Desktop Aura: Allow tab drags out of window.

chrome/browser/ui/views/tabs/tab_drag_controller.h

Index: chrome/browser/ui/views/tabs/tab_drag_controller.h
diff --git a/chrome/browser/ui/views/tabs/tab_drag_controller.h b/chrome/browser/ui/views/tabs/tab_drag_controller.h
index dd9f68dc2789890ea6ecff5df6290b9bb7c44b8b..58b8b06af9e9b0ef8f1c889c7437341478228d8e 100644
--- a/chrome/browser/ui/views/tabs/tab_drag_controller.h
+++ b/chrome/browser/ui/views/tabs/tab_drag_controller.h
@@ -321,7 +321,7 @@ class TabDragController : public content::WebContentsDelegate,
   void DetachIntoNewBrowserAndRunMoveLoop(const gfx::Point& point_in_screen);
 
   // Runs a nested message loop that handles moving the current Browser.
-  void RunMoveLoop();
+  void RunMoveLoop(const gfx::Point& drag_offset);
 
   // Determines the index to insert tabs at. |dragged_bounds| is the bounds of
   // the tabs being dragged, |start| the index of the tab to start looking from
@@ -428,6 +428,7 @@ class TabDragController : public content::WebContentsDelegate,
   // Creates and returns a new Browser to handle the drag.
   Browser* CreateBrowserForDrag(TabStrip* source,
                                 const gfx::Point& point_in_screen,
+                                gfx::Point* drag_offset,
                                 std::vector<gfx::Rect>* drag_bounds);
 
   // Returns the TabStripModel for the specified tabstrip.