Change WTF::TemporaryChange to be an alias for AutoReset

third_party/WebKit/Source/core/frame/FrameView.cpp

 /*
  * Copyright (C) 1998, 1999 Torben Weis <weis@kde.org>
  *                     1999 Lars Knoll <knoll@kde.org>
  *                     1999 Antti Koivisto <koivisto@kde.org>
  *                     2000 Dirk Mueller <mueller@kde.org>
  * Copyright (C) 2004, 2005, 2006, 2007, 2008 Apple Inc. All rights reserved.
  *           (C) 2006 Graham Dennis (graham.dennis@gmail.com)
  *           (C) 2006 Alexey Proskuryakov (ap@nypop.com)
  * Copyright (C) 2009 Google Inc. All rights reserved.
  *
@@ skipping 97 matching lines @@
 #include "platform/graphics/paint/PaintController.h"
 #include "platform/scheduler/CancellableTaskFactory.h"
 #include "platform/scroll/ScrollAnimatorBase.h"
 #include "platform/scroll/ScrollbarTheme.h"
 #include "platform/text/TextStream.h"
 #include "public/platform/WebDisplayItemList.h"
 #include "public/platform/WebFrameScheduler.h"
 #include "wtf/CurrentTime.h"
 #include "wtf/PtrUtil.h"
 #include "wtf/StdLibExtras.h"
-#include "wtf/TemporaryChange.h"
 #include <memory>
 
 namespace blink {
 
 using namespace HTMLNames;
 
 // The maximum number of updateWidgets iterations that should be done before returning.
 static const unsigned maxUpdateWidgetsIterations = 2;
 static const double resourcePriorityUpdateDelayAfterScroll = 0.250;
 
@@ skipping 424 matching lines @@
             updateScrollbars();
     }
 
     setContentsSize(size);
 }
 
 void FrameView::adjustViewSizeAndLayout()
 {
     adjustViewSize();
     if (needsLayout()) {
-        TemporaryChange<bool> suppressAdjustViewSize(m_suppressAdjustViewSize, true);
+        AutoReset<bool> suppressAdjustViewSize(&m_suppressAdjustViewSize, true);
         layout();
     }
 }
 
 void FrameView::calculateScrollbarModesFromOverflowStyle(const ComputedStyle* style, ScrollbarMode& hMode, ScrollbarMode& vMode)
 {
     hMode = vMode = ScrollbarAuto;
 
     EOverflow overflowX = style->overflowX();
     EOverflow overflowY = style->overflowY();
@@ skipping 207 matching lines @@
     ASSERT(frameView);
     frameView->layout();
 }
 
 void FrameView::performPreLayoutTasks()
 {
     TRACE_EVENT0("blink,benchmark", "FrameView::performPreLayoutTasks");
     lifecycle().advanceTo(DocumentLifecycle::InPreLayout);
 
     // Don't schedule more layouts, we're in one.
-    TemporaryChange<bool> changeSchedulingEnabled(m_layoutSchedulingEnabled, false);
+    AutoReset<bool> changeSchedulingEnabled(&m_layoutSchedulingEnabled, false);
 
     if (!m_nestedLayoutCount && !m_inSynchronousPostLayout && m_postLayoutTasksTimer.isActive()) {
         // This is a new top-level layout. If there are any remaining tasks from the previous layout, finish them now.
         m_inSynchronousPostLayout = true;
         performPostLayoutTasks();
         m_inSynchronousPostLayout = false;
     }
 
     bool wasResized = wasViewportResized();
     Document* document = m_frame->document();
@@ skipping 157 matching lines @@
 
     performPreLayoutTasks();
 
     Document* document = m_frame->document();
 
     // TODO(crbug.com/460956): The notion of a single root for layout is no longer applicable. Remove or update this code.
     LayoutObject* rootForThisLayout = layoutView();
 
     FontCachePurgePreventer fontCachePurgePreventer;
     {
-        TemporaryChange<bool> changeSchedulingEnabled(m_layoutSchedulingEnabled, false);
+        AutoReset<bool> changeSchedulingEnabled(&m_layoutSchedulingEnabled, false);
         m_nestedLayoutCount++;
 
         updateCounters();
 
         // If the layout view was marked as needing layout after we added items in the subtree roots we need
         // to clear the roots and do the layout from the layoutView.
         if (layoutViewItem().needsLayout())
             clearLayoutSubtreeRootsAndMarkContainingBlocks();
         layoutViewItem().clearHitTestCache();
 
@@ skipping 1535 matching lines @@
 
     // Only the following target states are supported.
     DCHECK(targetState == DocumentLifecycle::LayoutClean
         || targetState == DocumentLifecycle::CompositingClean
         || targetState == DocumentLifecycle::PrePaintClean
         || targetState == DocumentLifecycle::PaintClean);
 
     if (!m_frame->document()->isActive())
         return;
 
-    TemporaryChange<DocumentLifecycle::LifecycleState> targetStateScope(m_currentUpdateLifecyclePhasesTargetState, targetState);
+    AutoReset<DocumentLifecycle::LifecycleState> targetStateScope(&m_currentUpdateLifecyclePhasesTargetState, targetState);
 
     if (shouldThrottleRendering()) {
         updateViewportIntersectionsForSubtree(std::min(targetState, DocumentLifecycle::CompositingClean));
         return;
     }
 
     updateStyleAndLayoutIfNeededRecursive();
     DCHECK(lifecycle().state() >= DocumentLifecycle::LayoutClean);
 
     if (targetState == DocumentLifecycle::LayoutClean) {
@@ skipping 1745 matching lines @@
 }
 
 bool FrameView::canThrottleRendering() const
 {
     if (!RuntimeEnabledFeatures::renderingPipelineThrottlingEnabled())
         return false;
     return m_subtreeThrottled || (m_hiddenForThrottling && m_crossOriginForThrottling);
 }
 
 } // namespace blink