Add data reduction proxy debug info to net-internals#bandwidth

chrome/browser/net/chrome_network_delegate.h

Index: chrome/browser/net/chrome_network_delegate.h
diff --git a/chrome/browser/net/chrome_network_delegate.h b/chrome/browser/net/chrome_network_delegate.h
index ed0a939f27fa9be37ba4c2d03ebbb23c653a03a7..1c0e1eb264fe796dab8abdf16d081e75cbb9e734 100644
--- a/chrome/browser/net/chrome_network_delegate.h
+++ b/chrome/browser/net/chrome_network_delegate.h
@@ -14,6 +14,7 @@
 #include "base/memory/scoped_ptr.h"
 #include "base/values.h"
 #include "components/data_reduction_proxy/core/browser/data_reduction_proxy_metrics.h"
+#include "components/data_reduction_proxy/core/common/data_reduction_proxy_event_store.h"
 #include "net/base/network_delegate.h"
 #include "net/proxy/proxy_retry_info.h"
 
@@ -37,6 +38,7 @@ class Predictor;
 
 namespace data_reduction_proxy {
 class DataReductionProxyAuthRequestHandler;
+class DataReductionProxyEventStore;
 class DataReductionProxyParams;
 class DataReductionProxyStatisticsPrefs;
 class DataReductionProxyUsageStats;
@@ -188,6 +190,13 @@ class ChromeNetworkDelegate : public net::NetworkDelegate {
     data_reduction_proxy_statistics_prefs_ = statistics_prefs;
   }
 
+  // |data_reduction_proxy_event_store_| must outlive this
+  // ChromeNetworkDelegate.
+  void set_data_reduction_proxy_event_store(
+      data_reduction_proxy::DataReductionProxyEventStore* event_store) {
+    data_reduction_proxy_event_store_ = event_store;
+  }
+
   void set_on_resolve_proxy_handler(OnResolveProxyHandler handler) {
     on_resolve_proxy_handler_ = handler;
   }
@@ -227,6 +236,14 @@ class ChromeNetworkDelegate : public net::NetworkDelegate {
   // responsible for deleting the returned value.
   base::Value* SessionNetworkStatsInfoToValue() const;
 
+  // Creates a Value summary of data reduction proxy related information:
+  // - Whether the proxy is enabled
+  // - The proxy configuration
+  // - The state of the last canary response
+  // - A stream of the last data reduction proxy related events.
+  // The caller is responsible for deleting the returned value.
+  base::Value* DataReductionProxyInfoToValue() const;
+
  private:
   friend class ChromeNetworkDelegateTest;
 
@@ -343,6 +360,10 @@ class ChromeNetworkDelegate : public net::NetworkDelegate {
       data_reduction_proxy_auth_request_handler_;
   data_reduction_proxy::DataReductionProxyStatisticsPrefs*
       data_reduction_proxy_statistics_prefs_;
+  // |data_reduction_proxy_event_store_| must outlive this
+  // ChromeNetworkDelegate.
+  data_reduction_proxy::DataReductionProxyEventStore*
+      data_reduction_proxy_event_store_;
 
   OnResolveProxyHandler on_resolve_proxy_handler_;
   ProxyConfigGetter proxy_config_getter_;