CRX FileSystem Pepper private API

content/renderer/pepper/pepper_plugin_delegate_impl.cc

Index: content/renderer/pepper/pepper_plugin_delegate_impl.cc
diff --git a/content/renderer/pepper/pepper_plugin_delegate_impl.cc b/content/renderer/pepper/pepper_plugin_delegate_impl.cc
index 42bcf50a8dea5fb176b833c6b13df64b1193fbd0..39ad0d5f5f47e803d79cb74290a12e449572e723 100644
--- a/content/renderer/pepper/pepper_plugin_delegate_impl.cc
+++ b/content/renderer/pepper/pepper_plugin_delegate_impl.cc
@@ -64,6 +64,7 @@
 #include "ppapi/c/dev/pp_video_dev.h"
 #include "ppapi/c/pp_errors.h"
 #include "ppapi/c/private/ppb_flash.h"
+#include "ppapi/host/file_system_registry.h"
 #include "ppapi/host/ppapi_host.h"
 #include "ppapi/proxy/host_dispatcher.h"
 #include "ppapi/proxy/ppapi_messages.h"
@@ -344,16 +345,6 @@ void CreateHostForInProcessModule(RenderViewImpl* render_view,
   render_view->PpapiPluginCreated(host_impl);
 }
 
-template <typename HostType>
-const HostType* GetRendererResourceHost(
-    PP_Instance instance, PP_Resource resource) {
-  const ppapi::host::PpapiHost* ppapi_host =
-      RendererPpapiHost::GetForPPInstance(instance)->GetPpapiHost();
-  if (!resource || !ppapi_host)
-    return NULL;
-  return static_cast<HostType*>(ppapi_host->GetResourceHost(resource));
-}
-
 }  // namespace
 
 PepperPluginDelegateImpl::PepperPluginDelegateImpl(RenderViewImpl* render_view)
@@ -1032,23 +1023,21 @@ void PepperPluginDelegateImpl::WillHandleMouseEvent() {
 
 bool PepperPluginDelegateImpl::IsFileSystemOpened(PP_Instance instance,
                                                   PP_Resource resource) const {
-  const PepperFileSystemHost* host =
-      GetRendererResourceHost<PepperFileSystemHost>(instance, resource);
-  return host && host->IsOpened();
+  return ppapi::host::FileSystemRegistry::GetInstance()->
+      LookUp(instance, resource).IsOpened();
 }
 
 PP_FileSystemType PepperPluginDelegateImpl::GetFileSystemType(
-    PP_Instance instance, PP_Resource resource) const {
-  const PepperFileSystemHost* host =
-      GetRendererResourceHost<PepperFileSystemHost>(instance, resource);
-  return host ? host->GetType() : PP_FILESYSTEMTYPE_INVALID;
+    PP_Instance instance,
+    PP_Resource resource) const {
+  return ppapi::host::FileSystemRegistry::GetInstance()->
+      LookUp(instance, resource).GetType();
 }
 
 GURL PepperPluginDelegateImpl::GetFileSystemRootUrl(
     PP_Instance instance, PP_Resource resource) const {
-  const PepperFileSystemHost* host =
-      GetRendererResourceHost<PepperFileSystemHost>(instance, resource);
-  return host ? host->GetRootUrl() : GURL();
+  return ppapi::host::FileSystemRegistry::GetInstance()->
+      LookUp(instance, resource).GetRootUrl();
 }
 
 bool PepperPluginDelegateImpl::MakeDirectory(