Move data reduction proxy logic out of chrome and android webview network delegate

components/data_reduction_proxy/core/browser/data_reduction_proxy_metrics_unittest.cc

Index: components/data_reduction_proxy/core/browser/data_reduction_proxy_metrics_unittest.cc
diff --git a/components/data_reduction_proxy/core/browser/data_reduction_proxy_metrics_unittest.cc b/components/data_reduction_proxy/core/browser/data_reduction_proxy_metrics_unittest.cc
index b0b574df9c8c109f9c82a092d8a49545fbe3befc..444ee3978be5eed0aa7f137e0d111aa92a2da485 100644
--- a/components/data_reduction_proxy/core/browser/data_reduction_proxy_metrics_unittest.cc
+++ b/components/data_reduction_proxy/core/browser/data_reduction_proxy_metrics_unittest.cc
@@ -95,9 +95,13 @@ TEST_F(ChromeNetworkDataSavingMetricsTest, TotalLengths) {
   const int64 kOriginalLength = 200;
   const int64 kReceivedLength = 100;
 
+  BooleanPrefMember data_reduction_proxy_enabled;
+  data_reduction_proxy_enabled.Init(
+      data_reduction_proxy::prefs::kDataReductionProxyEnabled, &pref_service_);
+
   UpdateContentLengthPrefs(
       kReceivedLength, kOriginalLength,
-      &pref_service_, UNKNOWN_TYPE, statistics_prefs_.get());
+      &data_reduction_proxy_enabled, UNKNOWN_TYPE, statistics_prefs_.get());
 
   EXPECT_EQ(kReceivedLength,
             statistics_prefs_->GetInt64(
@@ -111,7 +115,7 @@ TEST_F(ChromeNetworkDataSavingMetricsTest, TotalLengths) {
   // Record the same numbers again, and total lengths should be doubled.
   UpdateContentLengthPrefs(
       kReceivedLength, kOriginalLength,
-      &pref_service_, UNKNOWN_TYPE, statistics_prefs_.get());
+      &data_reduction_proxy_enabled, UNKNOWN_TYPE, statistics_prefs_.get());
 
   EXPECT_EQ(kReceivedLength * 2,
             statistics_prefs_->GetInt64(
@@ -121,6 +125,7 @@ TEST_F(ChromeNetworkDataSavingMetricsTest, TotalLengths) {
   EXPECT_EQ(kOriginalLength * 2,
             statistics_prefs_->GetInt64(
                 data_reduction_proxy::prefs::kHttpOriginalContentLength));
+  data_reduction_proxy_enabled.Destroy();
 }
 
 // The initial last update time used in test. There is no leap second a few