Move user requested trigger conditions into policy object.

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 kMaxRetries = 2;
 const int kBackgroundTimeBudgetSeconds = 170;
@@ skipping 18 matching lines @@
   bool ShouldPreferUntriedRequests() { return false; }
 
   // Returns true if we should prefer older requests of equal number of tries.
   bool ShouldPreferEarlierRequests() { return true; }
 
   // Returns true if retry count is considered more important than recency in
   // picking which request to try next.
   bool RetryCountIsMoreImportantThanRecency() { return true; }
 
   // The max number of times we will retry a request.
-  int GetMaxRetries() { return kMaxRetries; }
+  int GetMaxRetries() const { return kMaxRetries; }
+
+  bool PowerRequiredForUserRequestedPage() const { return false; }
+
+  bool PowerRequiredForNonUserRequestedPage() const { return true; }
+
+  bool UnmeteredNetworkRequiredForUserRequestedPage() const { return false; }
+
+  bool UnmeteredNetworkRequiredForNonUserRequestedPage() const { return true; }
+
+  int BatteryPercentageRequiredForUserRequestedPage() const { return 50; }
+
+  // This is so low because we require the device to be plugged in and charging.
+  // If we decide to allow non-user requested pages when not plugged in, we
+  // should raise this somewhat higher.
+  int BatteryPercentageRequiredForNonUserRequestedPage() const { return 25; }
 
   // How many seconds to keep trying new pages for, before we give up,  and
   // return to the scheduler.
-  int GetBackgroundProcessingTimeBudgetSeconds() {
+  int GetBackgroundProcessingTimeBudgetSeconds() const {
     return kBackgroundTimeBudgetSeconds;
   }
 
   // How long do we allow a page to load before giving up on it
-  int GetSinglePageTimeBudgetInSeconds() {
+  int GetSinglePageTimeBudgetInSeconds() const {
     return kSinglePageTimeBudgetSeconds;
   }
 
   // How much battery must we have before fetching a page not explicitly
   // requested by the user?
-  int GetMinimumBatteryPercentageForNonUserRequestOfflining() {
+  int GetMinimumBatteryPercentageForNonUserRequestOfflining() const {
     return kMinimumBatteryPercentageForNonUserRequestOfflining;
   }
 };
 }
 
 #endif  // COMPONENTS_OFFLINE_PAGES_BACKGROUND_OFFLINER_POLICY_H_