Update UMA user actions parsing, primarily to include WebUI metrics.

chrome/browser/ui/webui/options/browser_options_handler.cc

Index: chrome/browser/ui/webui/options/browser_options_handler.cc
diff --git a/chrome/browser/ui/webui/options/browser_options_handler.cc b/chrome/browser/ui/webui/options/browser_options_handler.cc
index 3eadb9aaab8dcdbf2063e33e0911dbf5455610ee..0c9ac641d3185cd412dd090c11b176355127f26a 100644
--- a/chrome/browser/ui/webui/options/browser_options_handler.cc
+++ b/chrome/browser/ui/webui/options/browser_options_handler.cc
@@ -193,7 +193,7 @@ void BrowserOptionsHandler::BecomeDefaultBrowser(const ListValue* args) {
   if (default_browser_policy_.IsManaged())
     return;
 
-  UserMetricsRecordAction(UserMetricsAction("Options_SetAsDefaultBrowser"));
+  UserMetrics::RecordAction(UserMetricsAction("Options_SetAsDefaultBrowser"));
 #if defined(OS_MACOSX)
   if (ShellIntegration::SetAsDefaultBrowser())
     UpdateDefaultBrowserState();
@@ -294,7 +294,7 @@ void BrowserOptionsHandler::SetDefaultSearchEngine(const ListValue* args) {
       selected_index < static_cast<int>(model_urls.size()))
     template_url_service_->SetDefaultSearchProvider(model_urls[selected_index]);
 
-  UserMetricsRecordAction(UserMetricsAction("Options_SearchEngineChanged"));
+  UserMetrics::RecordAction(UserMetricsAction("Options_SearchEngineChanged"));
 }
 
 void BrowserOptionsHandler::UpdateSearchEngines() {