Snackbar for promoting Data Saver to existing users

components/data_reduction_proxy/core/browser/data_reduction_proxy_settings.cc

Index: components/data_reduction_proxy/core/browser/data_reduction_proxy_settings.cc
diff --git a/components/data_reduction_proxy/core/browser/data_reduction_proxy_settings.cc b/components/data_reduction_proxy/core/browser/data_reduction_proxy_settings.cc
index 92851186a1d460a139a8e29fc3708a71e5475c38..72eb2b1d3722fccd47a9fe1f31bc56ef47f5a5e6 100644
--- a/components/data_reduction_proxy/core/browser/data_reduction_proxy_settings.cc
+++ b/components/data_reduction_proxy/core/browser/data_reduction_proxy_settings.cc
@@ -151,6 +151,20 @@ int64_t DataReductionProxySettings::GetDataReductionLastUpdateTime() {
       data_reduction_proxy_service_->compression_stats()->GetLastUpdateTime();
 }
 
+int64_t DataReductionProxySettings::GetHttpReceivedContentLength() {
+  DCHECK(thread_checker_.CalledOnValidThread());
+  DCHECK(data_reduction_proxy_service_->compression_stats());

[tbansal1, 2016/10/25 18:10:04]

This DCHECK is unnecessary since if
data_reduction_proxy_service_->compression_stats() is null, then Chrome is
anyways going to crash on next line (both on release and debug builds).

Same comment on Line 163 below.

[megjablon, 2016/10/25 22:14:19]

Done.

+  return data_reduction_proxy_service_->compression_stats()
+      ->GetHttpReceivedContentLength();
+}
+
+int64_t DataReductionProxySettings::GetHttpOriginalContentLength() {
+  DCHECK(thread_checker_.CalledOnValidThread());
+  DCHECK(data_reduction_proxy_service_->compression_stats());
+  return data_reduction_proxy_service_->compression_stats()
+      ->GetHttpOriginalContentLength();
+}
+
 void DataReductionProxySettings::SetUnreachable(bool unreachable) {
   unreachable_ = unreachable;
 }