Update data reduction proxy statistics prefs less often on desktop

chrome/browser/resources/net_internals/bandwidth_view.js

Index: chrome/browser/resources/net_internals/bandwidth_view.js
diff --git a/chrome/browser/resources/net_internals/bandwidth_view.js b/chrome/browser/resources/net_internals/bandwidth_view.js
index 9f0e4e61cb95a1d8f67fee60365adb2352f5d267..8e2ce81c9bbaeefa6192f2ddefe55fd4a85ec208 100644
--- a/chrome/browser/resources/net_internals/bandwidth_view.js
+++ b/chrome/browser/resources/net_internals/bandwidth_view.js
@@ -73,9 +73,11 @@ var BandwidthView = (function() {
       var sessionOriginal = sessionNetworkStats.session_original_content_length;
       var sessionReceived = sessionNetworkStats.session_received_content_length;
       var historicOriginal =
-          historicNetworkStats.historic_original_content_length;
+          historicNetworkStats.historic_original_content_length +
+          sessionOriginal;
       var historicReceived =
-          historicNetworkStats.historic_received_content_length;
+          historicNetworkStats.historic_received_content_length +
+          sessionReceived;

[mmenke, 2014/09/15 15:11:02]

Why the change?  We still include session prefs in kHttpReceivedContentLength,
don't we?  We just don't update the two as often.

[megjablon, 2014/09/15 18:19:23]

Ah I didn't understand how historic_received_content_length was being updated.
Ya, this won't work, but historic values will only be updated with the session
values added in every hour. 

 
       var rows = [];
       rows.push({