Bring up the Fast User Switcher on Shift+Click on the new Avatar Button

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

Index: chrome/browser/ui/views/frame/opaque_browser_frame_view.cc
diff --git a/chrome/browser/ui/views/frame/opaque_browser_frame_view.cc b/chrome/browser/ui/views/frame/opaque_browser_frame_view.cc
index 1815dea8947f52d17ae09f7f3716cbbba7450272..f44789229a1464e521442b3f3decc228c54d5d21 100644
--- a/chrome/browser/ui/views/frame/opaque_browser_frame_view.cc
+++ b/chrome/browser/ui/views/frame/opaque_browser_frame_view.cc
@@ -327,9 +327,24 @@ void OpaqueBrowserFrameView::ButtonPressed(views::Button* sender,
   } else if (sender == close_button_) {
     frame()->Close();
   } else if (sender == new_avatar_button()) {
-    browser_view()->ShowAvatarBubbleFromAvatarButton(
-        BrowserWindow::AVATAR_BUBBLE_MODE_DEFAULT,
+    BrowserWindow::AvatarBubbleMode mode =
+      BrowserWindow::AVATAR_BUBBLE_MODE_DEFAULT;
+    if (!switches::IsFastUserSwitching()) {
+      if (event.IsMouseEvent() &&
+       static_cast<const ui::MouseEvent&>(event).IsLeftMouseButton()){

[Roger Tawa OOO till Jul 10th, 2015/01/29 23:00:35]

Space before {

[anthonyvd, 2015/01/30 15:02:20]

Done.

+        browser_view()->ShowAvatarBubbleFromAvatarButton(
+          mode,
+          signin::ManageAccountsParams());
+      }
+    } else {
+      if (event.IsMouseEvent() &&
+       static_cast<const ui::MouseEvent&>(event).IsRightMouseButton()) {
+        mode = BrowserWindow::AVATAR_BUBBLE_MODE_FAST_USER_SWITCH;
+      }
+      browser_view()->ShowAvatarBubbleFromAvatarButton(
+        mode,
         signin::ManageAccountsParams());
+    }
   }
 }