ChromeOS MD: Fix cannot drag tab onto immersive fullscreen window

chrome/browser/ui/views/tabs/tab_drag_controller.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 CHROME_BROWSER_UI_VIEWS_TABS_TAB_DRAG_CONTROLLER_H_
 #define CHROME_BROWSER_UI_VIEWS_TABS_TAB_DRAG_CONTROLLER_H_
 
 #include <stddef.h>
 
 #include <memory>
@@ skipping 266 matching lines @@
 
   // Returns the TabStrip for the specified window, or NULL if one doesn't exist
   // or isn't compatible.
   TabStrip* GetTabStripForWindow(gfx::NativeWindow window);
 
   // Returns the compatible TabStrip to drag to at the specified point (screen
   // coordinates), or NULL if there is none.
   Liveness GetTargetTabStripForPoint(const gfx::Point& point_in_screen,
                                      TabStrip** tab_strip);
 
-  // Returns true if |tabstrip| contains the specified point in screen
-  // coordinates.
+  // Returns true if |window|'s |tabstrip| contains the specified point in
+  // screen coordinates.
   bool DoesTabStripContain(TabStrip* tabstrip,
-                           const gfx::Point& point_in_screen) const;
+                           const gfx::Point& point_in_screen,
+                           gfx::NativeWindow window) const;
 
   // Returns the DetachPosition given the specified location in screen
   // coordinates.
   DetachPosition GetDetachPosition(const gfx::Point& point_in_screen);
 
   // Attach the dragged Tab to the specified TabStrip.
   void Attach(TabStrip* attached_tabstrip, const gfx::Point& point_in_screen);
 
   // Detach the dragged Tab from the current TabStrip.
   void Detach(ReleaseCapture release_capture);
@@ skipping 299 matching lines @@
   std::unique_ptr<ui::EventHandler> escape_tracker_;
 
   std::unique_ptr<WindowFinder> window_finder_;
 
   base::WeakPtrFactory<TabDragController> weak_factory_;
 
   DISALLOW_COPY_AND_ASSIGN(TabDragController);
 };
 
 #endif  // CHROME_BROWSER_UI_VIEWS_TABS_TAB_DRAG_CONTROLLER_H_