Support FileSystem URL in File object

net/base/upload_data.cc

Index: net/base/upload_data.cc
diff --git a/net/base/upload_data.cc b/net/base/upload_data.cc
index b13e9091e8cb0051caeb26a516ba1cd806f600d0..480cfdfd03b10e6732143957b63f847419608dce 100644
--- a/net/base/upload_data.cc
+++ b/net/base/upload_data.cc
@@ -70,6 +70,8 @@ uint64 UploadData::Element::GetContentLength() {
     // The blob reference will be resolved later.
     return 0;
 
+  // Assume we have no TYPE_FILE_FILESYSTEM items at this stage.
+
   DCHECK_EQ(TYPE_FILE, type_);
   DCHECK(!file_stream_);
 
@@ -230,6 +232,16 @@ void UploadData::AppendFileRange(const FilePath& file_path,
                                       expected_modification_time);
 }
 
+void UploadData::AppendFileSystemFileRange(
+    const GURL& url,
+    uint64 offset, uint64 length,
+    const base::Time& expected_modification_time) {
+  DCHECK(!is_chunked_);
+  elements_.push_back(Element());
+  elements_.back().SetToFileSystemURLRange(url, offset, length,
+                                           expected_modification_time);
+}
+
 void UploadData::AppendBlob(const GURL& blob_url) {
   DCHECK(!is_chunked_);
   elements_.push_back(Element());