[Sync] Move ChangeRecord into its own file (change_record.{h,cc})

chrome/browser/sync/js/js_sync_manager_observer_unittest.cc

Index: chrome/browser/sync/js/js_sync_manager_observer_unittest.cc
diff --git a/chrome/browser/sync/js/js_sync_manager_observer_unittest.cc b/chrome/browser/sync/js/js_sync_manager_observer_unittest.cc
index 3be8686c0a003b4c5c5f3d3c3343727967959117..b4f99efdfc5df50187ed901cd1416fa4eed64a89 100644
--- a/chrome/browser/sync/js/js_sync_manager_observer_unittest.cc
+++ b/chrome/browser/sync/js/js_sync_manager_observer_unittest.cc
@@ -290,7 +290,7 @@ TEST_F(JsSyncManagerObserverTest, OnChangesApplied) {
   // We don't test with passwords as that requires additional setup.
 
   // Build a list of example ChangeRecords.
-  sync_api::SyncManager::ChangeRecord changes[syncable::MODEL_TYPE_COUNT];
+  sync_api::ChangeRecord changes[syncable::MODEL_TYPE_COUNT];
   for (int i = syncable::AUTOFILL_PROFILE;
        i < syncable::MODEL_TYPE_COUNT; ++i) {
     changes[i].id =
@@ -298,15 +298,15 @@ TEST_F(JsSyncManagerObserverTest, OnChangesApplied) {
     switch (i % 3) {
       case 0:
         changes[i].action =
-            sync_api::SyncManager::ChangeRecord::ACTION_ADD;
+            sync_api::ChangeRecord::ACTION_ADD;
         break;
       case 1:
         changes[i].action =
-            sync_api::SyncManager::ChangeRecord::ACTION_UPDATE;
+            sync_api::ChangeRecord::ACTION_UPDATE;
         break;
       default:
         changes[i].action =
-            sync_api::SyncManager::ChangeRecord::ACTION_DELETE;
+            sync_api::ChangeRecord::ACTION_DELETE;
         break;
     }
     {
@@ -343,9 +343,12 @@ TEST_F(JsSyncManagerObserverTest, OnChangesApplied) {
   for (int i = syncable::AUTOFILL_PROFILE;
        i < syncable::MODEL_TYPE_COUNT; ++i) {
     sync_api::ReadTransaction trans(FROM_HERE, test_user_share.user_share());
-    js_sync_manager_observer_.OnChangesApplied(syncable::ModelTypeFromInt(i),
-                                               &trans, &changes[i],
-                                               syncable::MODEL_TYPE_COUNT - i);
+    sync_api::ChangeRecordList
+        local_changes(changes + i, changes + arraysize(changes));
+    js_sync_manager_observer_.OnChangesApplied(
+        syncable::ModelTypeFromInt(i),
+        &trans,
+        sync_api::ImmutableChangeRecordList(&local_changes));
   }
 
   test_user_share.TearDown();