Implement a module system for the extension bindings JS.

chrome/renderer/extensions/chrome_private_custom_bindings.h

Index: chrome/renderer/extensions/chrome_private_custom_bindings.h
diff --git a/chrome/renderer/extensions/chrome_private_custom_bindings.h b/chrome/renderer/extensions/chrome_private_custom_bindings.h
index d1bfdb98493fa180f4961bc521293abc8927533b..0d6fd5e8c8c33b534813acd16d06627d8bd85c9a 100644
--- a/chrome/renderer/extensions/chrome_private_custom_bindings.h
+++ b/chrome/renderer/extensions/chrome_private_custom_bindings.h
@@ -15,14 +15,9 @@ namespace extensions {
 // Implements custom bindings for the chromePrivate API.
 class ChromePrivateCustomBindings : public ChromeV8Extension {
  public:
-  ChromePrivateCustomBindings(
-      int dependency_count,
-      const char** dependencies,
+  explicit ChromePrivateCustomBindings(
       ExtensionDispatcher* extension_dispatcher);
 
-  virtual v8::Handle<v8::FunctionTemplate> GetNativeFunction(
-      v8::Handle<v8::String> name) OVERRIDE;
-
  private:
   // Decodes supplied JPEG byte array to image pixel array.
   static v8::Handle<v8::Value> DecodeJPEG(const v8::Arguments& args);