Remove sync OnTransaction{Start,End} notification

chrome/browser/sync/js/js_mutation_event_observer.cc

 // Copyright (c) 2011 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 "chrome/browser/sync/js/js_mutation_event_observer.h"
 
 #include <string>
 
 #include "base/location.h"
 #include "base/logging.h"
@@ skipping 17 matching lines @@
 
 void JsMutationEventObserver::InvalidateWeakPtrs() {
   weak_ptr_factory_.InvalidateWeakPtrs();
 }
 
 void JsMutationEventObserver::SetJsEventHandler(
     const WeakHandle<JsEventHandler>& event_handler) {
   event_handler_ = event_handler;
 }
 
-void JsMutationEventObserver::OnTransactionStart(
-    const tracked_objects::Location& location,
-    const syncable::WriterTag& writer) {
-  DCHECK(non_thread_safe_.CalledOnValidThread());
-  if (!event_handler_.IsInitialized()) {
-    return;
-  }
-  DictionaryValue details;
-  details.SetString("location", location.ToString());
-  details.SetString("writer", syncable::WriterTagToString(writer));
-  HandleJsEvent(FROM_HERE, "onTransactionStart", JsEventDetails(&details));
-}
-
 namespace {
 
 // Max number of changes we attempt to convert to values (to avoid
 // running out of memory).
 const size_t kChangeLimit = 100;
 
 }  // namespace
 
 void JsMutationEventObserver::OnChangesApplied(
     syncable::ModelType model_type,
@@ skipping 43 matching lines @@
     return;
   }
   DictionaryValue details;
   details.Set("writeTransactionInfo",
               write_transaction_info.Get().ToValue(kChangeLimit));
   details.Set("modelsWithChanges",
               syncable::ModelTypeBitSetToValue(models_with_changes));
   HandleJsEvent(FROM_HERE, "onTransactionWrite", JsEventDetails(&details));
 }
 
-void JsMutationEventObserver::OnTransactionEnd(
-    const tracked_objects::Location& location,
-    const syncable::WriterTag& writer) {
-  DCHECK(non_thread_safe_.CalledOnValidThread());
-  if (!event_handler_.IsInitialized()) {
-    return;
-  }
-  DictionaryValue details;
-  details.SetString("location", location.ToString());
-  details.SetString("writer", syncable::WriterTagToString(writer));
-  HandleJsEvent(FROM_HERE, "onTransactionEnd", JsEventDetails(&details));
-}
-
 void JsMutationEventObserver::HandleJsEvent(
     const tracked_objects::Location& from_here,
     const std::string& name, const JsEventDetails& details) {
   if (!event_handler_.IsInitialized()) {
     NOTREACHED();
     return;
   }
   event_handler_.Call(from_here,
                       &JsEventHandler::HandleJsEvent, name, details);
 }
 
 }  // namespace browser_sync