Assert event timestamp to be monotonic and not from future

third_party/WebKit/Source/platform/testing/TestingPlatformSupport.cpp

 /*
  * Copyright (C) 2014 Google Inc. All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions are
  * met:
  *
  *     * Redistributions of source code must retain the above copyright
  * notice, this list of conditions and the following disclaimer.
  *     * Redistributions in binary form must reproduce the above
@@ skipping 146 matching lines @@
 TestingPlatformSupportWithMockScheduler::TestingPlatformSupportWithMockScheduler(const Config& config)
     : TestingPlatformSupport(config)
     , m_clock(new base::SimpleTestTickClock())
     , m_mockTaskRunner(new cc::OrderedSimpleTaskRunner(m_clock.get(), true))
     , m_scheduler(new scheduler::RendererSchedulerImpl(scheduler::SchedulerTqmDelegateForTest::Create(m_mockTaskRunner, base::WrapUnique(new scheduler::TestTimeSource(m_clock.get())))))
     , m_thread(m_scheduler->CreateMainThread())
 {
     // Set the work batch size to one so RunPendingTasks behaves as expected.
     m_scheduler->GetSchedulerHelperForTesting()->SetWorkBatchSizeForTesting(1);
 
-    WTF::setTimeFunctionsForTesting(getTestTime);
+    WTF::setMonotonicallyIncreasingTimeFunctionForTesting(getTestTime);
 }
 
 TestingPlatformSupportWithMockScheduler::~TestingPlatformSupportWithMockScheduler()
 {
-    WTF::setTimeFunctionsForTesting(nullptr);
+    WTF::setMonotonicallyIncreasingTimeFunctionForTesting(nullptr);
     m_scheduler->Shutdown();
 }
 
 WebThread* TestingPlatformSupportWithMockScheduler::currentThread()
 {
     if (m_thread->isCurrentThread())
         return m_thread.get();
     return TestingPlatformSupport::currentThread();
 }
 
@@ skipping 54 matching lines @@
     base::test::InitializeICUForTesting();
 
     m_discardableMemoryAllocator = wrapUnique(new base::TestDiscardableMemoryAllocator);
     base::DiscardableMemoryAllocator::SetInstance(m_discardableMemoryAllocator.get());
     base::StatisticsRecorder::Initialize();
 
     m_platform = wrapUnique(new DummyPlatform);
     Platform::setCurrentPlatformForTesting(m_platform.get());
 
     WTF::Partitions::initialize(nullptr);
-    WTF::setTimeFunctionsForTesting(dummyCurrentTime);
+    WTF::setMonotonicallyIncreasingTimeFunctionForTesting(dummyCurrentTime);
+    WTF::setCurrentTimeFunctionForTesting(dummyCurrentTime);
     WTF::initialize(nullptr);
 
     m_compositorSupport = wrapUnique(new cc_blink::WebCompositorSupportImpl);
     m_testingPlatformConfig.compositorSupport = m_compositorSupport.get();
     m_testingPlatformSupport = wrapUnique(new TestingPlatformSupport(m_testingPlatformConfig));
 
     ProcessHeap::init();
     ThreadState::attachMainThread();
     ThreadState::current()->registerTraceDOMWrappers(nullptr, nullptr, nullptr, nullptr);
     EventTracer::initialize();
     HTTPNames::init();
 }
 
 ScopedUnittestsEnvironmentSetup::~ScopedUnittestsEnvironmentSetup()
 {
 }
 
 } // namespace blink