[Extensions Bindings] Move request dispatch to APIRequestHandler

extensions/renderer/native_extension_bindings_system.cc

 // Copyright 2016 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 "extensions/renderer/native_extension_bindings_system.h"
 
 #include "base/command_line.h"
 #include "base/memory/ptr_util.h"
 #include "content/public/common/content_switches.h"
 #include "extensions/common/constants.h"
@@ skipping 577 matching lines @@
 
   v8::Maybe<bool> success =
       internal_apis->CreateDataProperty(context, v8_name, api_binding);
   if (!success.IsJust() || !success.FromJust())
     return;
 
   info.GetReturnValue().Set(api_binding);
 }
 
 void NativeExtensionBindingsSystem::SendRequest(
-    std::unique_ptr<APIBinding::Request> request,
+    std::unique_ptr<APIRequestHandler::Request> request,
     v8::Local<v8::Context> context) {
   ScriptContext* script_context =
       ScriptContextSet::GetContextByV8Context(context);
 
   GURL url;
   blink::WebLocalFrame* frame = script_context->web_frame();
   if (frame && !frame->document().isNull())
     url = frame->document().url();
   else
     url = script_context->url();
@@ skipping 15 matching lines @@
 
 void NativeExtensionBindingsSystem::OnEventListenerChanged(
     const std::string& event_name,
     binding::EventListenersChanged change,
     v8::Local<v8::Context> context) {
   send_event_listener_ipc_.Run(
       change, ScriptContextSet::GetContextByV8Context(context), event_name);
 }
 
 }  // namespace extensions