[Sync] Creating sync_sessions component, moving revisit logic.

components/sync_sessions/revisit/sessions_page_revisit_observer_unittest.cc

Index: components/sync_sessions/revisit/sessions_page_revisit_observer_unittest.cc
diff --git a/components/sync_driver/revisit/sessions_page_revisit_observer_unittest.cc b/components/sync_sessions/revisit/sessions_page_revisit_observer_unittest.cc
similarity index 96%
rename from components/sync_driver/revisit/sessions_page_revisit_observer_unittest.cc
rename to components/sync_sessions/revisit/sessions_page_revisit_observer_unittest.cc
index b4ffec240cf38d35da13eb077cf54b85eafe8bd6..eb0057344fd802ef5d1f26f74ad07211f4680dd1 100644
--- a/components/sync_driver/revisit/sessions_page_revisit_observer_unittest.cc
+++ b/components/sync_sessions/revisit/sessions_page_revisit_observer_unittest.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 "components/sync_driver/revisit/sessions_page_revisit_observer.h"
+#include "components/sync_sessions/revisit/sessions_page_revisit_observer.h"
 
 #include "base/memory/scoped_ptr.h"
 #include "base/test/histogram_tester.h"
@@ -10,14 +10,15 @@
 #include "components/sessions/core/serialized_navigation_entry_test_helper.h"
 #include "components/sessions/core/session_types.h"
 #include "components/sync_driver/glue/synced_session.h"
-#include "components/sync_driver/revisit/page_visit_observer.h"
+#include "components/sync_sessions/revisit/page_visit_observer.h"
 #include "testing/gtest/include/gtest/gtest.h"
 #include "url/gurl.h"
 
 using sessions::SessionTab;
 using sessions::SessionWindow;
+using sync_driver::SyncedSession;
 
-namespace sync_driver {
+namespace sync_sessions {
 
 namespace {
 
@@ -191,4 +192,4 @@ TEST_F(SessionsPageRevisitObserverTest, RunMatchersMany) {
   CheckAndExpect(observer, GURL(kExampleUrl), true, true);
 }
 
-}  // namespace sync_driver
+}  // namespace sync_sessions