Exposes OrientationChangeEvent.

content/browser/renderer_host/render_view_host_impl.h

Index: content/browser/renderer_host/render_view_host_impl.h
diff --git a/content/browser/renderer_host/render_view_host_impl.h b/content/browser/renderer_host/render_view_host_impl.h
index 9f1972d56b86c96f8e152fdd04cc3e839f1de79c..313da9cd3d883e13f42a46f2773fdb9e907b0356 100644
--- a/content/browser/renderer_host/render_view_host_impl.h
+++ b/content/browser/renderer_host/render_view_host_impl.h
@@ -383,6 +383,9 @@ class CONTENT_EXPORT RenderViewHostImpl
   void DidCancelPopupMenu();
 #endif
 
+  // User rotated the screen. Calls the "onorientationchange" Javascript hook.
+  void SendOrientationChangeEvent(int orientation);
+
   void set_save_accessibility_tree_for_testing(bool save) {
     save_accessibility_tree_for_testing_ = save;
   }
@@ -408,7 +411,9 @@ class CONTENT_EXPORT RenderViewHostImpl
                         GURL* url);
 
   // NOTE: Do not add functions that just send an IPC message that are called in
-  // one or two places.  Have the caller send the IPC message directly.
+  // one or two places. Have the caller send the IPC message directly (unless
+  // the caller places are in different platforms, in which case it's better
+  // to keep them consistent).

[bulach, 2012/05/14 17:10:49]

I tried to clarify this a bit, let me know if this works for you..

 
  protected:
   friend class RenderViewHostObserver;