Renames two WorkspaceManager methods so that they are more clearly

ash/wm/workspace/workspace_manager.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_MANAGER_H_
 #define ASH_WM_WORKSPACE_MANAGER_H_
 
 #include <vector>
 
 #include "ash/ash_export.h"
@@ skipping 31 matching lines @@
     // At least one window overlaps the shelf.
     WINDOW_STATE_WINDOW_OVERLAPS_SHELF,
 
     // None of the windows are fullscreen, maximized or touch the shelf.
     WINDOW_STATE_DEFAULT,
   };
 
   explicit WorkspaceManager(aura::Window* viewport);
   virtual ~WorkspaceManager();
 
-  // Returns true if |window| should be managed by the WorkspaceManager.
-  bool IsManagedWindow(aura::Window* window) const;
+  // Returns true if |window| should be managed by the WorkspaceManager. Use
+  // Contains() to test if the Window is currently managed by WorkspaceManager.
+  static bool ShouldManageWindow(aura::Window* window);
 
-  // Returns true if the |window| is managed by the WorkspaceManager.
-  bool IsManagingWindow(aura::Window* window) const;
+  // Returns true if |window| has been added to this WorkspaceManager.
+  bool Contains(aura::Window* window) const;
 
   // Returns true if in maximized or fullscreen mode.
   bool IsInMaximizedMode() const;
 
   // Adds/removes a window creating/destroying workspace as necessary.
   void AddWindow(aura::Window* window);
   void RemoveWindow(aura::Window* window);
 
   // Activates the workspace containing |window|. Does nothing if |window| is
   // NULL or not contained in a workspace.
@@ skipping 96 matching lines @@
   // Owned by the Shell container window LauncherContainer. May be NULL.
   ShelfLayoutManager* shelf_;
 
   DISALLOW_COPY_AND_ASSIGN(WorkspaceManager);
 };
 
 }  // namespace internal
 }  // namespace ash
 
 #endif  // ASH_WM_WORKSPACE_MANAGER_H_