sync: Refactor per-datatype throttling

sync/internal_api/sync_manager.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/internal_api/sync_manager.h"
 
 #include <string>
 
 #include "base/base64.h"
 #include "base/bind.h"
 #include "base/callback.h"
 #include "base/command_line.h"
 #include "base/compiler_specific.h"
 #include "base/json/json_writer.h"
 #include "base/memory/ref_counted.h"
 #include "base/metrics/histogram.h"
 #include "base/observer_list.h"
 #include "base/string_number_conversions.h"
 #include "base/values.h"
 #include "net/base/network_change_notifier.h"
+#include "sync/engine/throttled_data_type_tracker.h"
 #include "sync/engine/net/server_connection_manager.h"
 #include "sync/engine/nigori_util.h"
 #include "sync/engine/polling_constants.h"
 #include "sync/engine/sync_scheduler.h"
 #include "sync/engine/syncer_types.h"
 #include "sync/internal_api/all_status.h"
 #include "sync/internal_api/base_node.h"
 #include "sync/internal_api/change_reorder_buffer.h"
 #include "sync/internal_api/configure_reason.h"
 #include "sync/internal_api/debug_info_event_listener.h"
@@ skipping 108 matching lines @@
       public syncable::DirectoryChangeDelegate {
  public:
   explicit SyncInternal(const std::string& name)
       : name_(name),
         weak_ptr_factory_(ALLOW_THIS_IN_INITIALIZER_LIST(this)),
         registrar_(NULL),
         change_delegate_(NULL),
         initialized_(false),
         testing_mode_(NON_TEST),
         observing_ip_address_changes_(false),
+        throttled_data_type_tracker_(&allstatus_),
         traffic_recorder_(kMaxMessagesToRecord, kMaxMessageSizeToRecord),
         encryptor_(NULL),
         unrecoverable_error_handler_(NULL),
         report_unrecoverable_error_function_(NULL),
         created_on_loop_(MessageLoop::current()),
         nigori_overwrite_count_(0) {
     // Pre-fill |notification_info_map_|.
     for (int i = syncable::FIRST_REAL_MODEL_TYPE;
          i < syncable::MODEL_TYPE_COUNT; ++i) {
       notification_info_map_.insert(
@@ skipping 442 matching lines @@
   // Map used to store the notification info to be displayed in
   // about:sync page.
   NotificationInfoMap notification_info_map_;
 
   // These are for interacting with chrome://sync-internals.
   JsMessageHandlerMap js_message_handlers_;
   WeakHandle<JsEventHandler> js_event_handler_;
   JsSyncManagerObserver js_sync_manager_observer_;
   JsMutationEventObserver js_mutation_event_observer_;
 
+  browser_sync::ThrottledDataTypeTracker throttled_data_type_tracker_;
+
   // This is for keeping track of client events to send to the server.
   DebugInfoEventListener debug_info_event_listener_;
 
   browser_sync::TrafficRecorder traffic_recorder_;
 
   Encryptor* encryptor_;
   UnrecoverableErrorHandler* unrecoverable_error_handler_;
   ReportUnrecoverableErrorFunction report_unrecoverable_error_function_;
 
   MessageLoop* const created_on_loop_;
@@ skipping 324 matching lines @@
     // Build a SyncSessionContext and store the worker in it.
     DVLOG(1) << "Sync is bringing up SyncSessionContext.";
     std::vector<SyncEngineEventListener*> listeners;
     listeners.push_back(&allstatus_);
     listeners.push_back(this);
     SyncSessionContext* context = new SyncSessionContext(
         connection_manager_.get(),
         directory(),
         model_safe_worker_registrar,
         extensions_activity_monitor,
+        &throttled_data_type_tracker_,
         listeners,
         &debug_info_event_listener_,
         &traffic_recorder_);
     context->set_account_name(credentials.email);
     // The SyncScheduler takes ownership of |context|.
     scheduler_.reset(new SyncScheduler(name_, context, new Syncer()));
   }
 
   bool signed_in = SignIn(credentials);
 
@@ skipping 1544 matching lines @@
     share->directory->GetDownloadProgress(i.Get(), &marker);
 
     if (marker.token().empty())
       result.Put(i.Get());
 
   }
   return result;
 }
 
 }  // namespace sync_api