Moves calling TaskbarList::SetOverlayIcon to a separate thread. It

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

Index: chrome/browser/ui/views/frame/browser_non_client_frame_view.cc
diff --git a/chrome/browser/ui/views/frame/browser_non_client_frame_view.cc b/chrome/browser/ui/views/frame/browser_non_client_frame_view.cc
index 74e04ee6b45cc5cdda187a9eec1336d02cf3b17b..10cbc9db0daefedb3f12a2d863d89d61e7892a12 100644
--- a/chrome/browser/ui/views/frame/browser_non_client_frame_view.cc
+++ b/chrome/browser/ui/views/frame/browser_non_client_frame_view.cc
@@ -12,6 +12,7 @@
 #include "chrome/browser/profiles/profile_manager.h"
 #include "chrome/browser/ui/views/avatar_menu_button.h"
 #include "chrome/browser/ui/views/frame/browser_view.h"
+#include "chrome/browser/ui/views/frame/taskbar_decorator.h"
 #include "grit/theme_resources.h"
 #include "ui/base/resource/resource_bundle.h"
 #include "ui/gfx/image/image.h"
@@ -71,9 +72,9 @@ void BrowserNonClientFrameView::UpdateAvatarInfo() {
   // need to draw the taskbar decoration.
   if (AvatarMenuModel::ShouldShowAvatarMenu() ||
       ManagedMode::IsInManagedMode()) {
-    DrawTaskBarDecoration(frame_->GetNativeWindow(), &avatar);
+    chrome::DrawTaskbarDecoration(frame_->GetNativeWindow(), &avatar);
   } else {
-    DrawTaskBarDecoration(frame_->GetNativeWindow(), NULL);
+    chrome::DrawTaskbarDecoration(frame_->GetNativeWindow(), NULL);
   }
 }