Remove the deprecated function ExtensionService::extensions().

chrome/browser/feedback/system_logs/log_sources/chrome_internal_log_source.cc

Index: chrome/browser/feedback/system_logs/log_sources/chrome_internal_log_source.cc
diff --git a/chrome/browser/feedback/system_logs/log_sources/chrome_internal_log_source.cc b/chrome/browser/feedback/system_logs/log_sources/chrome_internal_log_source.cc
index e334630e24dd3d567c41ea76f441b1af2ee7a0c0..254b14ed038632b529c0536ec4c32034547269de 100644
--- a/chrome/browser/feedback/system_logs/log_sources/chrome_internal_log_source.cc
+++ b/chrome/browser/feedback/system_logs/log_sources/chrome_internal_log_source.cc
@@ -7,14 +7,13 @@
 #include "base/json/json_string_value_serializer.h"
 #include "base/sys_info.h"
 #include "chrome/browser/browser_process.h"
-#include "chrome/browser/extensions/extension_service.h"
 #include "chrome/browser/metrics/chrome_metrics_service_accessor.h"
 #include "chrome/browser/profiles/profile_manager.h"
 #include "chrome/browser/sync/about_sync_util.h"
 #include "chrome/browser/sync/profile_sync_service_factory.h"
 #include "chrome/common/chrome_version_info.h"
 #include "content/public/browser/browser_thread.h"
-#include "extensions/browser/extension_system.h"
+#include "extensions/browser/extension_registry.h"
 #include "extensions/common/extension.h"
 #include "extensions/common/extension_set.h"
 
@@ -109,17 +108,11 @@ void ChromeInternalLogSource::PopulateExtensionInfoLogs(
   if (!primary_profile)
     return;
 
-  ExtensionService* service =
-      extensions::ExtensionSystem::Get(primary_profile)->extension_service();
-  if (!service)
-    return;
-
+  extensions::ExtensionRegistry* extension_registry =
+      extensions::ExtensionRegistry::Get(primary_profile);
   std::string extensions_list;
-  const extensions::ExtensionSet* extensions = service->extensions();
-  for (extensions::ExtensionSet::const_iterator it = extensions->begin();
-       it != extensions->end();
-       ++it) {
-    const extensions::Extension* extension = it->get();
+  for (const scoped_refptr<const extensions::Extension>& extension :
+       extension_registry->enabled_extensions()) {
     if (extensions_list.empty()) {
       extensions_list = extension->name();
     } else {