Prevent title-only panel from fully minimizing when attention is cleared if mouse is in the panel o…

chrome/browser/ui/panels/panel_mouse_watcher.h

 // Copyright (c) 2011 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_PANELS_PANEL_MOUSE_WATCHER_H_
 #define CHROME_BROWSER_UI_PANELS_PANEL_MOUSE_WATCHER_H_
 #pragma once
 
 #include "base/gtest_prod_util.h"
 #include "base/observer_list.h"
@@ skipping 11 matching lines @@
  public:
   // Returns an instance of the platform specific implementation.
   static PanelMouseWatcher* Create();
 
   // clang gives an error asking for an out of line destructor.
   virtual ~PanelMouseWatcher();
 
   void AddObserver(PanelMouseWatcherObserver* observer);
   void RemoveObserver(PanelMouseWatcherObserver* observer);
 
+  // Returns current mouse position. This may be different from the
+  // mouse position in NotifyMouseMovement.
+  virtual gfx::Point GetMousePosition() const = 0;
+
  protected:
   PanelMouseWatcher();
 
   // |mouse_position| is in screen coordinates.
-  void NotifyMouseMovement(const gfx::Point& mouse_position);
+  virtual void NotifyMouseMovement(const gfx::Point& mouse_position);
 
   // Returns true if watching mouse movements.
   virtual bool IsActive() const = 0;
 
  private:
   friend class PanelMouseWatcherTest;
   FRIEND_TEST_ALL_PREFIXES(PanelMouseWatcherTest, StartStopWatching);
   friend class BasePanelBrowserTest;
   FRIEND_TEST_ALL_PREFIXES(PanelOverflowBrowserTest, FullScreenMode);
 
   // Start/stop tracking mouse movements.
   virtual void Start() = 0;
   virtual void Stop() = 0;
 
   ObserverList<PanelMouseWatcherObserver> observers_;
 };
 
 #endif  // CHROME_BROWSER_UI_PANELS_PANEL_MOUSE_WATCHER_H_