[Sync] Add cookie jar mismatch logging

sync/sessions/sync_session_context.h

 // Copyright 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.
 
 // SyncSessionContext encapsulates the contextual information and engine
 // components specific to a SyncSession.  Unlike the SyncSession, the context
 // can be reused across several sync cycles.
 //
 // The context does not take ownership of its pointer members.  It's up to
 // the surrounding classes to ensure those members remain valid while the
@@ skipping 108 matching lines @@
   }
 
   void set_server_enabled_pre_commit_update_avoidance(bool value) {
     server_enabled_pre_commit_update_avoidance_ = value;
   }
 
   ModelTypeRegistry* model_type_registry() {
     return model_type_registry_;
   }
 
+  bool cookie_jar_mismatch() const {
+    return cookie_jar_mismatch_;
+  }
+
+  void set_cookie_jar_mismatch(bool cookie_jar_mismatch) {
+    cookie_jar_mismatch_ = cookie_jar_mismatch;
+  }
+
  private:
   // Rather than force clients to set and null-out various context members, we
   // extend our encapsulation boundary to scoped helpers that take care of this
   // once they are allocated. See definitions of these below.
   friend class TestScopedSessionEventListener;
 
   base::ObserverList<SyncEngineEventListener> listeners_;
 
   ServerConnectionManager* const connection_manager_;
   syncable::Directory* const directory_;
@@ skipping 34 matching lines @@
 
   // Flag to enable or disable the no pre-commit GetUpdates experiment.  When
   // this flag is set to false, the syncer has the option of not performing at
   // GetUpdates request when there is nothing to fetch.
   bool server_enabled_pre_commit_update_avoidance_;
 
   // If true, indicates that we've been passed a command-line flag to force
   // enable the pre-commit update avoidance experiment described above.
   const bool client_enabled_pre_commit_update_avoidance_;
 
+   // Whether the account(s) present in the content area's cookie jar match the
+   // chrome account. If multiple accounts are present in the cookie jar, a
+   // mismatch implies all of them are different from the chrome account.
+  bool cookie_jar_mismatch_;
+
   DISALLOW_COPY_AND_ASSIGN(SyncSessionContext);
 };
 
 }  // namespace sessions
 }  // namespace syncer
 
 #endif  // SYNC_SESSIONS_SYNC_SESSION_CONTEXT_H_