Add more data to net-internals view of DNS cache

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

Index: chrome/browser/ui/webui/net_internals/net_internals_ui_browsertest.cc
diff --git a/chrome/browser/ui/webui/net_internals/net_internals_ui_browsertest.cc b/chrome/browser/ui/webui/net_internals/net_internals_ui_browsertest.cc
index 4ca4af2b5a7c0fc040222af80bfd88170f5d2194..c11dfe2a9bca0f7eb8f7538bafa711dc211c2baa 100644
--- a/chrome/browser/ui/webui/net_internals/net_internals_ui_browsertest.cc
+++ b/chrome/browser/ui/webui/net_internals/net_internals_ui_browsertest.cc
@@ -35,6 +35,7 @@
 #include "content/public/browser/web_ui_message_handler.h"
 #include "net/base/address_list.h"
 #include "net/base/net_errors.h"
+#include "net/base/network_change_notifier.h"
 #include "net/dns/host_cache.h"
 #include "net/dns/host_resolver.h"
 #include "net/dns/mock_host_resolver.h"
@@ -117,6 +118,9 @@ class NetInternalsTest::MessageHandler : public content::WebUIMessageHandler {
   // must be an empty string.
   void AddCacheEntry(const base::ListValue* list_value);
 
+  // Simulates a network change.
+  void ChangeNetwork(const base::ListValue* list_value);
+
   // Opens the given URL in a new tab.
   void LoadPage(const base::ListValue* list_value);
 
@@ -164,6 +168,10 @@ void NetInternalsTest::MessageHandler::RegisterMessages() {
   web_ui()->RegisterMessageCallback("addCacheEntry",
       base::Bind(&NetInternalsTest::MessageHandler::AddCacheEntry,
                  base::Unretained(this)));
+  web_ui()->RegisterMessageCallback(
+      "changeNetwork",
+      base::Bind(&NetInternalsTest::MessageHandler::ChangeNetwork,
+                 base::Unretained(this)));
   web_ui()->RegisterMessageCallback("loadPage",
       base::Bind(&NetInternalsTest::MessageHandler::LoadPage,
                   base::Unretained(this)));
@@ -224,6 +232,11 @@ void NetInternalsTest::MessageHandler::AddCacheEntry(
                  static_cast<int>(expire_days_from_now)));
 }
 
+void NetInternalsTest::MessageHandler::ChangeNetwork(
+    const base::ListValue* list_value) {
+  net::NetworkChangeNotifier::NotifyObserversOfIPAddressChangeForTests();
+}
+
 void NetInternalsTest::MessageHandler::LoadPage(
     const base::ListValue* list_value) {
   std::string url;