Draggable region support for frameless app window on Windows.

chrome/browser/ui/extensions/shell_window.h

Index: chrome/browser/ui/extensions/shell_window.h
diff --git a/chrome/browser/ui/extensions/shell_window.h b/chrome/browser/ui/extensions/shell_window.h
index 4d74fc8c720b4409d05e021a9177f8cf3426e005..1c684021b6b6b267b4bbb7f1979d56a1819c6796 100644
--- a/chrome/browser/ui/extensions/shell_window.h
+++ b/chrome/browser/ui/extensions/shell_window.h
@@ -27,6 +27,7 @@ class WebContents;
 namespace extensions {
 class Extension;
 class WindowController;
+struct DraggableRegion;

[Ben Goodger (Google), 2012/08/07 20:45:27]

Is there an apps namespace that this can go into? Doesn't seem like this would
be relevant to extensions?

[jianli, 2012/08/07 20:48:15]

Unfortunately there is not an apps or related namespace for apps v2. For now, I
have to reuse extensions namespace.

 }
 
 // ShellWindow is the type of window used by platform apps. Shell windows
@@ -78,6 +79,10 @@ class ShellWindow : public content::NotificationObserver,
   virtual void SetFullscreen(bool fullscreen) {}
   virtual bool IsFullscreenOrPending() const;
 
+  // Called when the draggable regions are changed.
+  virtual void UpdateDraggableRegions(
+      const std::vector<extensions::DraggableRegion>& regions) {}
+
   // Call to notify ShellRegistry and delete the window. Subclasses should
   // invoke this method instead of using "delete this".
   void OnNativeClose();