DevTools: NetworkPanel: Support unicode WS messages.

Source/core/inspector/InspectorResourceAgent.cpp

Index: Source/core/inspector/InspectorResourceAgent.cpp
diff --git a/Source/core/inspector/InspectorResourceAgent.cpp b/Source/core/inspector/InspectorResourceAgent.cpp
index e5e509b6fa37bb9460be31405b4d6e20d3f38c30..20d9035d1f76fcd661693a7ce97c8fedd761ab78 100644
--- a/Source/core/inspector/InspectorResourceAgent.cpp
+++ b/Source/core/inspector/InspectorResourceAgent.cpp
@@ -764,7 +764,7 @@ void InspectorResourceAgent::didReceiveWebSocketFrame(unsigned long identifier,
     RefPtr<TypeBuilder::Network::WebSocketFrame> frameObject = TypeBuilder::Network::WebSocketFrame::create()
         .setOpcode(opCode)
         .setMask(masked)
-        .setPayloadData(String(payload, payloadLength));
+        .setPayloadData(String::fromUTF8WithLatin1Fallback(payload, payloadLength));
     m_frontend->webSocketFrameReceived(IdentifiersFactory::requestId(identifier), currentTime(), frameObject);
 }
 
@@ -773,7 +773,7 @@ void InspectorResourceAgent::didSendWebSocketFrame(unsigned long identifier, int
     RefPtr<TypeBuilder::Network::WebSocketFrame> frameObject = TypeBuilder::Network::WebSocketFrame::create()
         .setOpcode(opCode)
         .setMask(masked)
-        .setPayloadData(String(payload, payloadLength));
+        .setPayloadData(String::fromUTF8WithLatin1Fallback(payload, payloadLength));
     m_frontend->webSocketFrameSent(IdentifiersFactory::requestId(identifier), currentTime(), frameObject);
 }