Imported QtWebKit TP3 (git b57bc6801f1876c3220d5a4bfea33d620d477443)

Change-Id: I3b1d8a2808782c9f34d50240000e20cb38d3680f
Reviewed-by: Konstantin Tokarev <annulen@yandex.ru>

1 files changed, 12 insertions, 9 deletions

diff --git a/Source/WTF/wtf/StringPrintStream.h b/Source/WTF/wtf/StringPrintStream.h
index c6ed3ddc6..18eecb208 100644
--- a/Source/WTF/wtf/StringPrintStream.h
+++ b/Source/WTF/wtf/StringPrintStream.h
@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2012 Apple Inc. All rights reserved.
+ * Copyright (C) 2012, 2016 Apple Inc. All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions
@@ -35,9 +35,11 @@ namespace WTF {
 class StringPrintStream : public PrintStream {
 public:
     WTF_EXPORT_PRIVATE StringPrintStream();
-    WTF_EXPORT_PRIVATE ~StringPrintStream();
+    WTF_EXPORT_PRIVATE virtual ~StringPrintStream();
     
-    virtual void vprintf(const char* format, va_list) WTF_ATTRIBUTE_PRINTF(2, 0);
+    WTF_EXPORT_PRIVATE virtual void vprintf(const char* format, va_list) override WTF_ATTRIBUTE_PRINTF(2, 0);
+
+    size_t length() const { return m_next; }
     
     WTF_EXPORT_PRIVATE CString toCString();
     WTF_EXPORT_PRIVATE String toString();
@@ -53,19 +55,20 @@ private:
 };
 
 // Stringify any type T that has a WTF::printInternal(PrintStream&, const T&)
-template<typename T>
-CString toCString(const T& value)
+
+template<typename... Types>
+CString toCString(const Types&... values)
 {
     StringPrintStream stream;
-    stream.print(value);
+    stream.print(values...);
     return stream.toCString();
 }
 
-template<typename T>
-String toString(const T& value)
+template<typename... Types>
+String toString(const Types&... values)
 {
     StringPrintStream stream;
-    stream.print(value);
+    stream.print(values...);
     return stream.toString();
 }