Allow declarative webrequest and webrequest in extensions.

extensions/renderer/dispatcher.cc

Index: extensions/renderer/dispatcher.cc
diff --git a/extensions/renderer/dispatcher.cc b/extensions/renderer/dispatcher.cc
index 278066c481304073e5e67aeb6c2f7fa72de1a4c6..efa95bb9f958e1f799ce56f5077326cace898ea6 100644
--- a/extensions/renderer/dispatcher.cc
+++ b/extensions/renderer/dispatcher.cc
@@ -579,6 +579,9 @@ std::vector<std::pair<std::string, int> > Dispatcher::GetJsResources() {
   resources.push_back(
       std::make_pair("runtime", IDR_RUNTIME_CUSTOM_BINDINGS_JS));
   resources.push_back(std::make_pair("windowControls", IDR_WINDOW_CONTROLS_JS));
+  resources.push_back(
+      std::make_pair("webViewRequest",
+                     IDR_WEB_VIEW_REQUEST_CUSTOM_BINDINGS_JS));
   resources.push_back(std::make_pair("binding", IDR_BINDING_JS));
 
   // Custom types sources.