Make URLRequest::Read to return net errors or bytes read instead of a bool

content/browser/webui/url_data_manager_backend_unittest.cc

Index: content/browser/webui/url_data_manager_backend_unittest.cc
diff --git a/content/browser/webui/url_data_manager_backend_unittest.cc b/content/browser/webui/url_data_manager_backend_unittest.cc
index fdf50037d742ea0f07625a2b00e1903f4ac83b9a..3c995c632369d581d49673d3b5a48df33abea2e1 100644
--- a/content/browser/webui/url_data_manager_backend_unittest.cc
+++ b/content/browser/webui/url_data_manager_backend_unittest.cc
@@ -26,15 +26,15 @@ class CancelAfterFirstReadURLRequestDelegate : public net::TestDelegate {
 
   ~CancelAfterFirstReadURLRequestDelegate() override {}
 
-  void OnResponseStarted(net::URLRequest* request) override {
+  void OnResponseStarted(net::URLRequest* request, int net_error) override {
     // net::TestDelegate will start the first read.
-    TestDelegate::OnResponseStarted(request);
+    TestDelegate::OnResponseStarted(request, net_error);
     request->Cancel();
   }
 
   void OnReadCompleted(net::URLRequest* request, int bytes_read) override {
     // Read should have been cancelled.
-    EXPECT_EQ(-1, bytes_read);
+    EXPECT_EQ(net::ERR_ABORTED, bytes_read);
   }
 
  private: