Replace FileUtilProxy with FileProxy in renderer_host/pepper

base/files/file_proxy.cc

Index: base/files/file_proxy.cc
diff --git a/base/files/file_proxy.cc b/base/files/file_proxy.cc
index fa04d7c44e883aaebf3eef1c068839244aae3d96..291b98d1117fbc190a15e5b8b8e31d70ab1b3b74 100644
--- a/base/files/file_proxy.cc
+++ b/base/files/file_proxy.cc
@@ -265,10 +265,19 @@ bool FileProxy::IsValid() const {
   return file_.IsValid();
 }
 
+void FileProxy::SetFile(File file) {
+  DCHECK(!file_.IsValid());
+  file_ = file.Pass();
+}
+
 File FileProxy::TakeFile() {
   return file_.Pass();
 }
 
+PlatformFile FileProxy::GetPlatformFile() const {
+  return file_.GetPlatformFile();
+}
+
 bool FileProxy::Close(const StatusCallback& callback) {
   DCHECK(file_.IsValid());
   GenericFileHelper* helper = new GenericFileHelper(this, file_.Pass());
@@ -347,9 +356,4 @@ bool FileProxy::Flush(const StatusCallback& callback) {
       Bind(&GenericFileHelper::Reply, Owned(helper), callback));
 }
 
-void FileProxy::SetFile(File file) {
-  DCHECK(!file_.IsValid());
-  file_ = file.Pass();
-}
-
 }  // namespace base