Update data reduction proxy statistics prefs less often on desktop

android_webview/browser/net/aw_url_request_context_getter.cc

Index: android_webview/browser/net/aw_url_request_context_getter.cc
diff --git a/android_webview/browser/net/aw_url_request_context_getter.cc b/android_webview/browser/net/aw_url_request_context_getter.cc
index 6e39cd79cce587003a430172276bbcd81324d69c..9082134a6a692bbea23f557e3e176096a5542b2e 100644
--- a/android_webview/browser/net/aw_url_request_context_getter.cc
+++ b/android_webview/browser/net/aw_url_request_context_getter.cc
@@ -236,6 +236,9 @@ void AwURLRequestContextGetter::InitializeURLRequestContext() {
           data_reduction_proxy_settings->params(),
           BrowserThread::GetMessageLoopProxyForThread(BrowserThread::IO)));
 
+  // Compression statistics are not gathered for WebView, so
+  // DataReductionProxyStatisticsPrefs is not instantiated and passed to the
+  // network delegate.

[benm (inactive), 2014/09/10 09:26:32]

Out of interest, what would it take to start gathering compression stats for
WebView?

Would the stats be gathered on a per-app basis or would they be aggregated based
on device?

   aw_network_delegate->set_data_reduction_proxy_params(
       data_reduction_proxy_settings->params());
   aw_network_delegate->set_data_reduction_proxy_auth_request_handler(