sync: Refactor per-datatype throttling

sync/engine/sync_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 "sync/engine/sync_scheduler.h"
 
 #include <algorithm>
 #include <cstring>
 
 #include "base/bind.h"
 #include "base/compiler_specific.h"
 #include "base/location.h"
 #include "base/logging.h"
 #include "base/message_loop.h"
 #include "base/rand_util.h"
 #include "sync/engine/syncer.h"
+#include "sync/engine/throttled_data_type_tracker.h"
 #include "sync/protocol/proto_enum_conversions.h"
 #include "sync/protocol/sync.pb.h"
 #include "sync/util/data_type_histogram.h"
 #include "sync/util/logging.h"
 
 using base::TimeDelta;
 using base::TimeTicks;
 
 namespace browser_sync {
 
@@ skipping 304 matching lines @@
 
 SyncScheduler::JobProcessDecision SyncScheduler::DecideOnJob(
     const SyncSessionJob& job) {
   DCHECK_EQ(MessageLoop::current(), sync_loop_);
   if (job.purpose == SyncSessionJob::CLEAR_USER_DATA ||
       job.purpose == SyncSessionJob::CLEANUP_DISABLED_TYPES)
     return CONTINUE;
 
   // See if our type is throttled.
   syncable::ModelTypeSet throttled_types =
-      session_context_->GetThrottledTypes();
+      session_context_->throttled_data_type_tracker()->GetThrottledTypes();
   if (job.purpose == SyncSessionJob::NUDGE &&
       job.session->source().updates_source == GetUpdatesCallerInfo::LOCAL) {
     syncable::ModelTypeSet requested_types;
     for (ModelTypePayloadMap::const_iterator i =
          job.session->source().types.begin();
          i != job.session->source().types.end();
          ++i) {
       requested_types.Put(i->first);
     }
 
@@ skipping 839 matching lines @@
 
 #undef SDVLOG_LOC
 
 #undef SDVLOG
 
 #undef SLOG
 
 #undef ENUM_CASE
 
 }  // browser_sync