Implement a module system for the extension bindings JS.

chrome/renderer/extensions/web_request_custom_bindings.h

Index: chrome/renderer/extensions/web_request_custom_bindings.h
diff --git a/chrome/renderer/extensions/web_request_custom_bindings.h b/chrome/renderer/extensions/web_request_custom_bindings.h
index 285ae887e9ccc4c7e5c4edc7e2f821030272be9c..028c37d634ab03d9321d899b614b8929daf438e6 100644
--- a/chrome/renderer/extensions/web_request_custom_bindings.h
+++ b/chrome/renderer/extensions/web_request_custom_bindings.h
@@ -13,10 +13,10 @@ namespace extensions {
 // Implements custom bindings for the webRequest API.
 class WebRequestCustomBindings : public ChromeV8Extension {
  public:
-  WebRequestCustomBindings(int dependency_count, const char** dependencies);
+  WebRequestCustomBindings();
 
-  virtual v8::Handle<v8::FunctionTemplate> GetNativeFunction(
-      v8::Handle<v8::String> name) OVERRIDE;
+ private:
+  static v8::Handle<v8::Value> GetUniqueSubEventName(const v8::Arguments& args);
 };
 
 }  // extensions