C bindings: Implement _Validate(), and some pre-requisites

mojom/generators/c/c_generator.go

-// Copyright 2016 The Chromium Authors. All rights reserved.

[viettrungluu, 2016/07/28 23:03:01]

You didn't mean to delete this line.

[vardhan, 2016/07/29 21:29:22]

I don't know why, but this keeps happening (and usually i go back and fix it).

 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 package main
 
 import (
         "log"
         "os"
         "text/template"
 
@@ skipping 26 matching lines @@
                 if err := tmpls.ExecuteTemplate(headerWriter, "GenerateHeaderFile", headerInfo); err != nil {
                         log.Fatal(err)
                 }
                 if err := tmpls.ExecuteTemplate(sourceWriter, "GenerateSourceFile", sourceInfo); err != nil {
                         log.Fatal(err)
                 }
 
                 log.Printf("Processed %s", fileName)
         }, config)
 }