Add DISABLE_TCP_TRANSPORT flag in the Transport API.

remoting/host/plugin/policy_hack/nat_policy_linux.cc

 // Copyright (c) 2011 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 53 matching lines @@
     DCHECK(OnPolicyThread());
     watcher_.reset(new base::files::FilePathWatcher());
 
     if (!config_dir_.empty() &&
         !watcher_->Watch(
             config_dir_,
             new FilePathWatcherDelegate(weak_factory_.GetWeakPtr()))) {
       OnFilePathError(config_dir_);
     }
 
+    LOG(ERROR) << "Start Watching";
+
     // There might have been changes to the directory in the time between
     // construction of the loader and initialization of the watcher. Call reload
     // to detect if that is the case.
     Reload();
 
     ScheduleFallbackReloadTask();
   }
 
   virtual void StopWatchingInternal() OVERRIDE {
+    LOG(ERROR) << "Stop Watching";
     DCHECK(OnPolicyThread());
     // Cancel any inflight requests.
     watcher_.reset();
   }
 
   // Called by FilePathWatcherDelegate.
   virtual void OnFilePathError(const FilePath& path) {
     LOG(ERROR) << "NatPolicyLinux on " << path.value()
                << " failed.";
   }
@@ skipping 168 matching lines @@
   base::WeakPtrFactory<NatPolicyLinux> weak_factory_;
 };
 
 NatPolicy* NatPolicy::Create(base::MessageLoopProxy* message_loop_proxy) {
   FilePath policy_dir(kPolicyDir);
   return new NatPolicyLinux(message_loop_proxy, policy_dir);
 }
 
 }  // namespace policy_hack
 }  // namespace remoting