Migrate WTF::HashSet::add() to ::insert() [part 1 of N]

third_party/WebKit/Source/core/html/HTMLObjectElement.cpp

Index: third_party/WebKit/Source/core/html/HTMLObjectElement.cpp
diff --git a/third_party/WebKit/Source/core/html/HTMLObjectElement.cpp b/third_party/WebKit/Source/core/html/HTMLObjectElement.cpp
index ee1eeb0ff72ef41c5cce1b2b7ffc2390c8120e3d..780bb4bb044790368fb6cad303f8804448ae6b31 100644
--- a/third_party/WebKit/Source/core/html/HTMLObjectElement.cpp
+++ b/third_party/WebKit/Source/core/html/HTMLObjectElement.cpp
@@ -162,7 +162,7 @@ void HTMLObjectElement::parametersForPlugin(Vector<String>& paramNames,
     if (name.isEmpty())
       continue;
 
-    uniqueParamNames.add(name.impl());
+    uniqueParamNames.insert(name.impl());
     paramNames.push_back(p->name());
     paramValues.push_back(p->value());
 
@@ -191,7 +191,7 @@ void HTMLObjectElement::parametersForPlugin(Vector<String>& paramNames,
   String codebase;
   if (MIMETypeRegistry::isJavaAppletMIMEType(serviceType)) {
     codebase = "codebase";
-    uniqueParamNames.add(
+    uniqueParamNames.insert(
         codebase.impl());  // pretend we found it in a PARAM already
   }