[Extensions Bindings] Exclude schemaUtils, json_schema with native bindings

The 'schemaUtils' and 'json_schema' JS bindings files are no longer
needed with native bindings. Don't include them as resources in
the dispatcher's source map.

Bug: 810487

Change-Id: I7476069311b7ba7d0ffc0a2e37a01dcd43808c66
Reviewed-on: https://chromium-review.googlesource.com/981261Reviewed-by: Istiaque Ahmed <lazyboy@chromium.org>
Commit-Queue: Devlin <rdevlin.cronin@chromium.org>
Cr-Commit-Position: refs/heads/master@{#546157}

extensions/renderer/dispatcher.cc

@@ -668,8 +668,6 @@ std::vector<Dispatcher::JsResourceInfo> Dispatcher::GetJsResources() {
       {"guestViewDeny", IDR_GUEST_VIEW_DENY_JS},
       {"guestViewEvents", IDR_GUEST_VIEW_EVENTS_JS},
       {"imageUtil", IDR_IMAGE_UTIL_JS},
-      {"json_schema", IDR_JSON_SCHEMA_JS},
-      {kSchemaUtils, IDR_SCHEMA_UTILS_JS},
       {"setIcon", IDR_SET_ICON_JS},
       {"test", IDR_TEST_CUSTOM_BINDINGS_JS},
       {"test_environment_specific_bindings",
@@ -715,6 +713,8 @@ std::vector<Dispatcher::JsResourceInfo> Dispatcher::GetJsResources() {
     resources.push_back({kEventBindings, IDR_EVENT_BINDINGS_JS});
     resources.push_back({"lastError", IDR_LAST_ERROR_JS});
     resources.push_back({"sendRequest", IDR_SEND_REQUEST_JS});
+    resources.push_back({kSchemaUtils, IDR_SCHEMA_UTILS_JS});
+    resources.push_back({"json_schema", IDR_JSON_SCHEMA_JS});
 
     resources.push_back({"messaging", IDR_MESSAGING_JS});
     resources.push_back({"messaging_utils", IDR_MESSAGING_UTILS_JS});