[SYNC] Fix handling of password store corruption.

chrome/browser/sync/glue/password_data_type_controller.cc

Index: chrome/browser/sync/glue/password_data_type_controller.cc
diff --git a/chrome/browser/sync/glue/password_data_type_controller.cc b/chrome/browser/sync/glue/password_data_type_controller.cc
index c48386077ced4614d367446e4d3b5fd85085bb89..fd8cd12d185f284a831a9d82b84abb034bef8618 100644
--- a/chrome/browser/sync/glue/password_data_type_controller.cc
+++ b/chrome/browser/sync/glue/password_data_type_controller.cc
@@ -53,7 +53,14 @@ void PasswordDataTypeController::Start(StartCallback* start_callback) {
 
   set_state(ASSOCIATING);
   password_store_ = profile_->GetPasswordStore(Profile::EXPLICIT_ACCESS);
-  DCHECK(password_store_.get());
+  if (!password_store_.get()) {
+    LOG(ERROR) << "PasswordStore not initialized, password datatype controller"
+        << " aborting.";
+    state_ = NOT_RUNNING;
+    start_callback->Run(ABORTED);
+    delete start_callback;
+    return;
+  }
   password_store_->ScheduleTask(
       NewRunnableMethod(this, &PasswordDataTypeController::StartImpl));
 }