Revert 221284 "Pepper: Move FileRef to the "new" resource proxy."

trunk/src/content/browser/renderer_host/pepper/pepper_file_ref_host.cc

Index: trunk/src/content/browser/renderer_host/pepper/pepper_file_ref_host.cc
===================================================================
--- trunk/src/content/browser/renderer_host/pepper/pepper_file_ref_host.cc	(revision 221543)
+++ trunk/src/content/browser/renderer_host/pepper/pepper_file_ref_host.cc	(working copy)
@@ -62,9 +62,9 @@
   }
 
   fs_type_ = fs_host->GetType();
+  // TODO(teravest): Add support for isolated filesystems.
   if ((fs_type_ != PP_FILESYSTEMTYPE_LOCALPERSISTENT) &&
-      (fs_type_ != PP_FILESYSTEMTYPE_LOCALTEMPORARY) &&
-      (fs_type_ != PP_FILESYSTEMTYPE_ISOLATED)) {
+      (fs_type_ != PP_FILESYSTEMTYPE_LOCALTEMPORARY)) {
     DLOG(ERROR) << "Unsupported filesystem type: " << fs_type_;
     return;
   }
@@ -116,6 +116,18 @@
   return fileapi::FileSystemURL();
 }
 
+std::string PepperFileRefHost::GetFileSystemURLSpec() const {
+  if (backend_)
+    return backend_->GetFileSystemURLSpec();
+  return std::string();
+}
+
+base::FilePath PepperFileRefHost::GetExternalPath() const {
+  if (backend_)
+    return backend_->GetExternalPath();
+  return base::FilePath();
+}
+
 int32_t PepperFileRefHost::CanRead() const {
   if (backend_)
     return backend_->CanRead();