Refactor ShellWindow to separate platform-specific code.

chrome/browser/ui/extensions/native_shell_window.h

Index: chrome/browser/ui/extensions/native_shell_window.h
diff --git a/chrome/browser/ui/extensions/native_shell_window.h b/chrome/browser/ui/extensions/native_shell_window.h
new file mode 100644
index 0000000000000000000000000000000000000000..a0e444b186d2b1b9cccc025dd91036e719be7aa7
--- /dev/null
+++ b/chrome/browser/ui/extensions/native_shell_window.h
@@ -0,0 +1,30 @@
+// 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_NATIVE_SHELL_WINDOW_H_
+#define CHROME_BROWSER_UI_EXTENSIONS_NATIVE_SHELL_WINDOW_H_
+
+#include "chrome/browser/ui/extensions/shell_window.h"
+#include "chrome/browser/ui/base_window.h"
+
+class NativeShellWindow : public BaseWindow {

[Evan Stade, 2012/08/14 21:33:02]

can you document this class?

[jeremya, 2012/08/15 00:31:54]

Done.

+ public:
+  // Used by ShellWindow to instantiate the platform-specific ShellWindow code.
+  static NativeShellWindow* Create(ShellWindow* window,
+                                   const ShellWindow::CreateParams& params);
+
+  // Called when the title of the window changes.
+  virtual void UpdateWindowTitle() = 0;
+
+  // Called when the draggable regions are changed.
+  virtual void UpdateDraggableRegions(
+      const std::vector<extensions::DraggableRegion>& regions) {}
+
+  virtual void SetFullscreen(bool fullscreen) = 0;
+  virtual bool IsFullscreenOrPending() const = 0;
+
+  virtual ~NativeShellWindow() {}
+};
+
+#endif  // CHROME_BROWSER_UI_EXTENSIONS_NATIVE_SHELL_WINDOW_H_