Create content\public\test\test_utils.h to hold common test classes that are used by unit and brows…

chrome/browser/ui/panels/test_panel_active_state_observer.h

Index: chrome/browser/ui/panels/test_panel_active_state_observer.h
===================================================================
--- chrome/browser/ui/panels/test_panel_active_state_observer.h	(revision 147577)
+++ chrome/browser/ui/panels/test_panel_active_state_observer.h	(working copy)
@@ -5,10 +5,16 @@
 #ifndef CHROME_BROWSER_UI_PANELS_TEST_PANEL_ACTIVE_STATE_OBSERVER_H_
 #define CHROME_BROWSER_UI_PANELS_TEST_PANEL_ACTIVE_STATE_OBSERVER_H_
 
-#include "chrome/test/base/ui_test_utils.h"
+#include "base/memory/ref_counted.h"
+#include "content/public/browser/notification_observer.h"
+#include "content/public/browser/notification_registrar.h"
 
 class Panel;
 
+namespace content {
+class MessageLoopRunner;
+}
+
 // Custom notification observer for waiting on panel active state.
 // Modeled after ui_test_utils notification observers.
 class PanelActiveStateObserver : public content::NotificationObserver {
@@ -34,7 +40,7 @@
   bool seen_;  // true after transition to expected state has been seen
   bool running_;  // indicates whether message loop is running
   content::NotificationRegistrar registrar_;
-  scoped_refptr<ui_test_utils::MessageLoopRunner> message_loop_runner_;
+  scoped_refptr<content::MessageLoopRunner> message_loop_runner_;
 
   DISALLOW_COPY_AND_ASSIGN(PanelActiveStateObserver);
 };