Work on blink GN bindings

Source/bindings/idl.gni

Index: Source/bindings/idl.gni
diff --git a/Source/bindings/idl.gni b/Source/bindings/idl.gni
new file mode 100644
index 0000000000000000000000000000000000000000..cc12a67ba3da82c0dc0ce1ebf4423915f118ff07
--- /dev/null
+++ b/Source/bindings/idl.gni
@@ -0,0 +1,21 @@
+# 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.
+
+import("//third_party/WebKit/Source/bindings/bindings.gni")
+
+# Global constructors
+# FIXME: Split into core vs. modules http://crbug.com/358074
+generated_global_constructors_idl_files = [
+  "$blink_output_dir/WindowConstructors.idl",
+  "$blink_output_dir/SharedWorkerGlobalScopeConstructors.idl",
+  "$blink_output_dir/DedicatedWorkerGlobalScopeConstructors.idl",
+  "$blink_output_dir/ServiceWorkerGlobalScopeConstructors.idl",
+]
+
+generated_global_constructors_header_files = [
+  "$blink_output_dir/WindowConstructors.h",
+  "$blink_output_dir/SharedWorkerGlobalScopeConstructors.h",
+  "$blink_output_dir/DedicatedWorkerGlobalScopeConstructors.h",
+  "$blink_output_dir/ServiceWorkerGlobalScopeConstructors.h",
+]