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

chrome/browser/ui/browser.cc

Index: chrome/browser/ui/browser.cc
diff --git a/chrome/browser/ui/browser.cc b/chrome/browser/ui/browser.cc
index ae074e772b3e73b66b4f19e957ed49c7a52f56e5..7eff218d8ffe4b60ad9dd98284554ca43736b592 100644
--- a/chrome/browser/ui/browser.cc
+++ b/chrome/browser/ui/browser.cc
@@ -1846,18 +1846,11 @@ void Browser::OpenCreateShortcutsDialog() {
 }
 
 void Browser::ToggleDevToolsWindow(DevToolsToggleAction action) {
-  std::string uma_string;
-  switch (action) {
-    case DEVTOOLS_TOGGLE_ACTION_SHOW_CONSOLE:
-      uma_string = "DevTools_ToggleConsole";
-      break;
-    case DEVTOOLS_TOGGLE_ACTION_NONE:
-    case DEVTOOLS_TOGGLE_ACTION_INSPECT:
-    default:
-      uma_string = "DevTools_ToggleWindow";
-      break;
-  }
-  UserMetrics::RecordAction(UserMetricsAction(uma_string.c_str()));
+  if (action == DEVTOOLS_TOGGLE_ACTION_SHOW_CONSOLE)
+    UserMetrics::RecordAction(UserMetricsAction("DevTools_ToggleConsole"));
+  else
+    UserMetrics::RecordAction(UserMetricsAction("DevTools_ToggleWindow"));
+
   DevToolsManager::GetInstance()->ToggleDevToolsWindow(
       GetSelectedTabContentsWrapper()->render_view_host(), action);
 }