Change grow box computation back to a method on BrowserWindow

content/browser/renderer_host/render_widget_host_view_win.h

Index: content/browser/renderer_host/render_widget_host_view_win.h
diff --git a/content/browser/renderer_host/render_widget_host_view_win.h b/content/browser/renderer_host/render_widget_host_view_win.h
index b5c09304f5115d553db9e49f623df97a64b837fa..f9c84cd14c89e9bba5578118fe9d1977c7f1f00d 100644
--- a/content/browser/renderer_host/render_widget_host_view_win.h
+++ b/content/browser/renderer_host/render_widget_host_view_win.h
@@ -317,6 +317,10 @@ class RenderWidgetHostViewWin
   // asynchronously.
   void Redraw();
 
+  // Draw the resize corner bitmap on top of the given HDC, if it intersects the
+  // given paint rect.
+  void DrawResizeCorner(const gfx::Rect& paint_rect, HDC dc);
+
   // Draw our background over the given HDC in the given |rect|. The background
   // will be tiled such that it lines up with existing tiles starting from the
   // origin of |dc|.