Move session network stats from IO to UI

components/data_reduction_proxy/core/browser/data_reduction_proxy_test_utils.cc

Index: components/data_reduction_proxy/core/browser/data_reduction_proxy_test_utils.cc
diff --git a/components/data_reduction_proxy/core/browser/data_reduction_proxy_test_utils.cc b/components/data_reduction_proxy/core/browser/data_reduction_proxy_test_utils.cc
index d19e4c03bb9eb0061cf720d3034a553a507cfd63..b163408e5081a52e3957269ee5844753240372c4 100644
--- a/components/data_reduction_proxy/core/browser/data_reduction_proxy_test_utils.cc
+++ b/components/data_reduction_proxy/core/browser/data_reduction_proxy_test_utils.cc
@@ -226,6 +226,8 @@ TestDataReductionProxyIOData::TestDataReductionProxyIOData(
     : DataReductionProxyIOData(),
       service_set_(false),
       pingback_reporting_fraction_(0.0f),
+      original_content_length_(0),
+      actual_content_length_(0),
       test_request_options_(request_options.get()) {
   io_task_runner_ = task_runner;
   ui_task_runner_ = task_runner;
@@ -257,6 +259,20 @@ void TestDataReductionProxyIOData::SetDataReductionProxyService(
   service_set_ = true;
 }
 
+void TestDataReductionProxyIOData::UpdateContentLengths(
+    int64_t data_used,
+    int64_t original_size,
+    bool data_reduction_proxy_enabled,
+    DataReductionProxyRequestType request_type,
+    const scoped_refptr<DataUseGroup>& data_usage_source,
+    const std::string& mime_type) {
+  original_content_length_ += original_size;
+  actual_content_length_ += data_used;
+  DataReductionProxyIOData::UpdateContentLengths(
+      data_used, original_size, data_reduction_proxy_enabled, request_type,
+      data_usage_source, mime_type);
+}
+
 TestDataStore::TestDataStore() {}
 
 TestDataStore::~TestDataStore() {}