Migrate WTF::HashMap::get() to ::at()

third_party/WebKit/Source/core/layout/LayoutBlock.cpp

 /*
  * Copyright (C) 1999 Lars Knoll (knoll@kde.org)
  *           (C) 1999 Antti Koivisto (koivisto@kde.org)
  *           (C) 2007 David Smith (catfish.man@gmail.com)
  * Copyright (C) 2003, 2004, 2005, 2006, 2007, 2008, 2009, 2010, 2011 Apple Inc.
  *               All rights reserved.
  * Copyright (C) Research In Motion Limited 2010. All rights reserved.
  *
  * This library is free software; you can redistribute it and/or
  * modify it under the terms of the GNU Library General Public
@@ skipping 93 matching lines @@
   // LayoutBlockFlow calls setChildrenInline(true).
   // By default, subclasses do not have inline children.
 }
 
 void LayoutBlock::removeFromGlobalMaps() {
   if (hasPositionedObjects()) {
     std::unique_ptr<TrackedLayoutBoxListHashSet> descendants =
         gPositionedDescendantsMap->take(this);
     ASSERT(!descendants->isEmpty());
     for (LayoutBox* descendant : *descendants) {
-      ASSERT(gPositionedContainerMap->get(descendant) == this);
+      ASSERT(gPositionedContainerMap->at(descendant) == this);
       gPositionedContainerMap->erase(descendant);
     }
   }
   if (hasPercentHeightDescendants()) {
     std::unique_ptr<TrackedLayoutBoxListHashSet> descendants =
         gPercentHeightDescendantsMap->take(this);
     ASSERT(!descendants->isEmpty());
     for (LayoutBox* descendant : *descendants) {
       ASSERT(descendant->percentHeightContainer() == this);
       descendant->setPercentHeightContainer(nullptr);
@@ skipping 840 matching lines @@
 }
 
 void LayoutBlock::setSelectionState(SelectionState state) {
   LayoutBox::setSelectionState(state);
 
   if (inlineBoxWrapper() && canUpdateSelectionOnRootLineBoxes())
     inlineBoxWrapper()->root().setHasSelectedChildren(state != SelectionNone);
 }
 
 TrackedLayoutBoxListHashSet* LayoutBlock::positionedObjectsInternal() const {
-  return gPositionedDescendantsMap ? gPositionedDescendantsMap->get(this)
+  return gPositionedDescendantsMap ? gPositionedDescendantsMap->at(this)
                                    : nullptr;
 }
 
 void LayoutBlock::insertPositionedObject(LayoutBox* o) {
   ASSERT(!isAnonymousBlock());
   ASSERT(o->containingBlock() == this);
 
   if (gPositionedContainerMap) {
     auto containerMapIt = gPositionedContainerMap->find(o);
     if (containerMapIt != gPositionedContainerMap->end()) {
       if (containerMapIt->value == this) {
         ASSERT(hasPositionedObjects() && positionedObjects()->contains(o));
         return;
       }
       removePositionedObject(o);
     }
   } else {
     gPositionedContainerMap = new TrackedContainerMap;
   }
   gPositionedContainerMap->set(o, this);
 
   if (!gPositionedDescendantsMap)
     gPositionedDescendantsMap = new TrackedDescendantsMap;
   TrackedLayoutBoxListHashSet* descendantSet =
-      gPositionedDescendantsMap->get(this);
+      gPositionedDescendantsMap->at(this);
   if (!descendantSet) {
     descendantSet = new TrackedLayoutBoxListHashSet;
     gPositionedDescendantsMap->set(this, WTF::wrapUnique(descendantSet));
   }
   descendantSet->add(o);
 
   m_hasPositionedObjects = true;
 }
 
 void LayoutBlock::removePositionedObject(LayoutBox* o) {
   if (!gPositionedContainerMap)
     return;
 
   LayoutBlock* container = gPositionedContainerMap->take(o);
   if (!container)
     return;
 
   TrackedLayoutBoxListHashSet* positionedDescendants =
-      gPositionedDescendantsMap->get(container);
+      gPositionedDescendantsMap->at(container);
   ASSERT(positionedDescendants && positionedDescendants->contains(o));
   positionedDescendants->remove(o);
   if (positionedDescendants->isEmpty()) {
     gPositionedDescendantsMap->erase(container);
     container->m_hasPositionedObjects = false;
   }
 }
 
 PaintInvalidationReason LayoutBlock::invalidatePaintIfNeeded(
     const PaintInvalidationState& paintInvalidationState) {
@@ skipping 46 matching lines @@
       while (p && !p->isLayoutBlock())
         p = p->parent();
       if (p)
         p->setChildNeedsLayout();
 
       deadObjects.push_back(positionedObject);
     }
   }
 
   for (auto object : deadObjects) {
-    ASSERT(gPositionedContainerMap->get(object) == this);
+    ASSERT(gPositionedContainerMap->at(object) == this);
     positionedDescendants->remove(object);
     gPositionedContainerMap->erase(object);
   }
   if (positionedDescendants->isEmpty()) {
     gPositionedDescendantsMap->erase(this);
     m_hasPositionedObjects = false;
   }
 }
 
 void LayoutBlock::addPercentHeightDescendant(LayoutBox* descendant) {
   if (descendant->percentHeightContainer()) {
     if (descendant->percentHeightContainer() == this) {
       ASSERT(hasPercentHeightDescendant(descendant));
       return;
     }
     descendant->removeFromPercentHeightContainer();
   }
   descendant->setPercentHeightContainer(this);
 
   if (!gPercentHeightDescendantsMap)
     gPercentHeightDescendantsMap = new TrackedDescendantsMap;
   TrackedLayoutBoxListHashSet* descendantSet =
-      gPercentHeightDescendantsMap->get(this);
+      gPercentHeightDescendantsMap->at(this);
   if (!descendantSet) {
     descendantSet = new TrackedLayoutBoxListHashSet;
     gPercentHeightDescendantsMap->set(this, WTF::wrapUnique(descendantSet));
   }
   descendantSet->add(descendant);
 
   m_hasPercentHeightDescendants = true;
 }
 
 void LayoutBlock::removePercentHeightDescendant(LayoutBox* descendant) {
   if (TrackedLayoutBoxListHashSet* descendants = percentHeightDescendants()) {
     descendants->remove(descendant);
     descendant->setPercentHeightContainer(nullptr);
     if (descendants->isEmpty()) {
       gPercentHeightDescendantsMap->erase(this);
       m_hasPercentHeightDescendants = false;
     }
   }
 }
 
 TrackedLayoutBoxListHashSet* LayoutBlock::percentHeightDescendantsInternal()
     const {
-  return gPercentHeightDescendantsMap ? gPercentHeightDescendantsMap->get(this)
+  return gPercentHeightDescendantsMap ? gPercentHeightDescendantsMap->at(this)
                                       : nullptr;
 }
 
 void LayoutBlock::dirtyForLayoutFromPercentageHeightDescendants(
     SubtreeLayoutScope& layoutScope) {
   TrackedLayoutBoxListHashSet* descendants = percentHeightDescendants();
   if (!descendants)
     return;
 
   for (auto* box : *descendants) {
@@ skipping 1072 matching lines @@
   }
 
   return availableHeight;
 }
 
 bool LayoutBlock::hasDefiniteLogicalHeight() const {
   return availableLogicalHeightForPercentageComputation() != LayoutUnit(-1);
 }
 
 }  // namespace blink