Add task runners to more tests

chrome/browser/ui/toolbar/wrench_icon_painter_unittest.cc

Index: chrome/browser/ui/toolbar/wrench_icon_painter_unittest.cc
diff --git a/chrome/browser/ui/toolbar/wrench_icon_painter_unittest.cc b/chrome/browser/ui/toolbar/wrench_icon_painter_unittest.cc
index 5d225107e30a1637ae5a2c9b69370fc22cb75848..3c83f7c2a6643302be4f45118fe9e180b7602d90 100644
--- a/chrome/browser/ui/toolbar/wrench_icon_painter_unittest.cc
+++ b/chrome/browser/ui/toolbar/wrench_icon_painter_unittest.cc
@@ -4,10 +4,10 @@
 
 #include "chrome/browser/ui/toolbar/wrench_icon_painter.h"
 
-#include "base/message_loop/message_loop.h"
 #include "chrome/browser/themes/theme_service.h"
 #include "chrome/browser/themes/theme_service_factory.h"
 #include "chrome/test/base/testing_profile.h"
+#include "content/public/test/test_browser_thread_bundle.h"
 #include "grit/theme_resources.h"
 #include "testing/gtest/include/gtest/gtest.h"
 #include "ui/gfx/canvas.h"
@@ -23,7 +23,8 @@ class WrenchIconPainterTest : public testing::Test,
   void ScheduleWrenchIconPaint() override { ++schedule_paint_count_; }
 
  protected:
-  base::MessageLoopForUI message_loop_;  // Needed for gfx::Animation.
+  // Needed for gfx::Animation and the testing profile.
+  content::TestBrowserThreadBundle thread_bundle_;
   TestingProfile profile_;
   int schedule_paint_count_;
   ui::ThemeProvider* theme_provider_;