Implement a module system for the extension bindings JS.

chrome/renderer/extensions/custom_bindings_util.cc

Index: chrome/renderer/extensions/custom_bindings_util.cc
diff --git a/chrome/renderer/extensions/custom_bindings_util.cc b/chrome/renderer/extensions/custom_bindings_util.cc
index 08fb52397b94e569bf832ebdb61663e84b184297..ecbf43d9faa50debc91d22fc8a33c0a0055b6c06 100644
--- a/chrome/renderer/extensions/custom_bindings_util.cc
+++ b/chrome/renderer/extensions/custom_bindings_util.cc
@@ -29,7 +29,8 @@ namespace extensions {
 
 namespace custom_bindings_util {
 
-std::vector<v8::Extension*> GetAll(ExtensionDispatcher* extension_dispatcher) {
+std::vector<ChromeV8Extension*> GetAll(
+    ExtensionDispatcher* extension_dispatcher) {
   // Must match kResourceIDs.
   static const char* kJavascriptFiles[] = {
     "extensions/browser_action_custom_bindings.js",
@@ -65,7 +66,7 @@ std::vector<v8::Extension*> GetAll(ExtensionDispatcher* extension_dispatcher) {
   };
   static const size_t kDependencyCount = arraysize(kDependencies);
 
-  std::vector<v8::Extension*> result;
+  std::vector<ChromeV8Extension*> result;
 
   // Custom bindings that have native code parts.
   result.push_back(new ChromePrivateCustomBindings(