Enable fast user switching in Win8/Ash mode.

chrome/browser/ui/views/frame/browser_non_client_frame_view_ash.cc

Index: chrome/browser/ui/views/frame/browser_non_client_frame_view_ash.cc
diff --git a/chrome/browser/ui/views/frame/browser_non_client_frame_view_ash.cc b/chrome/browser/ui/views/frame/browser_non_client_frame_view_ash.cc
index 32683c1535109142d32b245c2126ff373f37e3ef..378448f67213980245258338e3dae0a31dc4f99b 100644
--- a/chrome/browser/ui/views/frame/browser_non_client_frame_view_ash.cc
+++ b/chrome/browser/ui/views/frame/browser_non_client_frame_view_ash.cc
@@ -456,7 +456,12 @@ gfx::ImageSkia BrowserNonClientFrameViewAsh::GetFaviconForTabIconView() {
 void BrowserNonClientFrameViewAsh::ButtonPressed(views::Button* sender,
                                                  const ui::Event& event) {
   DCHECK(sender == new_avatar_button());
-  chrome::ExecuteCommand(browser_view()->browser(), IDC_SHOW_AVATAR_MENU);
+  int command = IDC_SHOW_AVATAR_MENU;
+  if (event.IsMouseEvent() &&
+      static_cast<const ui::MouseEvent&>(event).IsRightMouseButton()) {
+    command = IDC_SHOW_FAST_USER_SWITCHER;
+  }
+  chrome::ExecuteCommand(browser_view()->browser(), command);
 }
 
 ///////////////////////////////////////////////////////////////////////////////