[inspector] added inspector test runner [part 3]

test/inspector/inspector-impl.h

Index: test/inspector/inspector-impl.h
diff --git a/test/inspector/inspector-impl.h b/test/inspector/inspector-impl.h
index 781e59655fdb9ccbf6be47c7a022966ce720e9d9..f94bef159998b73d320aa8904223fddd0c735b16 100644
--- a/test/inspector/inspector-impl.h
+++ b/test/inspector/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(