Migrate websockets from url+lineNumber to SourceLocation.

third_party/WebKit/Source/modules/websockets/WebSocketChannel.cpp

 /*
  * Copyright (C) 2009, 2012 Google Inc.  All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions are
  * met:
  *
  *     * Redistributions of source code must retain the above copyright
  * notice, this list of conditions and the following disclaimer.
  *     * Redistributions in binary form must reproduce the above
@@ skipping 12 matching lines @@
  * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
  * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
  * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  */
 
 #include "modules/websockets/WebSocketChannel.h"
 
-#include "bindings/core/v8/ScriptCallStack.h"
+#include "bindings/core/v8/SourceLocation.h"
 #include "core/dom/Document.h"
 #include "core/dom/ExecutionContext.h"
 #include "core/workers/WorkerGlobalScope.h"
 #include "core/workers/WorkerThread.h"
 #include "modules/websockets/DocumentWebSocketChannel.h"
 #include "modules/websockets/WebSocketChannelClient.h"
 #include "modules/websockets/WorkerWebSocketChannel.h"
 
 namespace blink {
 
 WebSocketChannel* WebSocketChannel::create(ExecutionContext* context, WebSocketChannelClient* client)
 {
     ASSERT(context);
     ASSERT(client);
 
-    String sourceURL;
-    unsigned lineNumber = 0;
-    RefPtr<ScriptCallStack> callStack = ScriptCallStack::capture(1);
-    if (callStack && !callStack->isEmpty()) {
-        sourceURL = callStack->topSourceURL();
-        lineNumber = callStack->topLineNumber();
-    }
+    OwnPtr<SourceLocation> location = SourceLocation::capture(context);
 
     if (context->isWorkerGlobalScope()) {
         WorkerGlobalScope* workerGlobalScope = toWorkerGlobalScope(context);
-        return WorkerWebSocketChannel::create(*workerGlobalScope, client, sourceURL, lineNumber);
+        return WorkerWebSocketChannel::create(*workerGlobalScope, client, std::move(location));
     }
 
     Document* document = toDocument(context);
-    return DocumentWebSocketChannel::create(document, client, sourceURL, lineNumber);
+    return DocumentWebSocketChannel::create(document, client, std::move(location));
 }
 
 } // namespace blink