URLRequestJob: change ReadRawData contract

content/test/net/url_request_abort_on_end_job.cc

Index: content/test/net/url_request_abort_on_end_job.cc
diff --git a/content/test/net/url_request_abort_on_end_job.cc b/content/test/net/url_request_abort_on_end_job.cc
index f7ff5a9dd84bf0f1e759e62211fddbbb74fb0035..872a5721acce4ff525fe5079970225d80edec3d9 100644
--- a/content/test/net/url_request_abort_on_end_job.cc
+++ b/content/test/net/url_request_abort_on_end_job.cc
@@ -111,20 +111,16 @@ void URLRequestAbortOnEndJob::Start() {
                             weak_factory_.GetWeakPtr()));
 }
 
-bool URLRequestAbortOnEndJob::ReadRawData(net::IOBuffer* buf,
-                                          const int max_bytes,
-                                          int* bytes_read) {
+int URLRequestAbortOnEndJob::ReadRawData(net::IOBuffer* buf, int max_bytes) {
   if (!sent_data_) {
-    *bytes_read = std::min(size_t(max_bytes), sizeof(kPageContent));
-    std::memcpy(buf->data(), kPageContent, *bytes_read);
+    max_bytes =
+        std::min(max_bytes, base::checked_cast<int>(sizeof(kPageContent)));
+    std::memcpy(buf->data(), kPageContent, max_bytes);
     sent_data_ = true;
-    return true;
+    return max_bytes;
   }
 
-  SetStatus(net::URLRequestStatus(net::URLRequestStatus::FAILED,
-                                  net::ERR_CONNECTION_ABORTED));
-  *bytes_read = -1;
-  return false;
+  return net::ERR_CONNECTION_ABORTED;
 }
 
 }  // namespace content