1 files changed, 3 insertions, 7 deletions
diff --git a/Source/WebCore/plugins/PluginView.cpp b/Source/WebCore/plugins/PluginView.cpp
index 0d6857f25..9672e91f6 100644
--- a/Source/WebCore/plugins/PluginView.cpp
+++ b/Source/WebCore/plugins/PluginView.cpp
@@ -64,6 +64,7 @@
 #include "Settings.h"
 #include "npruntime_impl.h"
 #include <wtf/ASCIICType.h>
+#include <wtf/text/WTFString.h>
 
 #if OS(WINDOWS) && ENABLE(NETSCAPE_PLUGIN_API)
 #include "PluginMessageThrottlerWin.h"
@@ -81,7 +82,6 @@ using JSC::ExecState;
 using JSC::JSLock;
 using JSC::JSObject;
 using JSC::JSValue;
-using JSC::UString;
 #endif
 
 #if ENABLE(NETSCAPE_PLUGIN_API)
@@ -1133,12 +1133,8 @@ static inline HTTPHeaderMap parseRFC822HeaderFields(const Vector<char>& buffer,
                     value = String(colon, eol - colon);
 
                 String oldValue = headerFields.get(lastKey);
-                if (!oldValue.isNull()) {
-                    String tmp = oldValue;
-                    tmp += ", ";
-                    tmp += value;
-                    value = tmp;
-                }
+                if (!oldValue.isNull())
+                    value = oldValue + ", " + value;
 
                 headerFields.set(lastKey, value);
             }