Improve speed of 2D canvas hibernation unit tests

third_party/WebKit/Source/platform/graphics/Canvas2DLayerBridge.cpp

 /*
  * Copyright (C) 2012 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:
  *
  * 1.  Redistributions of source code must retain the above copyright
  *     notice, this list of conditions and the following disclaimer.
  * 2.  Redistributions in binary form must reproduce the above copyright
@@ skipping 362 matching lines @@
 static void hibernateWrapper(WeakPtr<Canvas2DLayerBridge> bridge, double /*idleDeadline*/)
 {
     if (bridge) {
         bridge->hibernate();
     } else {
         Canvas2DLayerBridge::Logger localLogger;
         localLogger.reportHibernationEvent(Canvas2DLayerBridge::HibernationAbortedDueToDestructionWhileHibernatePending);
     }
 }
 
+static void hibernateWrapperForTesting(WeakPtr<Canvas2DLayerBridge> bridge)
+{
+    hibernateWrapper(bridge, 0);
+}
+
 void Canvas2DLayerBridge::hibernate()
 {
     DCHECK(!isHibernating());
     DCHECK(m_hibernationScheduled);
 
     m_hibernationScheduled = false;
 
     if (m_destructionInProgress) {
         m_logger->reportHibernationEvent(HibernationAbortedDueToPendingDestruction);
         return;
@@ skipping 206 matching lines @@
     bool newHiddenValue = hidden || m_destructionInProgress;
     if (m_isHidden == newHiddenValue)
         return;
 
     m_isHidden = newHiddenValue;
     if (CANVAS2D_HIBERNATION_ENABLED && m_surface && isHidden() && !m_destructionInProgress && !m_hibernationScheduled) {
         if (m_layer)
             m_layer->clearTexture();
         m_logger->reportHibernationEvent(HibernationScheduled);
         m_hibernationScheduled = true;
-        Platform::current()->currentThread()->scheduler()->postIdleTask(BLINK_FROM_HERE, WTF::bind(&hibernateWrapper, m_weakPtrFactory.createWeakPtr()));
+        if (m_dontUseIdleSchedulingForTesting) {
+            Platform::current()->currentThread()->getWebTaskRunner()->postTask(BLINK_FROM_HERE, WTF::bind(&hibernateWrapperForTesting, m_weakPtrFactory.createWeakPtr()));
+        } else {
+            Platform::current()->currentThread()->scheduler()->postIdleTask(BLINK_FROM_HERE, WTF::bind(&hibernateWrapper, m_weakPtrFactory.createWeakPtr()));
+        }
     }
     if (!isHidden() && m_softwareRenderingWhileHidden) {
         flushRecordingOnly();
         SkPaint copyPaint;
         copyPaint.setXfermodeMode(SkXfermode::kSrc_Mode);
 
         sk_sp<SkSurface> oldSurface = std::move(m_surface);
         m_surface.reset();
 
         m_softwareRenderingWhileHidden = false;
@@ skipping 393 matching lines @@
 Canvas2DLayerBridge::MailboxInfo::MailboxInfo() = default;
 Canvas2DLayerBridge::MailboxInfo::MailboxInfo(const MailboxInfo& other) = default;
 
 void Canvas2DLayerBridge::Logger::reportHibernationEvent(HibernationEvent event)
 {
     DEFINE_STATIC_LOCAL(EnumerationHistogram, hibernationHistogram, ("Canvas.HibernationEvents", HibernationEventCount));
     hibernationHistogram.count(event);
 }
 
 } // namespace blink