Remove usages of RootView from View by moving relevant RootView API methods t...

views/widget/widget.h

 // Copyright (c) 2006-2008 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 VIEWS_WIDGET_WIDGET_H_
 #define VIEWS_WIDGET_WIDGET_H_
 #pragma once
 
 #include <vector>
 
 #include "ui/gfx/native_widget_types.h"
 
 namespace gfx {
 class Path;
 class Point;
 class Rect;
 }
 
 namespace ui {
 class Accelerator;
+class OSExchangeData;
 class ThemeProvider;
 }
 using ui::ThemeProvider;
 
 namespace views {
 
 class FocusManager;
 class RootView;
 class TooltipManager;
 class View;
@@ skipping 190 matching lines @@
   // Note that all widgets in a widget hierarchy share the same focus manager.
   virtual FocusManager* GetFocusManager() = 0;
 
   // Forwarded from the RootView so that the widget can do any cleanup.
   virtual void ViewHierarchyChanged(bool is_add, View *parent,
                                     View *child) = 0;
 
   // Returns true if the native view |native_view| is contained in the
   // views::View hierarchy rooted at this widget.
   virtual bool ContainsNativeView(gfx::NativeView native_view) = 0;
+
+  // Starts a drag operation for the specified view. This blocks until done.
+  // If the view has not been deleted during the drag, OnDragDone is invoked
+  // on the view.
+  // NOTE: |view| may be NULL.
+  virtual void StartDragForViewFromMouseEvent(View* view,
+                                              const ui::OSExchangeData& data,
+                                              int operation) = 0;
+
+  // If a view is dragging, this returns it. Otherwise returns NULL.
+  virtual View* GetDraggedView() = 0;
 };
 
 }  // namespace views
 
 #endif // VIEWS_WIDGET_WIDGET_H_