Do not restore corrupt cached app window bounds.

apps/shell_window_geometry_cache.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 CHROME_BROWSER_EXTENSIONS_SHELL_WINDOW_GEOMETRY_CACHE_H_
 #define CHROME_BROWSER_EXTENSIONS_SHELL_WINDOW_GEOMETRY_CACHE_H_
 
 #include <map>
 #include <set>
 #include <string>
@@ skipping 55 matching lines @@
   static ShellWindowGeometryCache* Get(content::BrowserContext* context);
 
   // Save the geometry and state associated with |extension_id| and |window_id|.
   void SaveGeometry(const std::string& extension_id,
                     const std::string& window_id,
                     const gfx::Rect& bounds,
                     const gfx::Rect& screen_bounds,
                     ui::WindowShowState state);
 
   // Get any saved geometry and state associated with |extension_id| and
-  // |window_id|. If saved data exists, sets |bounds| and |state| if not NULL
-  // and returns true.
+  // |window_id|. If saved data exists, sets |bounds|, |screen_bounds| and
+  // |state| if not NULL and returns true.
   bool GetGeometry(const std::string& extension_id,
                    const std::string& window_id,
                    gfx::Rect* bounds,
                    gfx::Rect* screen_bounds,
                    ui::WindowShowState* state);
 
   // BrowserContextKeyedService
   virtual void Shutdown() OVERRIDE;
 
   // Maximum number of windows we'll cache the geometry for per app.
@@ skipping 44 matching lines @@
 
   // The timeout value we'll use for |sync_timer_|.
   base::TimeDelta sync_delay_;
 
   content::NotificationRegistrar registrar_;
 };
 
 }  // namespace apps
 
 #endif  // CHROME_BROWSER_EXTENSIONS_SHELL_WINDOW_GEOMETRY_CACHE_H_