Move calling of shared browser test methods like SetUpOnMainThread/TearDownOnMainThread/RunTestOn...

chrome/browser/chromeos/system/tray_accessibility_browsertest.cc

Index: chrome/browser/chromeos/system/tray_accessibility_browsertest.cc
diff --git a/chrome/browser/chromeos/system/tray_accessibility_browsertest.cc b/chrome/browser/chromeos/system/tray_accessibility_browsertest.cc
index f884de448e15ca0766e0ae495a54ff2f43d55c52..029933c679280a56af03e2ba1cb4e7ecca2d84e1 100644
--- a/chrome/browser/chromeos/system/tray_accessibility_browsertest.cc
+++ b/chrome/browser/chromeos/system/tray_accessibility_browsertest.cc
@@ -87,12 +87,8 @@ class TrayAccessibilityTest
   void SetUpOnMainThread() override {
     AccessibilityManager::Get()->SetProfileForTest(GetProfile());
     MagnificationManager::Get()->SetProfileForTest(GetProfile());
-  }
-
-  void RunTestOnMainThreadLoop() override {
     // Need to mark oobe completed to show detailed views.
     StartupUtils::MarkOobeCompleted();
-    InProcessBrowserTest::RunTestOnMainThreadLoop();
   }
 
   void TearDownOnMainThread() override {