[Offline Pages] Define separate watchdog timeout for concurrent bg loads

components/offline_pages/background/offliner_policy.h

 // Copyright 2016 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #ifndef COMPONENTS_OFFLINE_PAGES_BACKGROUND_OFFLINER_POLICY_H_
 #define COMPONENTS_OFFLINE_PAGES_BACKGROUND_OFFLINER_POLICY_H_
 
 namespace {
 const int kMaxStartedTries = 4;
 const int kMaxCompletedTries = 1;
 const int kBackgroundProcessingTimeBudgetSeconds = 170;
-const int kSinglePageTimeLimitSeconds = 120;
+const int kSinglePageTimeLimitWhenBackgroundScheduledSeconds = 120;
+const int kSinglePageTimeLimitForImmediateLoadSeconds = 300;
 const int kRequestExpirationTimeInSeconds = 60 * 60 * 24 * 7;
 }  // namespace
 
 namespace offline_pages {
 
 // Policy for the Background Offlining system.  Some policy will belong to the
 // RequestCoordinator, some to the RequestQueue, and some to the Offliner.
 class OfflinerPolicy {
  public:
   OfflinerPolicy()
@@ skipping 56 matching lines @@
     // plugged in, we should raise this somewhat higher.
     return 25;
   }
 
   // How many seconds to keep trying new pages for, before we give up,  and
   // return to the scheduler.
   int GetBackgroundProcessingTimeBudgetSeconds() const {
     return kBackgroundProcessingTimeBudgetSeconds;
   }
 
-  // How long do we allow a page to load before giving up on it
-  int GetSinglePageTimeLimitInSeconds() const {
-    return kSinglePageTimeLimitSeconds;
+  // How long do we allow a page to load before giving up on it when
+  // background loading was scheduled.
+  int GetSinglePageTimeLimitWhenBackgroundScheduledInSeconds() const {
+    return kSinglePageTimeLimitWhenBackgroundScheduledSeconds;
+  }
+
+  // How long do we allow a page to load before giving up on it when
+  // immediately background loading.
+  int GetSinglePageTimeLimitForImmediateLoadInSeconds() const {
+    return kSinglePageTimeLimitForImmediateLoadSeconds;
   }
 
   // How long we allow requests to remain in the system before giving up.
   int GetRequestExpirationTimeInSeconds() const {
     return kRequestExpirationTimeInSeconds;
   }
 
  private:
   bool prefer_untried_requests_;
   bool prefer_earlier_requests_;
   bool retry_count_is_more_important_than_recency_;
   int max_started_tries_;
   int max_completed_tries_;
 };
-}
+}  // namespace offline_pages
+
 
 #endif  // COMPONENTS_OFFLINE_PAGES_BACKGROUND_OFFLINER_POLICY_H_