Migrate WTF::LinkedHashSet/ListHashSet::add() to ::insert()

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

Index: third_party/WebKit/Source/core/layout/HitTestResult.cpp
diff --git a/third_party/WebKit/Source/core/layout/HitTestResult.cpp b/third_party/WebKit/Source/core/layout/HitTestResult.cpp
index b1b70ee934d3e4b36b10de0e9198e273e79c1510..916722f438f4b337e2f5bcda2c989a6d7ec015f5 100644
--- a/third_party/WebKit/Source/core/layout/HitTestResult.cpp
+++ b/third_party/WebKit/Source/core/layout/HitTestResult.cpp
@@ -397,7 +397,7 @@ ListBasedHitTestBehavior HitTestResult::addNodeToListBasedTestResult(
   if (!node)
     return ContinueHitTesting;
 
-  mutableListBasedTestResult().add(node);
+  mutableListBasedTestResult().insert(node);
 
   if (hitTestRequest().penetratingList())
     return ContinueHitTesting;
@@ -417,7 +417,7 @@ ListBasedHitTestBehavior HitTestResult::addNodeToListBasedTestResult(
   if (!node)
     return ContinueHitTesting;
 
-  mutableListBasedTestResult().add(node);
+  mutableListBasedTestResult().insert(node);
 
   if (hitTestRequest().penetratingList())
     return ContinueHitTesting;
@@ -448,7 +448,7 @@ void HitTestResult::append(const HitTestResult& other) {
     for (NodeSet::const_iterator it = other.m_listBasedTestResult->begin(),
                                  last = other.m_listBasedTestResult->end();
          it != last; ++it)
-      set.add(it->get());
+      set.insert(it->get());
   }
 }