[Offline pages] Extracting callbacks from the Offline Page Model

chrome/browser/android/offline_pages/recent_tab_helper.cc

Index: chrome/browser/android/offline_pages/recent_tab_helper.cc
diff --git a/chrome/browser/android/offline_pages/recent_tab_helper.cc b/chrome/browser/android/offline_pages/recent_tab_helper.cc
index 6f5fc9b3aa3fa722ad8772020c4f17e94b469871..10fadf0e7383dcacda38c556c4582f7d46699429 100644
--- a/chrome/browser/android/offline_pages/recent_tab_helper.cc
+++ b/chrome/browser/android/offline_pages/recent_tab_helper.cc
@@ -148,12 +148,11 @@ void RecentTabHelper::ContinueSnapshotWithIdsToPurge(
                                  weak_ptr_factory_.GetWeakPtr()));
 }
 
-void RecentTabHelper::ContinueSnapshotAfterPurge(
-    OfflinePageModel::DeletePageResult result) {
+void RecentTabHelper::ContinueSnapshotAfterPurge(DeletePageResult result) {
   // NOT_FOUND is because it's what we get when passing empty vector of ids.
   // TODO(dimich): remove NOT_FOUND when bug 608057 is fixed.
-  if (result != OfflinePageModel::DeletePageResult::SUCCESS &&
-      result != OfflinePageModel::DeletePageResult::NOT_FOUND) {
+  if (result != DeletePageResult::SUCCESS &&
+      result != DeletePageResult::NOT_FOUND) {
     // If previous pages can't be deleted, don't add new ones.
     ReportSnapshotCompleted();
     return;
@@ -178,7 +177,7 @@ void RecentTabHelper::ContinueSnapshotAfterPurge(
                  weak_ptr_factory_.GetWeakPtr()));
 }
 
-void RecentTabHelper::SavePageCallback(OfflinePageModel::SavePageResult result,
+void RecentTabHelper::SavePageCallback(SavePageResult result,
                                        int64_t offline_id) {
   // TODO(dimich): add UMA, including result. Bug 608112.
   ReportSnapshotCompleted();