[inspector] Initial import of v8_inspector.

src/inspector/InjectedScriptNative.h

Index: src/inspector/InjectedScriptNative.h
diff --git a/src/inspector/InjectedScriptNative.h b/src/inspector/InjectedScriptNative.h
new file mode 100644
index 0000000000000000000000000000000000000000..bdbcded71af3eb453a2bf64d9babd31a6dabd26e
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+++ b/src/inspector/InjectedScriptNative.h
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+// Copyright 2015 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_INJECTEDSCRIPTNATIVE_H_
+#define V8_INSPECTOR_INJECTEDSCRIPTNATIVE_H_
+
+#include "src/inspector/protocol/Protocol.h"
+
+#include <v8.h>
+#include <vector>
+
+namespace v8_inspector {
+
+class InjectedScriptNative final {
+ public:
+  explicit InjectedScriptNative(v8::Isolate*);
+  ~InjectedScriptNative();
+
+  void setOnInjectedScriptHost(v8::Local<v8::Object>);
+  static InjectedScriptNative* fromInjectedScriptHost(v8::Local<v8::Object>);
+
+  int bind(v8::Local<v8::Value>, const String16& groupName);
+  void unbind(int id);
+  v8::Local<v8::Value> objectForId(int id);
+
+  void releaseObjectGroup(const String16& groupName);
+  String16 groupName(int objectId) const;
+
+ private:
+  void addObjectToGroup(int objectId, const String16& groupName);
+
+  int m_lastBoundObjectId;
+  v8::Isolate* m_isolate;
+  protocol::HashMap<int, std::unique_ptr<v8::Global<v8::Value>>>
+      m_idToWrappedObject;
+  typedef protocol::HashMap<int, String16> IdToObjectGroupName;
+  IdToObjectGroupName m_idToObjectGroupName;
+  typedef protocol::HashMap<String16, std::vector<int>> NameToObjectGroup;
+  NameToObjectGroup m_nameToObjectGroup;
+};
+
+}  // namespace v8_inspector
+
+#endif  // V8_INSPECTOR_INJECTEDSCRIPTNATIVE_H_