[inspector] console get all information from inspector when needed

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 0ed0d9dc52b22d3005c5cb5f03d1db37b15e5fad..4312de9bbbb01770771858d5dd3741ad80b803e8 100644
--- a/test/inspector/inspector-impl.h
+++ b/test/inspector/inspector-impl.h
@@ -39,6 +39,7 @@ class InspectorClientImpl : public v8_inspector::V8InspectorClient {
   v8_inspector::V8InspectorSession* session(int context_group_id = 0);
 
   void setCurrentTimeMSForTest(double time);
+  void setMemoryInfoForTest(v8::Local<v8::Value> memory_info);
 
  private:
   // V8InspectorClient implementation.
@@ -46,6 +47,8 @@ class InspectorClientImpl : public v8_inspector::V8InspectorClient {
   v8::Local<v8::Context> ensureDefaultContextInGroup(
       int context_group_id) override;
   double currentTimeMS() override;
+  v8::MaybeLocal<v8::Value> memoryInfo(v8::Isolate* isolate,
+                                       v8::Local<v8::Context>) override;
   void runMessageLoopOnPause(int context_group_id) override;
   void quitMessageLoopOnPause() override;
 
@@ -65,6 +68,7 @@ class InspectorClientImpl : public v8_inspector::V8InspectorClient {
   std::map<int, std::unique_ptr<v8_inspector::StringBuffer>> states_;
 
   v8::Isolate* isolate_;
+  v8::Global<v8::Value> memory_info_;
 
   TaskRunner* task_runner_;
   FrontendChannel* frontend_channel_;