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

components/data_reduction_proxy/core/browser/data_reduction_proxy_metrics.cc

Index: components/data_reduction_proxy/core/browser/data_reduction_proxy_metrics.cc
diff --git a/components/data_reduction_proxy/core/browser/data_reduction_proxy_metrics.cc b/components/data_reduction_proxy/core/browser/data_reduction_proxy_metrics.cc
index af0932b0c25b00dcccf86e472c074386b5a0bbe8..5c1423b1f561076a8d739a9a9b605c0a6e901bbe 100644
--- a/components/data_reduction_proxy/core/browser/data_reduction_proxy_metrics.cc
+++ b/components/data_reduction_proxy/core/browser/data_reduction_proxy_metrics.cc
@@ -466,11 +466,12 @@ void UpdateContentLengthPrefsForDataReductionProxy(
   }
 }
 
-void UpdateContentLengthPrefs(int received_content_length,
-                              int original_content_length,
-                              PrefService* profile_prefs,
-                              DataReductionProxyRequestType request_type,
-                              DataReductionProxyStatisticsPrefs* prefs) {
+void UpdateContentLengthPrefs(
+    int received_content_length,
+    int original_content_length,
+    bool data_reduction_proxy_enabled,
+    DataReductionProxyRequestType request_type,
+    DataReductionProxyStatisticsPrefs* prefs) {
   int64 total_received = prefs->GetInt64(
       data_reduction_proxy::prefs::kHttpReceivedContentLength);
   int64 total_original = prefs->GetInt64(
@@ -484,13 +485,10 @@ void UpdateContentLengthPrefs(int received_content_length,
       data_reduction_proxy::prefs::kHttpOriginalContentLength,
       total_original);
 
-  bool with_data_reduction_proxy_enabled =
-      profile_prefs->GetBoolean(
-          data_reduction_proxy::prefs::kDataReductionProxyEnabled);
   UpdateContentLengthPrefsForDataReductionProxy(
       received_content_length,
       original_content_length,
-      with_data_reduction_proxy_enabled,
+      data_reduction_proxy_enabled,
       request_type,
       base::Time::Now(),
       prefs);