Snackbar for promoting Data Saver to existing users

chrome/browser/net/spdyproxy/data_reduction_proxy_settings_android.cc

Index: chrome/browser/net/spdyproxy/data_reduction_proxy_settings_android.cc
diff --git a/chrome/browser/net/spdyproxy/data_reduction_proxy_settings_android.cc b/chrome/browser/net/spdyproxy/data_reduction_proxy_settings_android.cc
index baa6931723e75473f45fdf9683b738ce75f9f4e9..49e70c928db158fd7cc2b7cbc7d3872505ca3f8e 100644
--- a/chrome/browser/net/spdyproxy/data_reduction_proxy_settings_android.cc
+++ b/chrome/browser/net/spdyproxy/data_reduction_proxy_settings_android.cc
@@ -116,6 +116,12 @@ DataReductionProxySettingsAndroid::GetContentLengths(
                                     received_content_length);
 }
 
+jlong DataReductionProxySettingsAndroid::GetTotalHttpContentLengthSaved(
+    JNIEnv* env,
+    const JavaParamRef<jobject>& obj) {
+  return Settings()->GetTotalHttpContentLengthSaved();
+}
+
 ScopedJavaLocalRef<jlongArray>
 DataReductionProxySettingsAndroid::GetDailyOriginalContentLengths(
     JNIEnv* env,