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

chrome/browser/ui/webui/net_internals/net_internals_ui.cc

Index: chrome/browser/ui/webui/net_internals/net_internals_ui.cc
diff --git a/chrome/browser/ui/webui/net_internals/net_internals_ui.cc b/chrome/browser/ui/webui/net_internals/net_internals_ui.cc
index 1f55dd854a0a0b85df580d0ea194d66baaeaf261..2c2fb2d8c2ab8a10805ca8c6676a9284bfdba526 100644
--- a/chrome/browser/ui/webui/net_internals/net_internals_ui.cc
+++ b/chrome/browser/ui/webui/net_internals/net_internals_ui.cc
@@ -37,6 +37,8 @@
 #include "chrome/browser/net/chrome_net_log.h"
 #include "chrome/browser/net/chrome_network_delegate.h"
 #include "chrome/browser/net/connection_tester.h"
+#include "chrome/browser/net/spdyproxy/data_reduction_proxy_chrome_settings.h"
+#include "chrome/browser/net/spdyproxy/data_reduction_proxy_chrome_settings_factory.h"
 #include "chrome/browser/prerender/prerender_manager.h"
 #include "chrome/browser/prerender/prerender_manager_factory.h"
 #include "chrome/browser/profiles/profile.h"
@@ -44,6 +46,7 @@
 #include "chrome/common/chrome_version_info.h"
 #include "chrome/common/url_constants.h"
 #include "components/data_reduction_proxy/core/browser/data_reduction_proxy_network_delegate.h"
+#include "components/data_reduction_proxy/core/common/data_reduction_proxy_event_store.h"
 #include "components/onc/onc_constants.h"
 #include "components/url_fixer/url_fixer.h"
 #include "content/public/browser/browser_thread.h"
@@ -215,6 +218,7 @@ class NetInternalsMessageHandler
   void OnGetPrerenderInfo(const base::ListValue* list);
   void OnGetHistoricNetworkStats(const base::ListValue* list);
   void OnGetExtensionInfo(const base::ListValue* list);
+  void OnGetDataReductionProxyInfo(const base::ListValue* list);
 #if defined(OS_CHROMEOS)
   void OnRefreshSystemLogs(const base::ListValue* list);
   void OnGetSystemLog(const base::ListValue* list);
@@ -579,6 +583,10 @@ void NetInternalsMessageHandler::RegisterMessages() {
       "getExtensionInfo",
       base::Bind(&NetInternalsMessageHandler::OnGetExtensionInfo,
                  base::Unretained(this)));
+  web_ui()->RegisterMessageCallback(
+      "getDataReductionProxyInfo",
+      base::Bind(&NetInternalsMessageHandler::OnGetDataReductionProxyInfo,
+                 base::Unretained(this)));
 #if defined(OS_CHROMEOS)
   web_ui()->RegisterMessageCallback(
       "refreshSystemLogs",
@@ -685,6 +693,19 @@ void NetInternalsMessageHandler::OnGetExtensionInfo(
   SendJavascriptCommand("receivedExtensionInfo", extension_list);
 }
 
+void NetInternalsMessageHandler::OnGetDataReductionProxyInfo(
+    const base::ListValue* list) {
+  DCHECK_CURRENTLY_ON(BrowserThread::UI);
+  Profile* profile = Profile::FromWebUI(web_ui());
+  DataReductionProxyChromeSettings* data_reduction_proxy_settings =
+      DataReductionProxyChromeSettingsFactory::GetForBrowserContext(profile);
+  data_reduction_proxy::DataReductionProxyEventStore* event_store =
+      data_reduction_proxy_settings->GetEventStore();
+  SendJavascriptCommand(
+      "receivedDataReductionProxyInfo",
+      (event_store == nullptr) ? nullptr : event_store->GetSummaryValue());
+}
+
 #if defined(OS_CHROMEOS)
 ////////////////////////////////////////////////////////////////////////////////
 //
@@ -1431,6 +1452,9 @@ base::Value* NetInternalsUI::GetConstants() {
                     CommandLine::ForCurrentProcess()->GetCommandLineString());
 
     constants_dict->Set("clientInfo", dict);
+
+    data_reduction_proxy::DataReductionProxyEventStore::AddConstants(
+        constants_dict.get());
   }
 
   return constants_dict.release();