Implement a module system for the extension bindings JS.

chrome/renderer/extensions/extension_custom_bindings.cc

 // Copyright (c) 2012 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "chrome/renderer/extensions/extension_custom_bindings.h"
 
 #include <string>
 
 #include "base/string_util.h"
 #include "chrome/common/chrome_view_type.h"
@@ skipping 93 matching lines @@
   std::string extension_id_;
   int browser_window_id_;
   content::ViewType view_type_;
   v8::Local<v8::Array> views_;
   int index_;
 };
 
 }  // namespace
 
 ExtensionCustomBindings::ExtensionCustomBindings(
-    int dependency_count,
-    const char** dependencies,
     ExtensionDispatcher* extension_dispatcher)
-    : ChromeV8Extension(
-          "extensions/extension_custom_bindings.js",
-          IDR_EXTENSION_CUSTOM_BINDINGS_JS,
-          dependency_count,
-          dependencies,
-          extension_dispatcher) {}
+    : ChromeV8Extension(extension_dispatcher) {
+  RouteStaticFunction("GetExtensionViews", &GetExtensionViews);
+  RouteStaticFunction("OpenChannelToExtension", &OpenChannelToExtension);
+}
 
 // static
 v8::Handle<v8::Value> ExtensionCustomBindings::GetExtensionViews(
     const v8::Arguments& args) {
   if (args.Length() != 2)
     return v8::Undefined();
 
   if (!args[0]->IsInt32() || !args[1]->IsString())
     return v8::Undefined();
 
@@ skipping 32 matching lines @@
       v8_extension->GetExtensionForCurrentRenderView();
   if (!extension)
     return v8::Undefined();
 
   ExtensionViewAccumulator accumulator(extension->id(), browser_window_id,
                                        view_type);
   content::RenderView::ForEach(&accumulator);
   return accumulator.views();
 }
 
-v8::Handle<v8::FunctionTemplate> ExtensionCustomBindings::GetNativeFunction(
-    v8::Handle<v8::String> name) {
-  if (name->Equals(v8::String::New("GetExtensionViews"))) {
-    return v8::FunctionTemplate::New(GetExtensionViews,
-                                     v8::External::New(this));
-  } else if (name->Equals(v8::String::New("OpenChannelToExtension"))) {
-    return v8::FunctionTemplate::New(OpenChannelToExtension);
-  }
-
-  return ChromeV8Extension::GetNativeFunction(name);
-}
-
 // static
 v8::Handle<v8::Value> ExtensionCustomBindings::OpenChannelToExtension(
     const v8::Arguments& args) {
   // Get the current RenderView so that we can send a routed IPC message from
   // the correct source.
   content::RenderView* renderview = GetCurrentRenderView();
   if (!renderview)
     return v8::Undefined();
 
   // The Javascript code should validate/fill the arguments.
   CHECK(args.Length() >= 3 &&
         args[0]->IsString() &&
         args[1]->IsString() &&
         args[2]->IsString());
 
   std::string source_id = *v8::String::Utf8Value(args[0]->ToString());
   std::string target_id = *v8::String::Utf8Value(args[1]->ToString());
   std::string channel_name = *v8::String::Utf8Value(args[2]->ToString());
   int port_id = -1;
   renderview->Send(new ExtensionHostMsg_OpenChannelToExtension(
       renderview->GetRoutingId(),
       source_id,
       target_id,
       channel_name,
       &port_id));
   return v8::Integer::New(port_id);
 }
 
 }  // namespace extensions