Chromoting needs null GPO provider in PolicyLoaderWin.

components/policy/core/common/policy_loader_win.cc

Index: components/policy/core/common/policy_loader_win.cc
diff --git a/components/policy/core/common/policy_loader_win.cc b/components/policy/core/common/policy_loader_win.cc
index 5b6f57fd2ef69b49ff56f5076a198d0ced4f4662..e342496f94d630ff8f7e82ab97a588167425d95b 100644
--- a/components/policy/core/common/policy_loader_win.cc
+++ b/components/policy/core/common/policy_loader_win.cc
@@ -462,9 +462,10 @@ scoped_ptr<PolicyBundle> PolicyLoaderWin::Load() {
     // timeout on it more aggressively. For now, there's no justification for
     // the additional effort this would introduce.
 
-    if (is_enterprise || !ReadPolicyFromGPO(scope, &gpo_dict, &status)) {
-      VLOG_IF(1, !is_enterprise) << "Failed to read GPO files for " << scope
-                                 << " falling back to registry.";
+    bool is_registry_forced = is_enterprise || gpo_provider_ == nullptr;
+    if (is_registry_forced || !ReadPolicyFromGPO(scope, &gpo_dict, &status)) {
+      VLOG_IF(1, !is_registry_forced) << "Failed to read GPO files for "
+                                      << scope << " falling back to registry.";
       gpo_dict.ReadRegistry(kScopes[i].hive, chrome_policy_key_);
     }