Migrate WTF::HashSet::add() to ::insert() [part 2 of N]

third_party/WebKit/Source/wtf/VectorTest.cpp

Index: third_party/WebKit/Source/wtf/VectorTest.cpp
diff --git a/third_party/WebKit/Source/wtf/VectorTest.cpp b/third_party/WebKit/Source/wtf/VectorTest.cpp
index a7ad22a1108aca04f7ffdbabfc1f6acb27c3bb4e..2ae71e9e230c1b119bf8e55a3bd992f878c85b97 100644
--- a/third_party/WebKit/Source/wtf/VectorTest.cpp
+++ b/third_party/WebKit/Source/wtf/VectorTest.cpp
@@ -284,12 +284,12 @@ static HashSet<void*> constructedWrappedInts;
 class WrappedInt {
  public:
   WrappedInt(int i = 0) : m_originalThisPtr(this), m_i(i) {
-    constructedWrappedInts.add(this);
+    constructedWrappedInts.insert(this);
   }
 
   WrappedInt(const WrappedInt& other)
       : m_originalThisPtr(this), m_i(other.m_i) {
-    constructedWrappedInts.add(this);
+    constructedWrappedInts.insert(this);
   }
 
   WrappedInt& operator=(const WrappedInt& other) {