Add source column to chrome://policy showing the origins of policies.

components/policy/core/common/async_policy_provider.cc

 // Copyright 2013 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.
 
 #include "components/policy/core/common/async_policy_provider.h"
 
 #include "base/bind.h"
 #include "base/bind_helpers.h"
 #include "base/location.h"
 #include "base/sequenced_task_runner.h"
 #include "base/single_thread_task_runner.h"
 #include "base/thread_task_runner_handle.h"
 #include "components/policy/core/common/async_policy_loader.h"
 #include "components/policy/core/common/policy_bundle.h"
 #include "components/policy/core/common/schema_registry.h"
 
 namespace policy {
 
 AsyncPolicyProvider::AsyncPolicyProvider(
     SchemaRegistry* registry,
     scoped_ptr<AsyncPolicyLoader> loader)
     : loader_(loader.Pass()),
       weak_factory_(this) {
+  // The loaders always read policies from local platform sources.
+  source_ = POLICY_SOURCE_PLATFORM;

[bartfab (slow), 2015/09/14 14:42:26]

Nit: #include "components/policy/core/common/policy_types.h"

[fhorschig, 2015/09/16 13:52:04]

Done.

   // Make an immediate synchronous load on startup.
   OnLoaderReloaded(loader_->InitialLoad(registry->schema_map()));
 }
 
 AsyncPolicyProvider::~AsyncPolicyProvider() {
   DCHECK(CalledOnValidThread());
 }
 
 void AsyncPolicyProvider::Init(SchemaRegistry* registry) {
   DCHECK(CalledOnValidThread());
@@ skipping 89 matching lines @@
     scoped_refptr<base::SingleThreadTaskRunner> runner,
     base::WeakPtr<AsyncPolicyProvider> weak_this,
     scoped_ptr<PolicyBundle> bundle) {
   runner->PostTask(FROM_HERE,
                  base::Bind(&AsyncPolicyProvider::OnLoaderReloaded,
                             weak_this,
                             base::Passed(&bundle)));
 }
 
 }  // namespace policy