[WIN]Save work area of window and adjust bounds to ensure it fit on screen before show.

chrome/browser/ui/extensions/shell_window.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_UI_EXTENSIONS_SHELL_WINDOW_H_
 #define CHROME_BROWSER_UI_EXTENSIONS_SHELL_WINDOW_H_
 
 #include "base/memory/scoped_ptr.h"
 #include "base/memory/weak_ptr.h"
 #include "chrome/browser/extensions/extension_keybinding_registry.h"
@@ skipping 242 matching lines @@
 
   // content::NotificationObserver implementation.
   virtual void Observe(int type,
                        const content::NotificationSource& source,
                        const content::NotificationDetails& details) OVERRIDE;
 
   // Helper method to add a message to the renderer's DevTools console.
   void AddMessageToDevToolsConsole(content::ConsoleMessageLevel level,
                                    const std::string& message);
 
-  // Saves the window geometry/position.
+  // Saves the window geometry/position/screen bounds.
   void SaveWindowPosition();
 
+  // Helper method to adjust the cached bounds so that we can make sure it can
+  // be visible on the screen. See http://crbug.com/145752 .
+  void AdjustBoundsToBeVisibleOnScreen(
+      const gfx::Rect& cached_bounds,
+      const gfx::Rect& cached_screen_bounds,
+      const gfx::Rect& current_screen_bounds,
+      const gfx::Size& minimum_size,
+      gfx::Rect* bounds) const;
+
   // Load the app's image, firing a load state change when loaded.
   void UpdateExtensionAppIcon();
 
   void OnImageLoaded(const gfx::Image& image);
 
   // extensions::ExtensionKeybindingRegistry::Delegate implementation.
   virtual extensions::ActiveTabPermissionGranter*
       GetActiveTabPermissionGranter() OVERRIDE;
 
   // web_modal::WebContentsModalDialogManagerDelegate implementation.
@@ skipping 34 matching lines @@
 
   // Fullscreen entered by app.window api.
   bool fullscreen_for_window_api_;
   // Fullscreen entered by HTML requestFullscreen.
   bool fullscreen_for_tab_;
 
   DISALLOW_COPY_AND_ASSIGN(ShellWindow);
 };
 
 #endif  // CHROME_BROWSER_UI_EXTENSIONS_SHELL_WINDOW_H_