Extract minimal RenderViewHost interface for embedders, leaving

chrome/browser/extensions/extension_function.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/browser/extensions/extension_function.h"
 
 #include "base/json/json_writer.h"
 #include "base/logging.h"
 #include "chrome/browser/extensions/extension_function_dispatcher.h"
 #include "chrome/browser/extensions/extension_service.h"
@@ skipping 167 matching lines @@
   return dispatcher()->GetCurrentBrowser(render_view_host_, include_incognito_);
 }
 
 void UIThreadExtensionFunction::SendResponse(bool success) {
   if (delegate_) {
     delegate_->OnSendResponse(this, success);
   } else {
     if (!render_view_host_ || !dispatcher())
       return;
 
-    SendResponseImpl(render_view_host_->process()->GetHandle(),
+    SendResponseImpl(render_view_host_->GetProcess()->GetHandle(),
                      render_view_host_,
-                     render_view_host_->routing_id(),
+                     render_view_host_->GetRoutingID(),
                      success);
   }
 }
 
 IOThreadExtensionFunction::IOThreadExtensionFunction()
     : routing_id_(-1) {
 }
 
 IOThreadExtensionFunction::~IOThreadExtensionFunction() {
 }
@@ skipping 33 matching lines @@
 
 SyncIOThreadExtensionFunction::SyncIOThreadExtensionFunction() {
 }
 
 SyncIOThreadExtensionFunction::~SyncIOThreadExtensionFunction() {
 }
 
 void SyncIOThreadExtensionFunction::Run() {
   SendResponse(RunImpl());
 }