[Offline pages] Removing active_request_ from request coordinator

components/offline_pages/core/background/offliner_stub.h

Index: components/offline_pages/core/background/offliner_stub.h
diff --git a/components/offline_pages/core/background/offliner_stub.h b/components/offline_pages/core/background/offliner_stub.h
index 2d7f72a27dfbfd569907c0b6fafc76e499209dfc..d6ddc2486bd70b8db6d7e1883aca550713305580 100644
--- a/components/offline_pages/core/background/offliner_stub.h
+++ b/components/offline_pages/core/background/offliner_stub.h
@@ -5,6 +5,9 @@
 #ifndef COMPONENTS_OFFLINE_PAGES_CORE_BACKGROUND_OFFLINER_STUB_H_
 #define COMPONENTS_OFFLINE_PAGES_CORE_BACKGROUND_OFFLINER_STUB_H_
 
+#include <memory>
+
+#include "base/callback_forward.h"
 #include "components/offline_pages/core/background/offliner.h"
 
 namespace offline_pages {
@@ -20,7 +23,9 @@ class OfflinerStub : public Offliner {
                    const CompletionCallback& completion_callback,
                    const ProgressCallback& progress_callback) override;
 
-  void Cancel(const CancelCallback& callback) override;
+  bool Cancel(const CancelCallback& callback) override;
+
+  bool HandleTimeout(int64_t request_id) override;
 
   void disable_loading() { disable_loading_ = true; }
 
@@ -30,13 +35,11 @@ class OfflinerStub : public Offliner {
 
   void reset_cancel_called() { cancel_called_ = false; }
 
-  bool HandleTimeout(const SavePageRequest& request) override;
-
   void enable_snapshot_on_last_retry() { snapshot_on_last_retry_ = true; }
 
  private:
-  CompletionCallback completion_callback_;
-  ProgressCallback progress_callback_;
+  base::Closure completion_callback_;
+  std::unique_ptr<SavePageRequest> pending_request_;
   bool disable_loading_;
   bool enable_callback_;
   bool cancel_called_;