Moved the ProxyPolicyProvider to the policy component.

chrome/browser/chromeos/policy/proxy_policy_provider.cc

-// Copyright (c) 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.
-
-#include "chrome/browser/chromeos/policy/proxy_policy_provider.h"
-
-namespace policy {
-
-ProxyPolicyProvider::ProxyPolicyProvider() : delegate_(NULL) {}
-
-ProxyPolicyProvider::~ProxyPolicyProvider() {
-  DCHECK(!delegate_);
-}
-
-void ProxyPolicyProvider::SetDelegate(ConfigurationPolicyProvider* delegate) {
-  if (delegate_)
-    delegate_->RemoveObserver(this);
-  delegate_ = delegate;
-  if (delegate_) {
-    delegate_->AddObserver(this);
-    OnUpdatePolicy(delegate_);
-  } else {
-    UpdatePolicy(scoped_ptr<PolicyBundle>(new PolicyBundle()));
-  }
-}
-
-void ProxyPolicyProvider::Shutdown() {
-  // Note: the delegate is not owned by the proxy provider, so this call is not
-  // forwarded. The same applies for the Init() call.
-  // Just drop the delegate without propagating updates here.
-  if (delegate_) {
-    delegate_->RemoveObserver(this);
-    delegate_ = NULL;
-  }
-  ConfigurationPolicyProvider::Shutdown();
-}
-
-void ProxyPolicyProvider::RefreshPolicies() {
-  if (delegate_) {
-    delegate_->RefreshPolicies();
-  } else {
-    // Subtle: if a RefreshPolicies() call comes after Shutdown() then the
-    // current bundle should be served instead. This also does the right thing
-    // if SetDelegate() was never called before.
-    scoped_ptr<PolicyBundle> bundle(new PolicyBundle());
-    bundle->CopyFrom(policies());
-    UpdatePolicy(bundle.Pass());
-  }
-}
-
-void ProxyPolicyProvider::OnUpdatePolicy(
-    ConfigurationPolicyProvider* provider) {
-  DCHECK_EQ(delegate_, provider);
-  scoped_ptr<PolicyBundle> bundle(new PolicyBundle());
-  bundle->CopyFrom(delegate_->policies());
-  UpdatePolicy(bundle.Pass());
-}
-
-}  // namespace policy