alternate ntp: fix content origin when overlay shrinks to shorter than top bars

chrome/browser/ui/views/frame/contents_container.h

Index: chrome/browser/ui/views/frame/contents_container.h
diff --git a/chrome/browser/ui/views/frame/contents_container.h b/chrome/browser/ui/views/frame/contents_container.h
index 410ec0c10c9eb79bc0696e630ce689bd7b8f460a..ca4ab3992cf87f2a7136a0aadce8547449477764 100644
--- a/chrome/browser/ui/views/frame/contents_container.h
+++ b/chrome/browser/ui/views/frame/contents_container.h
@@ -32,7 +32,7 @@ class ContentsContainer : public views::View,
   // Internal class name
   static const char kViewClassName[];
 
-  explicit ContentsContainer(views::WebView* active);
+  ContentsContainer(views::WebView* active, views::View* browser_view);
   virtual ~ContentsContainer();
 
   // Makes the overlay view the active view and nulls out the old active view.
@@ -86,6 +86,7 @@ class ContentsContainer : public views::View,
                        const content::NotificationDetails& details) OVERRIDE;
 
   views::WebView* active_;
+  views::View* browser_view_;
   views::WebView* overlay_;
   scoped_ptr<views::View> shadow_view_;
   content::WebContents* overlay_web_contents_;