Add a way to fetch window frame metrics from NativeShellWindow

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 "chrome/browser/extensions/extension_function_dispatcher.h"
 #include "chrome/browser/extensions/extension_keybinding_registry.h"
@@ skipping 43 matching lines @@
     FRAME_NONE,  // Frameless window.
   };
 
   struct CreateParams {
     CreateParams();
     ~CreateParams();
 
     WindowType window_type;
     Frame frame;
 
-    // Specify the initial bounds of the window. INT_MIN designates
-    // 'unspecified' for any coordinate, and should be replaced with a default
-    // value.
+    // Specify the initial content bounds of the window (excluding any window
+    // decorations). INT_MIN designates 'unspecified' for any coordinate, and
+    // should be replaced with a default value.
     gfx::Rect bounds;
 
     gfx::Size minimum_size;
     gfx::Size maximum_size;
 
     std::string window_key;
 
     // The process ID of the process that requested the create.
     int32 creator_process_id;
 
@@ skipping 12 matching lines @@
       const std::vector<extensions::DraggableRegion>& regions);
 
   const std::string& window_key() const { return window_key_; }
   const SessionID& session_id() const { return session_id_; }
   const extensions::Extension* extension() const { return extension_; }
   content::WebContents* web_contents() const { return web_contents_.get(); }
   WindowType window_type() const { return window_type_; }
   Profile* profile() const { return profile_; }
   const gfx::Image& app_icon() const { return app_icon_; }
 
-  BaseWindow* GetBaseWindow();
-  gfx::NativeWindow GetNativeWindow() {
-    return GetBaseWindow()->GetNativeWindow();
-  }
+  NativeAppWindow* GetBaseWindow();
+  gfx::NativeWindow GetNativeWindow();
 
   // NativeAppWindows should call this to determine what the window's title
   // is on startup and from within UpdateWindowTitle().
   virtual string16 GetTitle() const;
 
   // Call to notify ShellRegistry and delete the window. Subclasses should
   // invoke this method instead of using "delete this".
   void OnNativeClose();
 
   // Should be called by native implementations when the window size, position,
@@ skipping 109 matching lines @@
 
   // Used for loading app_icon_.
   scoped_ptr<ImageLoadingTracker> app_icon_loader_;
 
   scoped_ptr<NativeAppWindow> native_app_window_;
 
   DISALLOW_COPY_AND_ASSIGN(ShellWindow);
 };
 
 #endif  // CHROME_BROWSER_UI_EXTENSIONS_SHELL_WINDOW_H_