Move session network stats from IO to UI

components/data_reduction_proxy/core/browser/data_reduction_proxy_test_utils.h

Index: components/data_reduction_proxy/core/browser/data_reduction_proxy_test_utils.h
diff --git a/components/data_reduction_proxy/core/browser/data_reduction_proxy_test_utils.h b/components/data_reduction_proxy/core/browser/data_reduction_proxy_test_utils.h
index e42557f3a0e7426cd43486289154a0977fedefcc..c2a935dc88a86a8ba78e6da8269133337d68ecfa 100644
--- a/components/data_reduction_proxy/core/browser/data_reduction_proxy_test_utils.h
+++ b/components/data_reduction_proxy/core/browser/data_reduction_proxy_test_utils.h
@@ -236,6 +236,18 @@ class TestDataReductionProxyIOData : public DataReductionProxyIOData {
     return pingback_reporting_fraction_;
   }
 
+  int64_t original_content_length() const { return original_content_length_; }
+
+  int64_t actual_content_length() const { return actual_content_length_; }
+
+  void 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) override;
+
  private:
   // Allowed SetDataReductionProxyService to be re-entrant.
   bool service_set_;
@@ -243,6 +255,10 @@ class TestDataReductionProxyIOData : public DataReductionProxyIOData {
   // Reporting fraction last set via SetPingbackReportingFraction.
   float pingback_reporting_fraction_;
 
+  // The total original and actual lengths seen so far.
+  int64_t original_content_length_;

[tbansal1, 2016/12/20 23:20:48]

Is it possible to not define these variables in the test file, and call the
methods on the compression stats directly? It would be great if we did not have
to duplicate this.

[RyanSturm, 2016/12/21 00:10:20]

Done.

+  int64_t actual_content_length_;
+
   TestDataReductionProxyRequestOptions* test_request_options_;
 };