[inspector] added inspector test runner [part 3]

test/inspector-protocol/inspector-impl.h

Index: test/inspector-protocol/inspector-impl.h
diff --git a/test/inspector-protocol/inspector-impl.h b/test/inspector-protocol/inspector-impl.h
index d24e244be9ad4c237b51cc0ff1b76ac99db2ec13..4f7f382b72d3575a7384513a8086c122b299b94f 100644
--- a/test/inspector-protocol/inspector-impl.h
+++ b/test/inspector-protocol/inspector-impl.h
@@ -25,6 +25,9 @@ class InspectorClientImpl : public v8_inspector::V8InspectorClient {
                       v8::base::Semaphore* ready_semaphore);
   virtual ~InspectorClientImpl();
 
+  static v8_inspector::V8Inspector* InspectorFromContext(
+      v8::Local<v8::Context> context);
+
  private:
   // V8InspectorClient implementation.
   v8::Local<v8::Context> ensureDefaultContextInGroup(int) override;