The UMA stat for the Wrench menu was only firing when Alt+F was pressed, not ...

chrome/browser/ui/views/wrench_menu.cc

Index: chrome/browser/ui/views/wrench_menu.cc
===================================================================
--- chrome/browser/ui/views/wrench_menu.cc	(revision 70876)
+++ chrome/browser/ui/views/wrench_menu.cc	(working copy)
@@ -1,4 +1,4 @@
-// Copyright (c) 2010 The Chromium Authors. All rights reserved.
+// Copyright (c) 2011 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
@@ -11,6 +11,7 @@
 #include "base/string_number_conversions.h"
 #include "base/utf_string_conversions.h"
 #include "chrome/app/chrome_command_ids.h"
+#include "chrome/browser/metrics/user_metrics.h"
 #include "chrome/browser/profiles/profile.h"
 #include "chrome/browser/tab_contents/tab_contents.h"
 #include "chrome/browser/ui/browser.h"
@@ -589,6 +590,7 @@
   gfx::Point screen_loc;
   views::View::ConvertPointToScreen(host, &screen_loc);
   gfx::Rect bounds(screen_loc, host->size());
+  UserMetrics::RecordAction(UserMetricsAction("ShowAppMenu"));

[sky, 2011/01/10 16:03:05]

This only handles windows.

   root_->RunMenuAt(host->GetWindow()->GetNativeWindow(), host, bounds,
       base::i18n::IsRTL() ? MenuItemView::TOPLEFT : MenuItemView::TOPRIGHT,
       true);