[Chromoting] Hook up host talkgadget policy checks.

remoting/host/policy_hack/policy_watcher_linux.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.
 
 // Most of this code is copied from various classes in
 // src/chrome/browser/policy. In particular, look at
 //
 //   file_based_policy_loader.{h,cc}
 //   config_dir_policy_provider.{h,cc}
 //
@@ skipping 15 matching lines @@
 #include "base/synchronization/waitable_event.h"
 #include "base/time.h"
 #include "base/values.h"
 
 namespace remoting {
 namespace policy_hack {
 
 namespace {
 
 const FilePath::CharType kPolicyDir[] =
-    FILE_PATH_LITERAL("/etc/opt/chrome/policies/managed");
+  // Always read the Chrome policies (even on Chromium) so that policy
+  // enforcement can't be bypassed by running Chromium.
+  FILE_PATH_LITERAL("/etc/opt/chrome/policies/managed");
 
 // Amount of time we wait for the files on disk to settle before trying to load
 // them. This alleviates the problem of reading partially written files and
 // makes it possible to batch quasi-simultaneous changes.
 const int kSettleIntervalSeconds = 5;
 
 }  // namespace
 
 class PolicyWatcherLinux : public PolicyWatcher {
  public:
@@ skipping 222 matching lines @@
 };
 
 PolicyWatcher* PolicyWatcher::Create(
     scoped_refptr<base::SingleThreadTaskRunner> task_runner) {
   FilePath policy_dir(kPolicyDir);
   return new PolicyWatcherLinux(task_runner, policy_dir);
 }
 
 }  // namespace policy_hack
 }  // namespace remoting