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

third_party/WebKit/Source/core/layout/shapes/ShapeOutsideInfo.h

Index: third_party/WebKit/Source/core/layout/shapes/ShapeOutsideInfo.h
diff --git a/third_party/WebKit/Source/core/layout/shapes/ShapeOutsideInfo.h b/third_party/WebKit/Source/core/layout/shapes/ShapeOutsideInfo.h
index 59a96e84d6b777c69f118721973297e4be08f073..6008e28bef195d39f187a940afbf155e3df7ccd4 100644
--- a/third_party/WebKit/Source/core/layout/shapes/ShapeOutsideInfo.h
+++ b/third_party/WebKit/Source/core/layout/shapes/ShapeOutsideInfo.h
@@ -132,7 +132,7 @@ class ShapeOutsideInfo final {
 
   static ShapeOutsideInfo& ensureInfo(const LayoutBox& key) {
     InfoMap& infoMap = ShapeOutsideInfo::infoMap();
-    if (ShapeOutsideInfo* info = infoMap.get(&key))
+    if (ShapeOutsideInfo* info = infoMap.at(&key))
       return *info;
     InfoMap::AddResult result =
         infoMap.insert(&key, ShapeOutsideInfo::createInfo(key));
@@ -140,7 +140,7 @@ class ShapeOutsideInfo final {
   }
   static void removeInfo(const LayoutBox& key) { infoMap().erase(&key); }
   static ShapeOutsideInfo* info(const LayoutBox& key) {
-    return infoMap().get(&key);
+    return infoMap().at(&key);
   }
 
   void markShapeAsDirty() { m_shape.reset(); }