Fixes bug where windows weren't being moved and resized if the desktop

ui/aura_shell/workspace/workspace_manager.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 UI_AURA_SHELL_WORKSPACE_WORKSPACE_MANAGER_H_
 #define UI_AURA_SHELL_WORKSPACE_WORKSPACE_MANAGER_H_
 
 #include <vector>
 
 #include "base/basictypes.h"
 #include "base/compiler_specific.h"
-#include "base/gtest_prod_util.h"
-#include "ui/aura/desktop_observer.h"
 #include "ui/aura_shell/aura_shell_export.h"
 #include "ui/gfx/insets.h"
 #include "ui/gfx/size.h"
 
 namespace aura {
 class Window;
 }
 
 namespace gfx {
 class Point;
 class Rect;
 }
 
 namespace aura_shell {
+namespace internal {
 class Workspace;
 
 // WorkspaceManager manages multiple workspaces in the desktop.
-class AURA_SHELL_EXPORT WorkspaceManager : public aura::DesktopObserver {
+class AURA_SHELL_EXPORT WorkspaceManager {
  public:
   explicit WorkspaceManager(aura::Window* viewport);
   virtual ~WorkspaceManager();
 
   // Create new workspace. Workspace objects are managed by
   // this WorkspaceManager. Deleting workspace will automatically
   // remove the workspace from the workspace_manager.
   Workspace* CreateWorkspace();
 
+  // Sets the active workspace.
+  void SetActiveWorkspace(Workspace* workspace);
+
   // Returns the active workspace.
   Workspace* GetActiveWorkspace() const;
 
   // Returns the workspace that contanis the |window|.
   Workspace* FindBy(aura::Window* window) const;
 
   // Returns the window for rotate operation based on the |location|.
   aura::Window* FindRotateWindowForLocation(const gfx::Point& location);
 
   // Sets the bounds of all workspaces.
   void LayoutWorkspaces();
 
   // Returns the bounds in which a window can be moved/resized.
   gfx::Rect GetDragAreaBounds();
 
   // Turn on/off overview mode.
   void SetOverview(bool overview);
   bool is_overview() const { return is_overview_; }
 
   // Rotate windows by moving |source| window to the position of |target|.
   void RotateWindows(aura::Window* source, aura::Window* target);
 
-  // Overridden from aura::DesktopObserver:
-  virtual void OnDesktopResized(const gfx::Size& new_size) OVERRIDE;
-  virtual void OnActiveWindowChanged(aura::Window* active) OVERRIDE;
+  // Sets the size of a single workspace (all workspaces have the same size).
+  void SetWorkspaceSize(const gfx::Size& workspace_size);
 
  private:
   friend class Workspace;
-  FRIEND_TEST_ALL_PREFIXES(WorkspaceManagerTest, Overview);
-  FRIEND_TEST_ALL_PREFIXES(WorkspaceManagerTest, LayoutWorkspaces);
-  FRIEND_TEST_ALL_PREFIXES(WorkspaceManagerTest, FindRotateWindow);
 
   void AddWorkspace(Workspace* workspace);
   void RemoveWorkspace(Workspace* workspace);
 
-  // Sets the active workspace.
-  void SetActiveWorkspace(Workspace* workspace);
-
   // Returns the bounds of the work are given |workspace_bounds|.
   gfx::Rect GetWorkAreaBounds(const gfx::Rect& workspace_bounds);
 
   // Returns the index of the workspace that contains the |window|.
   int GetWorkspaceIndexContaining(aura::Window* window) const;
 
   // Update viewport size and move to the active workspace.
   void UpdateViewport();
 
   aura::Window* viewport_;
 
   Workspace* active_workspace_;
 
   std::vector<Workspace*> workspaces_;
 
   // The size of a single workspace. This is generally the same as the size of
   // monitor.
   gfx::Size workspace_size_;
 
   // True if the workspace manager is in overview mode.
   bool is_overview_;
 
   DISALLOW_COPY_AND_ASSIGN(WorkspaceManager);
 };
 
+}  // namespace internal
 }  // namespace aura_shell
 
 #endif  // UI_AURA_SHELL_WORKSPACE_WORKSPACE_MANAGER_H_