Introduce SourceLocation to be used for console messages.

third_party/WebKit/Source/bindings/core/v8/SourceLocation.h

+// Copyright 2016 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.
+
+#ifndef SourceLocation_h
+#define SourceLocation_h
+
+#include "core/CoreExport.h"
+#include "platform/v8_inspector/public/V8StackTrace.h"
+#include "wtf/Forward.h"
+#include "wtf/PassOwnPtr.h"
+#include "wtf/text/WTFString.h"
+
+namespace blink {
+
+class ExecutionContext;
+class TracedValue;
+class V8StackTrace;
+
+class CORE_EXPORT SourceLocation {
+public:
+    // Zero lineNumber and columnNumber mean unknown. Captures current stack trace.
+    static PassOwnPtr<SourceLocation> capture(const String& url, unsigned lineNumber, unsigned columnNumber);
+
+    // Shortcut when location is unknown. Tries to capture call stack or parsing location if available.
+    static PassOwnPtr<SourceLocation> capture(ExecutionContext* = nullptr);
+
+    static PassOwnPtr<SourceLocation> create(const String& url, unsigned lineNumber, unsigned columnNumber, PassOwnPtr<V8StackTrace>, int scriptId = 0);
+    ~SourceLocation();
+
+    String url() const { return m_url; }
+    unsigned lineNumber() const { return m_lineNumber; }
+    unsigned columnNumber() const { return m_columnNumber; }
+    PassOwnPtr<V8StackTrace> takeStackTrace() { return std::move(m_stackTrace); }
+    int scriptId() const { return m_scriptId; }
+
+private:
+    SourceLocation(const String& url, unsigned lineNumber, unsigned columnNumber, PassOwnPtr<V8StackTrace>, int scriptId);
+
+    String m_url;
+    unsigned m_lineNumber;
+    unsigned m_columnNumber;
+    OwnPtr<V8StackTrace> m_stackTrace;
+    int m_scriptId;
+};
+
+} // namespace blink
+
+#endif // SourceLocation_h