Remove support for special "sign in process" state.

extensions/browser/info_map.cc

Index: extensions/browser/info_map.cc
diff --git a/extensions/browser/info_map.cc b/extensions/browser/info_map.cc
index 23587d5f1c7a8fae2162ab5e4e1157444084e428..00b2437b682d7a7f2f67c6973fcafc8a5ef1b4e9 100644
--- a/extensions/browser/info_map.cc
+++ b/extensions/browser/info_map.cc
@@ -46,7 +46,7 @@ InfoMap::ExtraData::ExtraData()
 
 InfoMap::ExtraData::~ExtraData() {}
 
-InfoMap::InfoMap() : signin_process_id_(-1) {
+InfoMap::InfoMap() {
 }
 
 void InfoMap::AddExtension(const Extension* extension,
@@ -232,14 +232,6 @@ QuotaService* InfoMap::GetQuotaService() {
   return quota_service_.get();
 }
 
-void InfoMap::SetSigninProcess(int process_id) {
-  signin_process_id_ = process_id;
-}
-
-bool InfoMap::IsSigninProcess(int process_id) const {
-  return process_id == signin_process_id_;
-}
-
 void InfoMap::SetNotificationsDisabled(
     const std::string& extension_id,
     bool notifications_disabled) {