content: Move two more url constants into content namespace.

content/renderer/render_view_impl.cc

Index: content/renderer/render_view_impl.cc
diff --git a/content/renderer/render_view_impl.cc b/content/renderer/render_view_impl.cc
index 26540ed48aca1a7e6fa089d3eeb547b899cef614..9c76d7de7334d9efffff845ae9acb10e6a698aa6 100644
--- a/content/renderer/render_view_impl.cc
+++ b/content/renderer/render_view_impl.cc
@@ -434,7 +434,7 @@ static void MaybeHandleDebugURL(const GURL& url) {
     for (;;) {
       base::PlatformThread::Sleep(base::TimeDelta::FromSeconds(1));
     }
-  } else if (url == GURL(chrome::kChromeUIShorthangURL)) {
+  } else if (url == GURL(kChromeUIShorthangURL)) {
     base::PlatformThread::Sleep(base::TimeDelta::FromSeconds(20));
   }
 }