[Sync] Move sessions/ to engine/cycle/ and rename things to match.

components/sync/engine_impl/cycle/mock_debug_info_getter.cc

Index: components/sync/engine_impl/cycle/mock_debug_info_getter.cc
diff --git a/components/sync/test/sessions/mock_debug_info_getter.cc b/components/sync/engine_impl/cycle/mock_debug_info_getter.cc
similarity index 83%
rename from components/sync/test/sessions/mock_debug_info_getter.cc
rename to components/sync/engine_impl/cycle/mock_debug_info_getter.cc
index 74e1b3b77f9038fee54f56da73b3a676680359f4..f71c136b7e4a051cc60e9e4f4087e25779dfb15b 100644
--- a/components/sync/test/sessions/mock_debug_info_getter.cc
+++ b/components/sync/engine_impl/cycle/mock_debug_info_getter.cc
@@ -2,10 +2,9 @@
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
-#include "components/sync/test/sessions/mock_debug_info_getter.h"
+#include "components/sync/engine_impl/cycle/mock_debug_info_getter.h"
 
 namespace syncer {
-namespace sessions {
 
 MockDebugInfoGetter::MockDebugInfoGetter() {}
 
@@ -23,5 +22,4 @@ void MockDebugInfoGetter::AddDebugEvent() {
   debug_info_.add_events();
 }
 
-}  // namespace sessions
 }  // namespace syncer