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

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

Index: third_party/WebKit/Source/core/layout/LayoutBlock.cpp
diff --git a/third_party/WebKit/Source/core/layout/LayoutBlock.cpp b/third_party/WebKit/Source/core/layout/LayoutBlock.cpp
index f5f4e687412abb75f1fedd985573016477adad6f..895ab93b181277516cfa76c20f3f3e1e0afdb7c2 100644
--- a/third_party/WebKit/Source/core/layout/LayoutBlock.cpp
+++ b/third_party/WebKit/Source/core/layout/LayoutBlock.cpp
@@ -111,7 +111,7 @@ void LayoutBlock::removeFromGlobalMaps() {
         gPositionedDescendantsMap->take(this);
     ASSERT(!descendants->isEmpty());
     for (LayoutBox* descendant : *descendants) {
-      ASSERT(gPositionedContainerMap->get(descendant) == this);
+      ASSERT(gPositionedContainerMap->at(descendant) == this);
       gPositionedContainerMap->erase(descendant);
     }
   }
@@ -972,7 +972,7 @@ void LayoutBlock::setSelectionState(SelectionState state) {
 }
 
 TrackedLayoutBoxListHashSet* LayoutBlock::positionedObjectsInternal() const {
-  return gPositionedDescendantsMap ? gPositionedDescendantsMap->get(this)
+  return gPositionedDescendantsMap ? gPositionedDescendantsMap->at(this)
                                    : nullptr;
 }
 
@@ -997,7 +997,7 @@ void LayoutBlock::insertPositionedObject(LayoutBox* o) {
   if (!gPositionedDescendantsMap)
     gPositionedDescendantsMap = new TrackedDescendantsMap;
   TrackedLayoutBoxListHashSet* descendantSet =
-      gPositionedDescendantsMap->get(this);
+      gPositionedDescendantsMap->at(this);
   if (!descendantSet) {
     descendantSet = new TrackedLayoutBoxListHashSet;
     gPositionedDescendantsMap->set(this, WTF::wrapUnique(descendantSet));
@@ -1016,7 +1016,7 @@ void LayoutBlock::removePositionedObject(LayoutBox* o) {
     return;
 
   TrackedLayoutBoxListHashSet* positionedDescendants =
-      gPositionedDescendantsMap->get(container);
+      gPositionedDescendantsMap->at(container);
   ASSERT(positionedDescendants && positionedDescendants->contains(o));
   positionedDescendants->remove(o);
   if (positionedDescendants->isEmpty()) {
@@ -1083,7 +1083,7 @@ void LayoutBlock::removePositionedObjects(
   }
 
   for (auto object : deadObjects) {
-    ASSERT(gPositionedContainerMap->get(object) == this);
+    ASSERT(gPositionedContainerMap->at(object) == this);
     positionedDescendants->remove(object);
     gPositionedContainerMap->erase(object);
   }
@@ -1106,7 +1106,7 @@ void LayoutBlock::addPercentHeightDescendant(LayoutBox* descendant) {
   if (!gPercentHeightDescendantsMap)
     gPercentHeightDescendantsMap = new TrackedDescendantsMap;
   TrackedLayoutBoxListHashSet* descendantSet =
-      gPercentHeightDescendantsMap->get(this);
+      gPercentHeightDescendantsMap->at(this);
   if (!descendantSet) {
     descendantSet = new TrackedLayoutBoxListHashSet;
     gPercentHeightDescendantsMap->set(this, WTF::wrapUnique(descendantSet));
@@ -1129,7 +1129,7 @@ void LayoutBlock::removePercentHeightDescendant(LayoutBox* descendant) {
 
 TrackedLayoutBoxListHashSet* LayoutBlock::percentHeightDescendantsInternal()
     const {
-  return gPercentHeightDescendantsMap ? gPercentHeightDescendantsMap->get(this)
+  return gPercentHeightDescendantsMap ? gPercentHeightDescendantsMap->at(this)
                                       : nullptr;
 }