Prepare for Unified Gesture Recognizer landing in Aura

ui/aura/gestures/gesture_recognizer_unittest.cc

 // Copyright (c) 2012 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "base/command_line.h"
 #include "base/memory/scoped_vector.h"
 #include "base/run_loop.h"
 #include "base/strings/string_number_conversions.h"
 #include "base/timer/timer.h"
 #include "testing/gtest/include/gtest/gtest.h"
@@ skipping 671 matching lines @@
   virtual void SetUp() OVERRIDE {
     // TODO(tdresser): Once unified GR has landed, only run these tests once.
     CommandLine::ForCurrentProcess()->AppendSwitchASCII(
         switches::kUnifiedGestureDetector,
         UsingUnifiedGR() ? switches::kUnifiedGestureDetectorEnabled
                          : switches::kUnifiedGestureDetectorDisabled);
 
     AuraTestBase::SetUp();
   }
 
-  virtual void TearDown() OVERRIDE {
-    AuraTestBase::TearDown();
-    RunAllPendingInMessageLoop();
-  }
-
   DISALLOW_COPY_AND_ASSIGN(GestureRecognizerTest);
 };
 
 // Check that appropriate touch events generate tap gesture events.
 TEST_P(GestureRecognizerTest, GestureEventTap) {
   scoped_ptr<GestureEventConsumeDelegate> delegate(
       new GestureEventConsumeDelegate());
   TimedEvents tes;
   const int kWindowWidth = 123;
   const int kWindowHeight = 45;
@@ skipping 3567 matching lines @@
   DispatchEventUsingWindowDispatcher(&move1);
   EXPECT_NE(default_flags, delegate->flags());
 }
 
 INSTANTIATE_TEST_CASE_P(GestureRecognizer,
                         GestureRecognizerTest,
                         ::testing::Bool());
 
 }  // namespace test
 }  // namespace aura