Reland: URLRequestJob: change ReadRawData contract

content/browser/fileapi/file_writer_delegate_unittest.cc

Index: content/browser/fileapi/file_writer_delegate_unittest.cc
diff --git a/content/browser/fileapi/file_writer_delegate_unittest.cc b/content/browser/fileapi/file_writer_delegate_unittest.cc
index c9bcfbb7177a2a530c28db3c42e5163a94ba93b4..9eb73b14204f89ead0884fa83ac01627e7736cb4 100644
--- a/content/browser/fileapi/file_writer_delegate_unittest.cc
+++ b/content/browser/fileapi/file_writer_delegate_unittest.cc
@@ -184,17 +184,15 @@ class FileWriterDelegateTestJob : public net::URLRequestJob {
         base::Bind(&FileWriterDelegateTestJob::NotifyHeadersComplete, this));
   }
 
-  bool ReadRawData(net::IOBuffer* buf, int buf_size, int* bytes_read) override {
+  int ReadRawData(net::IOBuffer* buf, int buf_size) override {
     if (remaining_bytes_ < buf_size)
-      buf_size = static_cast<int>(remaining_bytes_);
+      buf_size = remaining_bytes_;
 
     for (int i = 0; i < buf_size; ++i)
       buf->data()[i] = content_[cursor_++];
     remaining_bytes_ -= buf_size;
 
-    SetStatus(net::URLRequestStatus());
-    *bytes_read = buf_size;
-    return true;
+    return buf_size;
   }
 
   int GetResponseCode() const override { return 200; }