Fix coordinates in tab detach &drag code and multi window resizer.

ash/wm/workspace/multi_window_resize_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 ASH_WM_WORKSPACE_MULTI_WINDOW_RESIZE_CONTROLLER_H_
 #define ASH_WM_WORKSPACE_MULTI_WINDOW_RESIZE_CONTROLLER_H_
 
 #include <vector>
 
 #include "ash/ash_export.h"
@@ skipping 104 matching lines @@
   // Hides the window after a delay.
   void DelayedHide();
 
   // Shows the widget immediately.
   void ShowNow();
 
   // Returns true if the widget is showing.
   bool IsShowing() const;
 
   // Initiates a resize.
-  void StartResize(const gfx::Point& screen_location);
+  void StartResize(const gfx::Point& location_in_screen);
 
   // Resizes to the new location.
-  void Resize(const gfx::Point& screen_location, int event_flags);
+  void Resize(const gfx::Point& location_in_screen, int event_flags);
 
   // Completes the resize.
   void CompleteResize(int event_flags);
 
   // Cancels the resize.
   void CancelResize();
 
   // Returns the bounds for the resize widget.
-  gfx::Rect CalculateResizeWidgetBounds(const gfx::Point& location) const;
+  gfx::Rect CalculateResizeWidgetBounds(
+      const gfx::Point& location_in_parent) const;
 
-  // Returns true if |screen_location| is over the resize windows (or the resize
-  // widget itself).
-  bool IsOverWindows(const gfx::Point& screen_location) const;
+  // Returns true if |location_in_screen| is over the resize windows
+  // (or the resize widget itself).
+  bool IsOverWindows(const gfx::Point& location_in_screen) const;
 
-  // Returns true if |screen_location| is over |window|.
+  // Returns true if |location_in_screen| is over |window|.
   bool IsOverWindow(aura::Window* window,
-                    const gfx::Point& screen_location,
+                    const gfx::Point& location_in_screen,
                     int component) const;
 
   // Windows and direction to resize.
   ResizeWindows windows_;
 
   // Timer before hiding.
   base::OneShotTimer<MultiWindowResizeController> hide_timer_;
 
   // Timer used before showing.
   base::OneShotTimer<MultiWindowResizeController> show_timer_;
 
   views::Widget* resize_widget_;
 
   // If non-null we're in a resize loop.
   scoped_ptr<WorkspaceWindowResizer> window_resizer_;
 
-  // Mouse coordinate passed to Show().
-  gfx::Point show_location_;
+  // Mouse coordinate passed to Show() in container's coodinates.
+  gfx::Point show_location_in_parent_;
 
-  // Bounds the widget was last shown at.
-  gfx::Rect show_bounds_;
+  // Bounds the widget was last shown at in screen coordinates.
+  gfx::Rect show_bounds_in_screen_;
 
   // Size of the grid.
   int grid_size_;
 
   // Used to detect whether the mouse is over the windows. While
   // |resize_widget_| is non-NULL (ie the widget is showing) we ignore calls
   // to Show().
   scoped_ptr<views::MouseWatcher> mouse_watcher_;
 
   DISALLOW_COPY_AND_ASSIGN(MultiWindowResizeController);
 };
 
 }  // namespace internal
 }  // namespace ash
 
 #endif  // ASH_WM_WORKSPACE_MULTI_WINDOW_RESIZE_CONTROLLER_H_