Ignore DevTools messages from the old inspected RVH after navigation

content/browser/devtools/devtools_frontend_host_impl.h

Index: content/browser/devtools/devtools_frontend_host_impl.h
diff --git a/content/browser/devtools/devtools_frontend_host_impl.h b/content/browser/devtools/devtools_frontend_host_impl.h
index 98b907497a1fb34920755539568cc02f0ec86da5..81f01f04bc45151bbf13fd07e7951f46a7b3da85 100644
--- a/content/browser/devtools/devtools_frontend_host_impl.h
+++ b/content/browser/devtools/devtools_frontend_host_impl.h
@@ -13,13 +13,14 @@ namespace content {
 class DevToolsFrontendHostImpl : public DevToolsFrontendHost,
                                  public WebContentsObserver {
  public:
-  DevToolsFrontendHostImpl(RenderViewHost* frontend_rvh,
+  DevToolsFrontendHostImpl(WebContents* frontend_web_contents,
                            DevToolsFrontendHost::Delegate* delegate);
   ~DevToolsFrontendHostImpl() override;
 
  private:
   // WebContentsObserver overrides.
-  bool OnMessageReceived(const IPC::Message& message) override;
+  bool OnMessageReceived(const IPC::Message& message,
+                         RenderFrameHost* render_frame_host) override;
 
   void OnDispatchOnInspectorBackend(const std::string& message);
   void OnDispatchOnEmbedder(const std::string& message);