Add support for multipage distillation.

components/dom_distiller/core/fake_distiller.h

Index: components/dom_distiller/core/fake_distiller.h
diff --git a/components/dom_distiller/core/fake_distiller.h b/components/dom_distiller/core/fake_distiller.h
index dbb00d69cdbae0af7d7dc0ccc5aab4d5f326c956..b4eecf8d40497999fd2693c4ae88fb9a04ce266a 100644
--- a/components/dom_distiller/core/fake_distiller.h
+++ b/components/dom_distiller/core/fake_distiller.h
@@ -36,18 +36,18 @@ class FakeDistiller : public Distiller {
     url_ = url;
     callback_ = callback;
     if (execute_callback_) {
-      RunDistillerCallback(make_scoped_ptr(new DistilledPageProto));
+      RunDistillerCallback(make_scoped_ptr(new DistilledArticleProto));
     }
   }
 
-  void RunDistillerCallback(scoped_ptr<DistilledPageProto> proto);
+  void RunDistillerCallback(scoped_ptr<DistilledArticleProto> proto);
 
   GURL GetUrl() { return url_; }
 
   DistillerCallback GetCallback() { return callback_; }
 
  private:
-  void RunDistillerCallbackInternal(scoped_ptr<DistilledPageProto> proto);
+  void RunDistillerCallbackInternal(scoped_ptr<DistilledArticleProto> proto);
 
   bool execute_callback_;
   GURL url_;