Enable VulkanFenceHelperTest.SkiaCallbackAfterFences on Windows

The GPU driver on bot win10 gtx1660 has been updated to the latest
version. Let's enable the test to try it on that bot.

TBR=cwallez@chromium.org
Bug: 1066854

Change-Id: Ibc9d078f9a7bb96fe83f03ebada357b63b72bf04
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/2136453Reviewed-by: Peng Huang <penghuang@chromium.org>
Commit-Queue: Peng Huang <penghuang@chromium.org>
Cr-Commit-Position: refs/heads/master@{#756529}

gpu/vulkan/vulkan_fence_helper_unittest.cc

@@ -5,7 +5,6 @@
 #include "testing/gtest/include/gtest/gtest.h"
 
 #include "base/bind.h"
-#include "build/build_config.h"
 #include "gpu/vulkan/tests/basic_vulkan_test.h"
 #include "gpu/vulkan/vulkan_device_queue.h"
 #include "gpu/vulkan/vulkan_fence_helper.h"
@@ -148,13 +147,7 @@ TEST_F(VulkanFenceHelperTest, SkiaCallbackBeforeFences) {
   EXPECT_EQ(10u, cleanups_run);
 }
 
-// The test failed on Win with GTX1660 GPU.
-// https://crbug.com/1066854
-#if defined(OS_WIN)
-TEST_F(VulkanFenceHelperTest, DISABLED_SkiaCallbackAfterFences) {
-#else
 TEST_F(VulkanFenceHelperTest, SkiaCallbackAfterFences) {
-#endif
   VulkanFenceHelper* fence_helper = GetDeviceQueue()->GetFenceHelper();
   uint32_t cleanups_run = 0;
   auto increment_cleanups_callback =
@@ -175,8 +168,7 @@ TEST_F(VulkanFenceHelperTest, SkiaCallbackAfterFences) {
       fence_helper->GenerateCleanupFence();
   EXPECT_TRUE(fence_handle.is_valid());
 
-  // Call vkQueueWaitIdle() to make sure the |fence_handle| is passed,
-  // however it doesn't work on Win with GTX1660 GPU.
+  // Call vkQueueWaitIdle() to make sure the |fence_handle| is passed.
   vkQueueWaitIdle(queue());
 
   // Enqueue 5 more callbacks.