Reporting: Set up in ProfileImplIOData.

net/url_request/url_request_unittest.cc

Index: net/url_request/url_request_unittest.cc
diff --git a/net/url_request/url_request_unittest.cc b/net/url_request/url_request_unittest.cc
index e2a6a5d712e6ccc64cef1a7f16b3641eca54f827..f2f64411708d06921344f1fd0ac7cc03c27e8a77 100644
--- a/net/url_request/url_request_unittest.cc
+++ b/net/url_request/url_request_unittest.cc
@@ -6639,10 +6639,12 @@ class TestReportingService : public ReportingService {
     std::string header_value;
   };
 
-  ~TestReportingService() override {}
-
   const std::vector<Header>& headers() { return headers_; }
 
+  // ReportingService implementation:
+
+  ~TestReportingService() override {}
+
   void QueueReport(const GURL& url,
                    const std::string& group,
                    const std::string& type,