Pass more information by argument to the dom_distiller script.

components/dom_distiller/core/fake_distiller_page.h

Index: components/dom_distiller/core/fake_distiller_page.h
diff --git a/components/dom_distiller/core/fake_distiller_page.h b/components/dom_distiller/core/fake_distiller_page.h
index b1df4e87c6fa2760e7781e7565afe6d77fdabf98..a3511fad44899a6a153a73a6ca8c485d45d2e70f 100644
--- a/components/dom_distiller/core/fake_distiller_page.h
+++ b/components/dom_distiller/core/fake_distiller_page.h
@@ -30,6 +30,8 @@ class MockDistillerPage : public DistillerPage {
  public:
   MockDistillerPage();
   virtual ~MockDistillerPage();
+  bool StringifyOutput() override { return false; };
+  bool CreateNewContext() override { return false; };
   MOCK_METHOD2(DistillPageImpl,
                void(const GURL& gurl, const std::string& script));
 };