Remove the dependency on json schema compiler.

tools/json_schema_compiler/test/idl_function_types.idl

Index: tools/json_schema_compiler/test/idl_function_types.idl
diff --git a/tools/json_schema_compiler/test/idl_function_types.idl b/tools/json_schema_compiler/test/idl_function_types.idl
deleted file mode 100644
index 96bff43a5b2214b621fa1e6ad110891d1910c62e..0000000000000000000000000000000000000000
--- a/tools/json_schema_compiler/test/idl_function_types.idl
+++ /dev/null
@@ -1,18 +0,0 @@
-// Copyright 2014 The Chromium Authors. All rights reserved.
-// Use of this source code is governed by a BSD-style license that can be
-// found in the LICENSE file.
-
-// Tests function and callback types in various places in IDL.
-
-namespace idl_function_types {
-  callback MyCallback = void(long x);
-  callback MyUnionCallback = void ((long or DOMString) x);
-  callback MyOptionalUnionCallback = void (optional (long or DOMString) x);
-
-  interface Functions {
-    static void whatever(MyCallback[] callbacks);
-    static void blah(MyUnionCallback callback);
-    static void badabish(MyOptionalUnionCallback callback);
-    static void union_params((long or DOMString) x);
-  };
-};