Implement a module system for the extension bindings JS.

chrome/renderer/extensions/chrome_webstore_bindings.h

Index: chrome/renderer/extensions/chrome_webstore_bindings.h
diff --git a/chrome/renderer/extensions/chrome_webstore_bindings.h b/chrome/renderer/extensions/chrome_webstore_bindings.h
index 0fedcb07a3a47cac0490615ba3c5b9dd7289ccf4..3d32757da4628041bc3256144960acc7de2350c0 100644
--- a/chrome/renderer/extensions/chrome_webstore_bindings.h
+++ b/chrome/renderer/extensions/chrome_webstore_bindings.h
@@ -12,13 +12,17 @@
 
 #include <string>
 
+class ChromeV8Extension;
+
 namespace v8 {
 class Extension;
 }
 
+class ExtensionDispatcher;
+
 class ChromeWebstoreExtension {
  public:
-  static v8::Extension* Get();
+  static ChromeV8Extension* Get(ExtensionDispatcher* dispatcher);
 
   static void HandleInstallResponse(int install_id,
                                     bool success,