Revert of Disable flaky TextureLayerChangeInvisibleMailboxTest.RunMultiThread_DelegatingRenderer

cc/test/layer_tree_test.h

 // Copyright 2011 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.
 
 #ifndef CC_TEST_LAYER_TREE_TEST_H_
 #define CC_TEST_LAYER_TREE_TEST_H_
 
 #include "base/memory/ref_counted.h"
 #include "base/threading/thread.h"
 #include "cc/animation/animation_delegate.h"
@@ skipping 193 matching lines @@
 };
 
 }  // namespace cc
 
 #define SINGLE_THREAD_TEST_F(TEST_FIXTURE_NAME)                   \
   TEST_F(TEST_FIXTURE_NAME, RunSingleThread_DelegatingRenderer) { \
     RunTest(CompositorMode::SINGLE_THREADED);                     \
   }                                                               \
   class SingleThreadDelegatingImplNeedsSemicolon##TEST_FIXTURE_NAME {}
 
-// This test is flaky, so marked with DISABLED (https://crbug.com/702329)
-#define MULTI_THREAD_TEST_F(TEST_FIXTURE_NAME)                            \
-  TEST_F(TEST_FIXTURE_NAME, DISABLED_RunMultiThread_DelegatingRenderer) { \
-    RunTest(CompositorMode::THREADED);                                    \
-  }                                                                       \
+#define MULTI_THREAD_TEST_F(TEST_FIXTURE_NAME)                   \
+  TEST_F(TEST_FIXTURE_NAME, RunMultiThread_DelegatingRenderer) { \
+    RunTest(CompositorMode::THREADED);                           \
+  }                                                              \
   class MultiThreadDelegatingImplNeedsSemicolon##TEST_FIXTURE_NAME {}
 
 #define SINGLE_AND_MULTI_THREAD_TEST_F(TEST_FIXTURE_NAME) \
   SINGLE_THREAD_TEST_F(TEST_FIXTURE_NAME);                \
   MULTI_THREAD_TEST_F(TEST_FIXTURE_NAME)
 
 #define REMOTE_AND_MULTI_THREAD_TEST_F(TEST_FIXTURE_NAME) \
   MULTI_THREAD_TEST_F(TEST_FIXTURE_NAME);                 \
   REMOTE_TEST_F(TEST_FIXTURE_NAME)
 
 // Some tests want to control when notify ready for activation occurs,
 // but this is not supported in the single-threaded case.
 #define MULTI_THREAD_BLOCKNOTIFY_TEST_F(TEST_FIXTURE_NAME) \
   MULTI_THREAD_TEST_F(TEST_FIXTURE_NAME)
 
 #endif  // CC_TEST_LAYER_TREE_TEST_H_