[Extensions] Use document url (not top url) for tab-specific permissions

extensions/renderer/script_injection.cc

Index: extensions/renderer/script_injection.cc
diff --git a/extensions/renderer/script_injection.cc b/extensions/renderer/script_injection.cc
index 5ab2ea55535690d53e86052f79acee44420427fa..1c342c4346a285e9a57e4eabce19580482ced3c8 100644
--- a/extensions/renderer/script_injection.cc
+++ b/extensions/renderer/script_injection.cc
@@ -136,8 +136,7 @@ ScriptInjection::InjectionResult ScriptInjection::TryToInject(
   }
 
   switch (injector_->CanExecuteOnFrame(
-      injection_host_.get(), web_frame_, tab_id_,
-      web_frame_->top()->document().url())) {
+      injection_host_.get(), web_frame_, tab_id_)) {
     case PermissionsData::ACCESS_DENIED:
       NotifyWillNotInject(ScriptInjector::NOT_ALLOWED);
       return INJECTION_FINISHED;  // We're done.