make new syncer thread the default. Fixed all the test cases that failed.

BUG=26339
TEST=unit_tests.exe, sync_integration_tests.exe, sync_unit_tests.exe. manual testcases:
1. Set up a brand new profile to sync and make sure it syncs.
2. enable/disable a datatype and make sure it syncs.
3. Make change to a datatype locally and make sure it gets propagated.
4. make change to a datatype remotely and make sure it syncs down.

Committed: http://src.chromium.org/viewvc/chrome?view=rev&revision=82026

Committed: http://src.chromium.org/viewvc/chrome?view=rev&revision=82067

Review URL: http://codereview.chromium.org/6874018

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@82150 0039d316-1c4b-4281-b951-d872f2087c98

2 files changed, 1 insertions, 13 deletions

diff --git a/chrome/browser/sync/sessions/sync_session_context.cc b/chrome/browser/sync/sessions/sync_session_context.cc
index b5f072b..f0cbce4 100644
--- a/chrome/browser/sync/sessions/sync_session_context.cc
+++ b/chrome/browser/sync/sessions/sync_session_context.cc
@@ -1,4 +1,4 @@
-// Copyright (c) 2010 The Chromium Authors. All rights reserved.
+// Copyright (c) 2011 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.
 
@@ -36,10 +36,5 @@ SyncSessionContext::~SyncSessionContext() {
   }
 }
 
-void SyncSessionContext::set_last_snapshot(
-    const SyncSessionSnapshot& snapshot) {
-  previous_session_snapshot_.reset(new SyncSessionSnapshot(snapshot));
-}
-
 }  // namespace sessions
 }  // namespace browser_sync
diff --git a/chrome/browser/sync/sessions/sync_session_context.h b/chrome/browser/sync/sessions/sync_session_context.h
index 4ec8612..a3a69ec 100644
--- a/chrome/browser/sync/sessions/sync_session_context.h
+++ b/chrome/browser/sync/sessions/sync_session_context.h
@@ -92,13 +92,6 @@ class SyncSessionContext {
     previous_session_routing_info_ = info;
   }
 
-  // TODO(tim): Deprecated.  Bug 26339.
-  sessions::SyncSessionSnapshot* previous_session_snapshot() {
-    return previous_session_snapshot_.get();
-  }
-
-  void set_last_snapshot(const SyncSessionSnapshot& snapshot);
-
   void NotifyListeners(const SyncEngineEvent& event) {
     FOR_EACH_OBSERVER(SyncEngineEventListener, listeners_,
                       OnSyncEngineEvent(event));