[Pepper][FileAPI] Interface clean up (3/6)

webkit/browser/fileapi/quota/open_file_handle.cc

Index: webkit/browser/fileapi/quota/open_file_handle.cc
diff --git a/webkit/browser/fileapi/quota/open_file_handle.cc b/webkit/browser/fileapi/quota/open_file_handle.cc
index f0f69c665877d40052dc0a4bdbc36bf9c6cfcc4d..8ebb94656214410c4146eed59a3fa05f44a31f28 100644
--- a/webkit/browser/fileapi/quota/open_file_handle.cc
+++ b/webkit/browser/fileapi/quota/open_file_handle.cc
@@ -13,21 +13,17 @@ OpenFileHandle::~OpenFileHandle() {
   DCHECK(sequence_checker_.CalledOnValidSequencedThread());
 }
 
-int64 OpenFileHandle::UpdateMaxWrittenOffset(int64 offset) {
+void OpenFileHandle::UpdateMaxWrittenOffset(int64 offset) {
   DCHECK(sequence_checker_.CalledOnValidSequencedThread());
 
-  int64 new_file_size = 0;
-  int64 growth = 0;
-  context_->UpdateMaxWrittenOffset(offset, &new_file_size, &growth);
-
+  int64 growth = context_->UpdateMaxWrittenOffset(offset);
   if (growth > 0)
     reservation_->ConsumeReservation(growth);
-
-  return new_file_size;
 }
 
-int64 OpenFileHandle::base_file_size() const {
-  return context_->base_file_size();
+int64 OpenFileHandle::GetEstimatedFileSize() const {
+  DCHECK(sequence_checker_.CalledOnValidSequencedThread());
+  return context_->GetEstimatedFileSize();
 }
 
 OpenFileHandle::OpenFileHandle(QuotaReservation* reservation,