Refactor FileIO to the new design

content/renderer/pepper/renderer_ppapi_host_impl.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 "content/renderer/pepper/renderer_ppapi_host_impl.h"
 
 #include "base/file_path.h"
 #include "base/logging.h"
 #include "content/renderer/pepper/pepper_in_process_resource_creation.h"
 #include "content/renderer/pepper/pepper_in_process_router.h"
 #include "content/renderer/pepper/pepper_plugin_delegate_impl.h"
 #include "content/renderer/render_view_impl.h"
 #include "content/renderer/render_widget_fullscreen_pepper.h"
 #include "ppapi/proxy/host_dispatcher.h"
 #include "third_party/WebKit/Source/WebKit/chromium/public/platform/WebRect.h"
 #include "ui/gfx/point.h"
 #include "webkit/plugins/ppapi/fullscreen_container.h"
 #include "webkit/plugins/ppapi/host_globals.h"
 #include "webkit/plugins/ppapi/plugin_module.h"
 #include "webkit/plugins/ppapi/ppapi_plugin_instance.h"
 
 using webkit::ppapi::HostGlobals;
+using webkit::ppapi::PluginDelegate;
 using webkit::ppapi::PluginInstance;
 using webkit::ppapi::PluginModule;
 
 namespace content {
 
 // static
 CONTENT_EXPORT RendererPpapiHost*
 RendererPpapiHost::CreateExternalPluginModule(
     scoped_refptr<PluginModule> plugin_module,
     PluginInstance* plugin_instance,
@@ skipping 98 matching lines @@
 RendererPpapiHostImpl::CreateInProcessResourceCreationAPI(
     PluginInstance* instance) {
   return scoped_ptr< ::ppapi::thunk::ResourceCreationAPI>(
       new PepperInProcessResourceCreation(this, instance));
 }
 
 ppapi::host::PpapiHost* RendererPpapiHostImpl::GetPpapiHost() {
   return ppapi_host_.get();
 }
 
-RenderView* RendererPpapiHostImpl::GetRenderViewForInstance(
+PluginDelegate* RendererPpapiHostImpl::GetDelegateForInstance(
     PP_Instance instance) const {
   PluginInstance* instance_object = GetAndValidateInstance(instance);
   if (!instance_object)
     return NULL;
 
+  return instance_object->delegate();
+}
+
+RenderView* RendererPpapiHostImpl::GetRenderViewForInstance(
+    PP_Instance instance) const {
+  webkit::ppapi::PluginDelegate* delegate = GetDelegateForInstance(instance);
+  if (!delegate)
+    return NULL;
+
   // Since we're the embedder, we can make assumptions about the delegate on
   // the instance and get back to our RenderView.
-  return static_cast<PepperPluginDelegateImpl*>(
-      instance_object->delegate())->render_view();
+  return static_cast<PepperPluginDelegateImpl*>(delegate)->render_view();
 }
 
 bool RendererPpapiHostImpl::IsValidInstance(
     PP_Instance instance) const {
   return !!GetAndValidateInstance(instance);
 }
 
 webkit::ppapi::PluginInstance* RendererPpapiHostImpl::GetPluginInstance(
     PP_Instance instance) const {
   return GetAndValidateInstance(instance);
@@ skipping 67 matching lines @@
     PP_Instance pp_instance) const {
   PluginInstance* instance = HostGlobals::Get()->GetInstance(pp_instance);
   if (!instance)
     return NULL;
   if (instance->module() != module_)
     return NULL;
   return instance;
 }
 
 }  // namespace content