Reader Mode triggers after tab crash

components/dom_distiller/content/browser/distillability_driver.h

Index: components/dom_distiller/content/browser/distillability_driver.h
diff --git a/components/dom_distiller/content/browser/distillability_driver.h b/components/dom_distiller/content/browser/distillability_driver.h
index 87a532daa244f76129be5f62dbc76bdcdccded1e..581a408f9b4d888692d3473b9a4a6fa815851bf5 100644
--- a/components/dom_distiller/content/browser/distillability_driver.h
+++ b/components/dom_distiller/content/browser/distillability_driver.h
@@ -8,6 +8,7 @@
 #include "base/macros.h"
 #include "base/memory/weak_ptr.h"
 #include "components/dom_distiller/content/common/distillability_service.mojom.h"
+#include "content/public/browser/navigation_details.h"
 #include "content/public/browser/web_contents_observer.h"
 #include "content/public/browser/web_contents_user_data.h"
 #include "mojo/public/cpp/bindings/strong_binding.h"
@@ -26,19 +27,19 @@ class DistillabilityDriver
   void SetDelegate(const base::Callback<void(bool, bool)>& delegate);
 
   // content::WebContentsObserver implementation.
-  void RenderProcessGone(base::TerminationStatus status) override;
+  void DidNavigateMainFrame(
+      const content::LoadCommittedDetails& details,
+      const content::FrameNavigateParams& params) override;
+
 
  private:
   explicit DistillabilityDriver(content::WebContents* web_contents);
   friend class content::WebContentsUserData<DistillabilityDriver>;
   friend class DistillabilityServiceImpl;
 
+  void SetupMojoService();
   void OnDistillability(bool distillable, bool is_last);
 
-  // Removes the observer, clears the WebContents member, and removed mojo
-  // service from registry.
-  void CleanUp();
-
   base::Callback<void(bool, bool)> m_delegate_;
 
   base::WeakPtrFactory<DistillabilityDriver> weak_factory_;