Begin implementing V8 bindings for Mojo

gin/per_isolate_data.h

 // Copyright 2013 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.
 
 #ifndef GIN_PER_ISOLATE_DATA_H_
 #define GIN_PER_ISOLATE_DATA_H_
 
 #include <map>
 
 #include "base/basictypes.h"
 #include "gin/wrapper_info.h"
 #include "v8/include/v8.h"
 
 namespace gin {
 
 class PerIsolateData {
  public:
   explicit PerIsolateData(v8::Isolate* isolate);
   ~PerIsolateData();
 
   static PerIsolateData* From(v8::Isolate* isolate);
 
-  void RegisterObjectTemplate(WrapperInfo* info,
-                              v8::Local<v8::ObjectTemplate> object_template);
+  void SetObjectTemplate(WrapperInfo* info,
+                         v8::Local<v8::ObjectTemplate> object_template);
+
+  v8::Local<v8::ObjectTemplate> GetObjectTemplate(WrapperInfo* info);
 
  private:
   typedef std::map<
       WrapperInfo*, v8::Eternal<v8::ObjectTemplate> > ObjectTemplateMap;
 
   v8::Isolate* isolate_;
   ObjectTemplateMap object_templates_;
 
   DISALLOW_COPY_AND_ASSIGN(PerIsolateData);
 };
 
 }  // namespace gin
 
 #endif  // GIN_PER_ISOLATE_DATA_H_