Implement a module system for the extension bindings JS.

chrome/renderer/extensions/miscellaneous_bindings.cc

Index: chrome/renderer/extensions/miscellaneous_bindings.cc
diff --git a/chrome/renderer/extensions/miscellaneous_bindings.cc b/chrome/renderer/extensions/miscellaneous_bindings.cc
index 76af216311b0aaa5f85696637738256403f4acdc..174d904e43d160fb855c9d342fba2b12fdd6fbb8 100644
--- a/chrome/renderer/extensions/miscellaneous_bindings.cc
+++ b/chrome/renderer/extensions/miscellaneous_bindings.cc
@@ -62,31 +62,18 @@ static void ClearPortData(int port_id) {
 }
 
 const char kPortClosedError[] = "Attempting to use a disconnected port object";
-const char* kExtensionDeps[] = { "extensions/event.js" };
 
 class ExtensionImpl : public ChromeV8Extension {
  public:
   explicit ExtensionImpl(ExtensionDispatcher* dispatcher)
-      : ChromeV8Extension("extensions/miscellaneous_bindings.js",
-                          IDR_MISCELLANEOUS_BINDINGS_JS,
-                          arraysize(kExtensionDeps), kExtensionDeps,
-                          dispatcher) {
+      : ChromeV8Extension(dispatcher) {
+    RouteStaticFunction("CloseChannel", &CloseChannel);
+    RouteStaticFunction("PortAddRef", &PortAddRef);
+    RouteStaticFunction("PortRelease", &PortRelease);
+    RouteStaticFunction("PostMessage", &PostMessage);
   }
-  ~ExtensionImpl() {}
 
-  virtual v8::Handle<v8::FunctionTemplate> GetNativeFunction(
-      v8::Handle<v8::String> name) {
-    if (name->Equals(v8::String::New("PostMessage"))) {
-      return v8::FunctionTemplate::New(PostMessage);
-    } else if (name->Equals(v8::String::New("CloseChannel"))) {
-      return v8::FunctionTemplate::New(CloseChannel);
-    } else if (name->Equals(v8::String::New("PortAddRef"))) {
-      return v8::FunctionTemplate::New(PortAddRef);
-    } else if (name->Equals(v8::String::New("PortRelease"))) {
-      return v8::FunctionTemplate::New(PortRelease);
-    }
-    return ChromeV8Extension::GetNativeFunction(name);
-  }
+  ~ExtensionImpl() {}
 
   // Sends a message along the given channel.
   static v8::Handle<v8::Value> PostMessage(const v8::Arguments& args) {
@@ -155,9 +142,8 @@ class ExtensionImpl : public ChromeV8Extension {
 
 namespace extensions {
 
-v8::Extension* MiscellaneousBindings::Get(ExtensionDispatcher* dispatcher) {
-  static v8::Extension* extension = new ExtensionImpl(dispatcher);
-  return extension;
+ChromeV8Extension* MiscellaneousBindings::Get(ExtensionDispatcher* dispatcher) {
+  return new ExtensionImpl(dispatcher);
 }
 
 void MiscellaneousBindings::DeliverMessage(