view_android.h

 // Copyright 2013 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 UI_ANDROID_VIEW_ANDROID_H_
 #define UI_ANDROID_VIEW_ANDROID_H_
 
 #include <list>
 
 #include "base/android/scoped_java_ref.h"
@@ skipping 35 matching lines @@
   const base::android::JavaRef<jobject>& GetViewAndroidDelegate() const;
 
   // Used to return and set the layer for this view. May be |null|.
   cc::Layer* GetLayer() const;
   void SetLayer(scoped_refptr<cc::Layer> layer);
 
   // Add/remove this view as a child of another view.
   void AddChild(ViewAndroid* child);
   void RemoveChild(ViewAndroid* child);
 
+  void StartDragAndDrop(const base::android::JavaRef<jstring>& jtext,
+                        const base::android::JavaRef<jobject>& jimage);
+
  private:
   ViewAndroid* parent_;
   std::list<ViewAndroid*> children_;
   WindowAndroid* window_;
   scoped_refptr<cc::Layer> layer_;
   base::android::ScopedJavaGlobalRef<jobject> delegate_;
 
   DISALLOW_COPY_AND_ASSIGN(ViewAndroid);
 };
 
 }  // namespace ui
 
 #endif  // UI_ANDROID_VIEW_ANDROID_H_