Show template before distiller finishes

components/dom_distiller/core/dom_distiller_request_view_base.h

Index: components/dom_distiller/core/dom_distiller_request_view_base.h
diff --git a/components/dom_distiller/core/dom_distiller_request_view_base.h b/components/dom_distiller/core/dom_distiller_request_view_base.h
index 16b8ca7d93debd0eb6d6a741cea6943cc253495c..ef0fb9f0f8628f38a95e04f94bfa08f0aa1f07e8 100644
--- a/components/dom_distiller/core/dom_distiller_request_view_base.h
+++ b/components/dom_distiller/core/dom_distiller_request_view_base.h
@@ -21,24 +21,13 @@
 
 namespace dom_distiller {
 
-// This interface is used to abstract the data callback from the distiller. The
-// callbacks for different platforms have different numbers of parameters
-// (namely iOS and Android) which makes this necessary.
-class DistillerDataCallback {
- public:
-  virtual ~DistillerDataCallback(){};
-  virtual void RunCallback(std::string& data) = 0;
-};
-
 // Handles receiving data asynchronously for a specific entry, and passing
 // it along to the data callback for the data source. Lifetime matches that of
 // the current main frame's page in the Viewer instance.
-class DomDistillerRequestViewBase
-    : public ViewRequestDelegate,
-      public DistilledPagePrefs::Observer {
+class DomDistillerRequestViewBase : public ViewRequestDelegate,
+                                    public DistilledPagePrefs::Observer {
  public:
   explicit DomDistillerRequestViewBase(
-      scoped_ptr<DistillerDataCallback> callback,
       DistilledPagePrefs* distilled_page_prefs);
   ~DomDistillerRequestViewBase() override;
 
@@ -68,9 +57,6 @@ class DomDistillerRequestViewBase
   // needs to be kept around to ensure the distillation request finishes.
   scoped_ptr<ViewerHandle> viewer_handle_;
 
-  // Holds the callback to where the data retrieved is sent back.
-  scoped_ptr<DistillerDataCallback> callback_;
-
   // Number of pages of the distilled article content that have been rendered by
   // the viewer.
   int page_count_;