[Sync] Move the last things out of core/.

components/sync/core_impl/js_mutation_event_observer.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 "components/sync/core_impl/js_mutation_event_observer.h"
-
-#include <stddef.h>
-
-#include "base/location.h"
-#include "base/logging.h"
-#include "base/strings/string_number_conversions.h"
-#include "base/values.h"
-#include "components/sync/js/js_event_details.h"
-#include "components/sync/js/js_event_handler.h"
-
-namespace syncer {
-
-JsMutationEventObserver::JsMutationEventObserver() : weak_ptr_factory_(this) {}
-
-JsMutationEventObserver::~JsMutationEventObserver() {
-  DCHECK(CalledOnValidThread());
-}
-
-base::WeakPtr<JsMutationEventObserver> JsMutationEventObserver::AsWeakPtr() {
-  return weak_ptr_factory_.GetWeakPtr();
-}
-
-void JsMutationEventObserver::InvalidateWeakPtrs() {
-  weak_ptr_factory_.InvalidateWeakPtrs();
-}
-
-void JsMutationEventObserver::SetJsEventHandler(
-    const WeakHandle<JsEventHandler>& event_handler) {
-  event_handler_ = event_handler;
-}
-
-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(
-    ModelType model_type,
-    int64_t write_transaction_id,
-    const ImmutableChangeRecordList& changes) {
-  if (!event_handler_.IsInitialized()) {
-    return;
-  }
-  base::DictionaryValue details;
-  details.SetString("modelType", ModelTypeToString(model_type));
-  details.SetString("writeTransactionId",
-                    base::Int64ToString(write_transaction_id));
-  base::Value* changes_value = NULL;
-  const size_t changes_size = changes.Get().size();
-  if (changes_size <= kChangeLimit) {
-    base::ListValue* changes_list = new base::ListValue();
-    for (ChangeRecordList::const_iterator it = changes.Get().begin();
-         it != changes.Get().end(); ++it) {
-      changes_list->Append(it->ToValue());
-    }
-    changes_value = changes_list;
-  } else {
-    changes_value =
-        new base::StringValue(base::SizeTToString(changes_size) + " changes");
-  }
-  details.Set("changes", changes_value);
-  HandleJsEvent(FROM_HERE, "onChangesApplied", JsEventDetails(&details));
-}
-
-void JsMutationEventObserver::OnChangesComplete(ModelType model_type) {
-  if (!event_handler_.IsInitialized()) {
-    return;
-  }
-  base::DictionaryValue details;
-  details.SetString("modelType", ModelTypeToString(model_type));
-  HandleJsEvent(FROM_HERE, "onChangesComplete", JsEventDetails(&details));
-}
-
-void JsMutationEventObserver::OnTransactionWrite(
-    const syncable::ImmutableWriteTransactionInfo& write_transaction_info,
-    ModelTypeSet models_with_changes) {
-  DCHECK(CalledOnValidThread());
-  if (!event_handler_.IsInitialized()) {
-    return;
-  }
-  base::DictionaryValue details;
-  details.Set("writeTransactionInfo",
-              write_transaction_info.Get().ToValue(kChangeLimit));
-  details.Set("modelsWithChanges", ModelTypeSetToValue(models_with_changes));
-  HandleJsEvent(FROM_HERE, "onTransactionWrite", 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 syncer