Adds ViewsDelegate::GetContextFactory

ui/views/views_delegate.h

Index: ui/views/views_delegate.h
diff --git a/ui/views/views_delegate.h b/ui/views/views_delegate.h
index 8be8a0d5844bf2c0b80ad42332953c9968d415ad..0175c8ba20140a755a6b0a7e5ce84d8f1f31216b 100644
--- a/ui/views/views_delegate.h
+++ b/ui/views/views_delegate.h
@@ -33,6 +33,10 @@ class ImageSkia;
 class Rect;
 }
 
+namespace ui {
+class ContextFactory;
+}
+
 namespace views {
 
 class NativeWidget;
@@ -126,6 +130,11 @@ class VIEWS_EXPORT ViewsDelegate {
   // maximized windows; otherwise to restored windows.
   virtual bool WindowManagerProvidesTitleBar(bool maximized);
 
+#if defined(USE_AURA)
+  // Returns the context factory for new windows.
+  virtual ui::ContextFactory* GetContextFactory();
+#endif
+
 #if defined(OS_WIN)
   // Starts a query for the appbar autohide edges of the specified monitor and
   // returns the current value.  If the query finds the edges have changed from