Revert of [inspector] Initial import of v8_inspector.

src/inspector/V8Regex.h

-// Copyright 2016 the V8 project 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 V8_INSPECTOR_V8REGEX_H_
-#define V8_INSPECTOR_V8REGEX_H_
-
-#include "src/inspector/Allocator.h"
-#include "src/inspector/String16.h"
-
-#include <v8.h>
-
-namespace v8_inspector {
-
-class V8InspectorImpl;
-
-enum MultilineMode {
-    MultilineDisabled,
-    MultilineEnabled
-};
-
-class V8Regex {
-    V8_INSPECTOR_DISALLOW_COPY(V8Regex);
-public:
-    V8Regex(V8InspectorImpl*, const String16&, bool caseSensitive, bool multiline = false);
-    int match(const String16&, int startFrom = 0, int* matchLength = 0) const;
-    bool isValid() const { return !m_regex.IsEmpty(); }
-    const String16& errorMessage() const { return m_errorMessage; }
-
-private:
-    V8InspectorImpl* m_inspector;
-    v8::Global<v8::RegExp> m_regex;
-    String16 m_errorMessage;
-};
-
-} // namespace v8_inspector
-
-#endif // V8_INSPECTOR_V8REGEX_H_