Changes to fit better with the needs of the download manager.

components/offline_pages/background/request_queue_store.h

Index: components/offline_pages/background/request_queue_store.h
diff --git a/components/offline_pages/background/request_queue_store.h b/components/offline_pages/background/request_queue_store.h
index d4a9d3527a3a16e716d87e4e3b0f7435e1a38540..2cc17e8c24d7aec76fc614223999e3cf2305e5b4 100644
--- a/components/offline_pages/background/request_queue_store.h
+++ b/components/offline_pages/background/request_queue_store.h
@@ -9,7 +9,7 @@
 #include <vector>
 
 #include "base/callback.h"
-#include "components/offline_pages/offline_page_item.h"
+#include "components/offline_pages/background/request_queue.h"
 
 namespace offline_pages {
 
@@ -29,8 +29,8 @@ class RequestQueueStore {
       const std::vector<SavePageRequest>& /* requests */)>
       GetRequestsCallback;
   typedef base::Callback<void(UpdateStatus)> UpdateCallback;
-  typedef base::Callback<void(bool /* success */,
-                              int /* number of deleted requests */)>
+  typedef base::Callback<void(
+      const RequestQueue::UpdateMultipleRequestResults&)>
       RemoveCallback;
   typedef base::Callback<void(bool /* success */)> ResetCallback;
 
@@ -52,15 +52,6 @@ class RequestQueueStore {
   virtual void RemoveRequests(const std::vector<int64_t>& request_ids,
                               const RemoveCallback& callback) = 0;
 
-  // Asynchronously removes requests from the store using their ClientIds.
-  // Result of the update, and a number of removed pages is passed in the
-  // callback.  Result of remove should be false, when one of the provided items
-  // couldn't be deleted, e.g. because it was missing. In case client_ids is
-  // empty, though this will return true, but the count of deleted pages will be
-  // 0.
-  virtual void RemoveRequestsByClientId(const std::vector<ClientId>& client_ids,
-                                        const RemoveCallback& callback) = 0;
-
   // Resets the store.
   virtual void Reset(const ResetCallback& callback) = 0;
 };