[Sync] Rename csync namespace to syncer

sync/sessions/ordered_commit_set_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/sessions/ordered_commit_set.h"
 #include "sync/test/engine/test_id_factory.h"
 #include "testing/gtest/include/gtest/gtest.h"
 
 using std::vector;
 
 class OrderedCommitSetTest : public testing::Test {
  public:
   OrderedCommitSetTest() {
-    routes_[syncable::BOOKMARKS] = csync::GROUP_UI;
-    routes_[syncable::PREFERENCES] = csync::GROUP_UI;
-    routes_[syncable::AUTOFILL] = csync::GROUP_DB;
-    routes_[syncable::TOP_LEVEL_FOLDER] = csync::GROUP_PASSIVE;
+    routes_[syncable::BOOKMARKS] = syncer::GROUP_UI;
+    routes_[syncable::PREFERENCES] = syncer::GROUP_UI;
+    routes_[syncable::AUTOFILL] = syncer::GROUP_DB;
+    routes_[syncable::TOP_LEVEL_FOLDER] = syncer::GROUP_PASSIVE;
   }
  protected:
-  csync::TestIdFactory ids_;
-  csync::ModelSafeRoutingInfo routes_;
+  syncer::TestIdFactory ids_;
+  syncer::ModelSafeRoutingInfo routes_;
 };
 
-namespace csync {
+namespace syncer {
 namespace sessions {
 
 TEST_F(OrderedCommitSetTest, Projections) {
   vector<syncable::Id> expected;
   for (int i = 0; i < 8; i++)
     expected.push_back(ids_.NewLocalId());
 
   OrderedCommitSet commit_set1(routes_), commit_set2(routes_);
   commit_set1.AddCommitItem(0, expected[0], syncable::BOOKMARKS);
   commit_set1.AddCommitItem(1, expected[1], syncable::BOOKMARKS);
@@ skipping 86 matching lines @@
   ASSERT_TRUE(commit_set.Empty());
 
   commit_set.AddCommitItem(0, ids_.NewLocalId(), syncable::AUTOFILL);
   ASSERT_EQ(static_cast<size_t>(1), commit_set.Size());
 
   commit_set.Clear();
   ASSERT_TRUE(commit_set.Empty());
 }
 
 }  // namespace sessions
-}  // namespace csync
+}  // namespace syncer