Remove the code that prevents task blocking if not expecting frames

components/scheduler/renderer/renderer_scheduler_impl_unittest.cc

 // Copyright 2014 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 "components/scheduler/renderer/renderer_scheduler_impl.h"
 
 #include <utility>
 
 #include "base/callback.h"
 #include "base/macros.h"
@@ skipping 2264 matching lines @@
             ForceUpdatePolicyAndGetCurrentUseCase());
   EXPECT_TRUE(HaveSeenABeginMainframe());
   EXPECT_FALSE(LoadingTasksSeemExpensive());
   EXPECT_TRUE(TimerTasksSeemExpensive());
   EXPECT_TRUE(TouchStartExpectedSoon());
   EXPECT_THAT(run_order, testing::ElementsAre(std::string("T1"),
                                               std::string("D1")));
 }
 
 TEST_F(RendererSchedulerImplTest,
-       ExpensiveTimerTaskNotBlocked_IfBeginMainFrameNotExpectedSoon) {
+       ExpensiveTimerTaskBlocked_EvenIfBeginMainFrameNotExpectedSoon) {
   std::vector<std::string> run_order;
 
   scheduler_->SetHasVisibleRenderWidgetWithTouchHandler(true);
   DoMainFrame();
   SimulateExpensiveTasks(timer_task_runner_);
   ForceTouchStartToBeExpectedSoon();
   scheduler_->BeginFrameNotExpectedSoon();
 
   PostTestTasks(&run_order, "T1 D1");
   RunUntilIdle();
 
   EXPECT_EQ(UseCase::NONE, ForceUpdatePolicyAndGetCurrentUseCase());
   EXPECT_TRUE(HaveSeenABeginMainframe());
   EXPECT_FALSE(LoadingTasksSeemExpensive());
-  EXPECT_FALSE(TimerTasksSeemExpensive());
+  EXPECT_TRUE(TimerTasksSeemExpensive());
   EXPECT_TRUE(TouchStartExpectedSoon());
-  EXPECT_THAT(run_order,
-              testing::ElementsAre(std::string("T1"), std::string("D1")));
+  EXPECT_THAT(run_order, testing::ElementsAre(std::string("D1")));
 }
 
 TEST_F(RendererSchedulerImplTest,
        ExpensiveLoadingTasksNotBlockedIfNavigationExpected) {
   std::vector<std::string> run_order;
 
   DoMainFrame();
   scheduler_->SetHasVisibleRenderWidgetWithTouchHandler(true);
   SimulateExpensiveTasks(loading_task_runner_);
   ForceTouchStartToBeExpectedSoon();
@@ skipping 448 matching lines @@
 
   EXPECT_EQ(UseCase::SYNCHRONIZED_GESTURE,
             ForceUpdatePolicyAndGetCurrentUseCase());
 
   EXPECT_TRUE(TimerTasksSeemExpensive());
   EXPECT_TRUE(TouchStartExpectedSoon());
   EXPECT_FALSE(scheduler_->TimerTaskRunner()->IsQueueEnabled());
 }
 
 }  // namespace scheduler