Remove all uses of the ASCIILiteral class.

Source/modules/websockets/WebSocketPerMessageDeflate.cpp

Index: Source/modules/websockets/WebSocketPerMessageDeflate.cpp
diff --git a/Source/modules/websockets/WebSocketPerMessageDeflate.cpp b/Source/modules/websockets/WebSocketPerMessageDeflate.cpp
index e6c65e5b8c5a8f453c27493d49377880da4dc80a..43f38ae46c8af8b3c75967b2c4163c855624e8b5 100644
--- a/Source/modules/websockets/WebSocketPerMessageDeflate.cpp
+++ b/Source/modules/websockets/WebSocketPerMessageDeflate.cpp
@@ -64,7 +64,7 @@ private:
 };
 
 CompressionMessageExtensionProcessor::CompressionMessageExtensionProcessor(WebSocketPerMessageDeflate& compress)
-    : WebSocketExtensionProcessor(ASCIILiteral("permessage-deflate"))
+    : WebSocketExtensionProcessor("permessage-deflate")
     , m_compress(compress)
     , m_responseProcessed(false)
 {
@@ -72,7 +72,7 @@ CompressionMessageExtensionProcessor::CompressionMessageExtensionProcessor(WebSo
 
 String CompressionMessageExtensionProcessor::handshakeString()
 {
-    return ASCIILiteral("permessage-deflate; c2s_max_window_bits");
+    return "permessage-deflate; c2s_max_window_bits";
 }
 
 bool CompressionMessageExtensionProcessor::processResponse(const HashMap<String, String>& parameters)