URLRequestJob: change ReadRawData contract

mojo/services/network/url_loader_impl_apptest.cc

Index: mojo/services/network/url_loader_impl_apptest.cc
diff --git a/mojo/services/network/url_loader_impl_apptest.cc b/mojo/services/network/url_loader_impl_apptest.cc
index 2fb2210f032971cc6cfb07cb85091150f3772364..76c1fee69747c1431881541445d567f0d84262ea 100644
--- a/mojo/services/network/url_loader_impl_apptest.cc
+++ b/mojo/services/network/url_loader_impl_apptest.cc
@@ -49,30 +49,22 @@ class TestURLRequestJob : public net::URLRequestJob {
 
   void Start() override { status_ = STARTED; }
 
-  bool ReadRawData(net::IOBuffer* buf, int buf_size, int* bytes_read) override {
+  int ReadRawData(net::IOBuffer* buf, int buf_size) override {
     status_ = READING;
     buf_size_ = buf_size;
-    SetStatus(net::URLRequestStatus(net::URLRequestStatus::IO_PENDING, 0));
-    return false;
+    return net::ERR_IO_PENDING;
   }
 
   void NotifyHeadersComplete() { net::URLRequestJob::NotifyHeadersComplete(); }
 
-  void NotifyReadComplete(int bytes_read) {
-    if (bytes_read < 0) {
-      status_ = COMPLETED;
-      NotifyDone(net::URLRequestStatus(
-          net::URLRequestStatus::FromError(net::ERR_FAILED)));
-      net::URLRequestJob::NotifyReadComplete(0);
-    } else if (bytes_read == 0) {
-      status_ = COMPLETED;
-      NotifyDone(net::URLRequestStatus());
-      net::URLRequestJob::NotifyReadComplete(bytes_read);
-    } else {
-      status_ = STARTED;
-      SetStatus(net::URLRequestStatus());
-      net::URLRequestJob::NotifyReadComplete(bytes_read);
-    }
+  void NotifyReadComplete(int result) {
+    status_ = result <= 0 ? COMPLETED : STARTED;
+
+    // Map errors to net::ERR_FAILED.
+    if (result < 0)
+      result = net::ERR_FAILED;
+
+    ReadRawDataComplete(result);
   }
 
  private: