NOT YET READY: Improve granularity of window namespaces in Blink.

chrome/renderer/extensions/chrome_extensions_renderer_client.h

Index: chrome/renderer/extensions/chrome_extensions_renderer_client.h
diff --git a/chrome/renderer/extensions/chrome_extensions_renderer_client.h b/chrome/renderer/extensions/chrome_extensions_renderer_client.h
index a0c0fba0b7285d855da94253d14b1c689f95fd09..382a8e493cac09e6f986037abcb1321686dc6ade 100644
--- a/chrome/renderer/extensions/chrome_extensions_renderer_client.h
+++ b/chrome/renderer/extensions/chrome_extensions_renderer_client.h
@@ -16,6 +16,7 @@ class ChromeExtensionsDispatcherDelegate;
 class GURL;
 
 namespace blink {
+class WebFrame;
 class WebLocalFrame;
 struct WebPluginParams;
 class WebURL;
@@ -71,6 +72,8 @@ class ChromeExtensionsRendererClient
       content::RenderFrame* render_frame,
       const std::string& mime_type,
       const GURL& original_url);
+  static blink::WebFrame* FindFrame(blink::WebLocalFrame* relative_to_frame,
+                                    const std::string& name);
 
   void RunScriptsAtDocumentStart(content::RenderFrame* render_frame);
   void RunScriptsAtDocumentEnd(content::RenderFrame* render_frame);