Keep a TaskScheduler instance in RenderWidgetHostViewGuestTest

content/browser/frame_host/render_widget_host_view_guest_unittest.cc

Index: content/browser/frame_host/render_widget_host_view_guest_unittest.cc
diff --git a/content/browser/frame_host/render_widget_host_view_guest_unittest.cc b/content/browser/frame_host/render_widget_host_view_guest_unittest.cc
index bfba0e346f3dedd4af988d1a11d301090a27b85b..4075de103545790da8d0168ad89ccc272358affa 100644
--- a/content/browser/frame_host/render_widget_host_view_guest_unittest.cc
+++ b/content/browser/frame_host/render_widget_host_view_guest_unittest.cc
@@ -11,6 +11,7 @@
 #include "base/message_loop/message_loop.h"
 #include "base/run_loop.h"
 #include "base/single_thread_task_runner.h"
+#include "base/test/scoped_task_scheduler.h"
 #include "build/build_config.h"
 #include "cc/surfaces/surface.h"
 #include "cc/surfaces/surface_factory.h"
@@ -53,7 +54,7 @@ class MockRenderWidgetHostDelegate : public RenderWidgetHostDelegate {
 
 class RenderWidgetHostViewGuestTest : public testing::Test {
  public:
-  RenderWidgetHostViewGuestTest() {}
+  RenderWidgetHostViewGuestTest() : task_scheduler_(&message_loop_) {}
 
   void SetUp() override {
 #if !defined(OS_ANDROID)
@@ -96,6 +97,7 @@ class RenderWidgetHostViewGuestTest : public testing::Test {
 
  protected:
   base::MessageLoopForUI message_loop_;
+  base::test::ScopedTaskScheduler task_scheduler_;

[alexmos, 2017/02/23 22:31:54]

Perhaps also add a quick comment here why this is needed?

[tzik, 2017/02/23 23:49:42]

Done.

   std::unique_ptr<BrowserContext> browser_context_;
   MockRenderWidgetHostDelegate delegate_;
 
@@ -114,13 +116,7 @@ class RenderWidgetHostViewGuestTest : public testing::Test {
 
 }  // namespace
 
-// Fails on Windows, crbug.com/695375.
-#if defined(OS_WIN)
-#define MAYBE_VisibilityTest DISABLED_VisibilityTest
-#else
-#define MAYBE_VisibilityTest VisibilityTest
-#endif
-TEST_F(RenderWidgetHostViewGuestTest, MAYBE_VisibilityTest) {
+TEST_F(RenderWidgetHostViewGuestTest, VisibilityTest) {
   view_->Show();
   ASSERT_TRUE(view_->IsShowing());