Revert of Make WebTraceLocation be an alias of tracked_objects::Location

third_party/WebKit/Source/platform/exported/WebTraceLocation.cpp

+// Copyright 2014 The Chromium Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+#include "public/platform/WebTraceLocation.h"
+
+namespace blink {
+
+WebTraceLocation::WebTraceLocation()
+    : m_functionName("unknown")
+    , m_fileName("unknown")
+{ }
+
+WebTraceLocation::WebTraceLocation(const char* functionName, const char* fileName)
+    : m_functionName(functionName)
+    , m_fileName(fileName)
+{ }
+
+const char* WebTraceLocation::functionName() const
+{
+    return m_functionName;
+}
+
+const char* WebTraceLocation::fileName() const
+{
+    return m_fileName;
+}
+
+} // namespace blink