Make the "Tabs" item on about:sync non-yellow

sync/syncable/model_type_unittest.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/public/base/model_type.h"
 
 #include <string>
 
 #include "base/memory/scoped_ptr.h"
 #include "base/test/values_test_util.h"
@@ skipping 53 matching lines @@
 
 TEST_F(ModelTypeTest, IsRealDataType) {
   EXPECT_FALSE(IsRealDataType(UNSPECIFIED));
   EXPECT_FALSE(IsRealDataType(MODEL_TYPE_COUNT));
   EXPECT_FALSE(IsRealDataType(TOP_LEVEL_FOLDER));
   EXPECT_TRUE(IsRealDataType(FIRST_REAL_MODEL_TYPE));
   EXPECT_TRUE(IsRealDataType(BOOKMARKS));
   EXPECT_TRUE(IsRealDataType(APPS));
 }
 
+TEST_F(ModelTypeTest, IsProxyType) {
+  EXPECT_FALSE(IsProxyType(BOOKMARKS));
+  EXPECT_FALSE(IsProxyType(MODEL_TYPE_COUNT));
+  EXPECT_TRUE(IsProxyType(PROXY_TABS));
+}
+
 // Make sure we can convert ModelTypes to and from specifics field
 // numbers.
 TEST_F(ModelTypeTest, ModelTypeToFromSpecificsFieldNumber) {
   ModelTypeSet protocol_types = ProtocolTypes();
   for (ModelTypeSet::Iterator iter = protocol_types.First(); iter.Good();
        iter.Inc()) {
     int field_number = GetSpecificsFieldNumberFromModelType(iter.Get());
     EXPECT_EQ(iter.Get(),
               GetModelTypeFromSpecificsFieldNumber(field_number));
   }
@@ skipping 49 matching lines @@
     sync_pb::EntitySpecifics from_string;
     EXPECT_TRUE(from_string.ParseFromString(tmp));
     EXPECT_TRUE(from_string.IsInitialized());
 
     EXPECT_EQ(it.Get(), syncer::GetModelTypeFromSpecifics(from_string));
   }
 }
 
 }  // namespace
 }  // namespace syncer