removing explicit enum numbering in ResourceScheduler::Client

content/browser/loader/resource_scheduler.cc

 // Copyright (c) 2012 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.
 
 #include <set>
 
 #include "content/browser/loader/resource_scheduler.h"
 
 #include "base/stl_util.h"
 #include "content/common/resource_messages.h"
@@ skipping 291 matching lines @@
     pending_requests_.Insert(request);
 
     if (new_priority_params.priority > old_priority_params.priority) {
       // Check if this request is now able to load at its new priority.
       LoadAnyStartablePendingRequests();
     }
   }
 
  private:
   enum ShouldStartReqResult {
-      DO_NOT_START_REQUEST_AND_STOP_SEARCHING = -2,
-      DO_NOT_START_REQUEST_AND_KEEP_SEARCHING = -1,
-      START_REQUEST = 1,
+    DO_NOT_START_REQUEST_AND_STOP_SEARCHING,
+    DO_NOT_START_REQUEST_AND_KEEP_SEARCHING,
+    START_REQUEST,
   };
 
   void InsertInFlightRequest(ScheduledResourceRequest* request) {
     in_flight_requests_.insert(request);
     if (IsDelayableRequest(request))
       SetRequestDelayable(request, true);
   }
 
   void EraseInFlightRequest(ScheduledResourceRequest* request) {
     size_t erased = in_flight_requests_.erase(request);
@@ skipping 323 matching lines @@
   client->ReprioritizeRequest(
       request, old_priority_params, new_priority_params);
 }
 
 ResourceScheduler::ClientId ResourceScheduler::MakeClientId(
     int child_id, int route_id) {
   return (static_cast<ResourceScheduler::ClientId>(child_id) << 32) | route_id;
 }
 
 }  // namespace content