Run the JSON Schema Compiler's bundle compilation on JSON files. Previously it

build/json_schema_compile.gypi

Index: build/json_schema_compile.gypi
diff --git a/build/json_schema_compile.gypi b/build/json_schema_compile.gypi
index 6c8f69c5daf48a068d8159bed8613627bf11b665..6da8961a7ce99cd794d043590a73eaaa7cbb7738 100644
--- a/build/json_schema_compile.gypi
+++ b/build/json_schema_compile.gypi
@@ -5,8 +5,7 @@
 {
   'variables': {
     # When including this gypi, the following variables must be set:
-    #   json_schema_files: a list of json files that comprise the api model.
-    #   idl_schema_files: a list of IDL files that comprise the api model.
+    #   schema_files: a list of json or IDL files that comprise the api model.
     #   cc_dir: path to generated files
     #   root_namespace: the C++ namespace that all generated files go under
     # Functions and namespaces can be excluded by setting "nocompile" to true.