Move files from //chrome/browser/sync to sync_driver component.

components/sync_driver/model_association_manager.cc

Index: components/sync_driver/model_association_manager.cc
diff --git a/chrome/browser/sync/glue/model_association_manager.cc b/components/sync_driver/model_association_manager.cc
similarity index 98%
rename from chrome/browser/sync/glue/model_association_manager.cc
rename to components/sync_driver/model_association_manager.cc
index 8b0f7a413ce747d0af6b574955b788d4c4db51d2..723c73ee0eee15cefac617ae41914ef28a7f489f 100644
--- a/chrome/browser/sync/glue/model_association_manager.cc
+++ b/components/sync_driver/model_association_manager.cc
@@ -2,7 +2,7 @@
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
-#include "chrome/browser/sync/glue/model_association_manager.h"
+#include "components/sync_driver/model_association_manager.h"
 
 #include <algorithm>
 #include <functional>
@@ -11,10 +11,8 @@
 #include "base/logging.h"
 #include "base/message_loop/message_loop.h"
 #include "base/metrics/histogram.h"
-#include "content/public/browser/browser_thread.h"
 #include "sync/internal_api/public/base/model_type.h"
 
-using content::BrowserThread;
 using syncer::ModelTypeSet;
 
 namespace browser_sync {
@@ -336,8 +334,6 @@ void ModelAssociationManager::TypeStartCallback(
     DataTypeController::StartResult start_result,
     const syncer::SyncMergeResult& local_merge_result,
     const syncer::SyncMergeResult& syncer_merge_result) {
-  DCHECK(BrowserThread::CurrentlyOn(BrowserThread::UI));

[blundell, 2014/02/01 13:18:32]

Do you think it's worth preserving this DCHECK by injecting a ui_thread or using
a ThreadChecker (if this class is set up on the UI thread)?

[Nicolas Zea, 2014/02/03 19:21:36]

Removing it is fine, all these classes are UI thread only.

-
   // TODO(haitaol): temporary fix for 335606.
   if (slow_types_.Has(type))
     return;