Make sure that 30%of restored window is always visible.

ash/wm/workspace/workspace_layout_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_WORKSPACE_LAYOUT_MANAGER_H_
 #define ASH_WM_WORKSPACE_WORKSPACE_LAYOUT_MANAGER_H_
 
 #include <set>
 
 #include "ash/shell_observer.h"
@@ skipping 42 matching lines @@
 
   // Overriden from WindowObserver:
   virtual void OnWindowPropertyChanged(aura::Window* window,
                                        const void* key,
                                        intptr_t old) OVERRIDE;
 
  private:
   // Overridden from BaseLayoutManager:
   virtual void ShowStateChanged(aura::Window* window,
                                 ui::WindowShowState last_show_state) OVERRIDE;
-  virtual void AdjustWindowSizesForScreenChange(
+  virtual void AdjustWindowsBoundsForWorkAreaChange(
       AdjustWindowReason reason) OVERRIDE;
-  virtual void AdjustWindowSizeForScreenChange(
-      aura::Window* window,
-      AdjustWindowReason reason) OVERRIDE;
+  virtual void AdjustWindowBounds(aura::Window* window,
+                                  AdjustWindowReason reason) OVERRIDE;
 
   void UpdateDesktopVisibility();
 
   // Updates the bounds of the window from a show state change.
   void UpdateBoundsFromShowState(aura::Window* window);
 
   // If |window| is maximized or fullscreen the bounds of the window are set and
   // true is returned. Does nothing otherwise.
   bool SetMaximizedOrFullscreenBounds(aura::Window* window);
 
   internal::ShelfLayoutManager* shelf_;
   aura::Window* window_;
 
   // The work area. Cached to avoid unnecessarily moving windows during a
   // workspace switch.
   gfx::Rect work_area_;
 
   DISALLOW_COPY_AND_ASSIGN(WorkspaceLayoutManager);
 };
 
 }  // namespace internal
 }  // namespace ash
 
 #endif  // ASH_WM_WORKSPACE_WORKSPACE_LAYOUT_MANAGER_H_