Add a method for PAC script errors to the network delegate.

Also add a wrapper class to avoid passing around raw NULL pointers, and a bridge so I can invoke the method from other than the IO thread

BUG=48930
TEST=net unittests

Review URL: http://codereview.chromium.org/6822026

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@83881 0039d316-1c4b-4281-b951-d872f2087c98

1 files changed, 27 insertions, 0 deletions

diff --git a/net/proxy/proxy_resolver_error_observer.h b/net/proxy/proxy_resolver_error_observer.h
new file mode 100644
index 0000000..ddb0694
--- /dev/null
+++ b/net/proxy/proxy_resolver_error_observer.h
@@ -0,0 +1,27 @@
+// 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.
+
+#ifndef NET_PROXY_PROXY_RESOLVER_ERROR_OBSERVER_H_
+#define NET_PROXY_PROXY_RESOLVER_ERROR_OBSERVER_H_
+#pragma once
+
+#include "base/string16.h"
+
+namespace net {
+
+// Interface for observing JavaScript error messages from PAC scripts.
+class ProxyResolverErrorObserver {
+ public:
+  ProxyResolverErrorObserver() {}
+  virtual ~ProxyResolverErrorObserver() {}
+
+  virtual void OnPACScriptError(int line_number, const string16& error) = 0;
+
+ private:
+  DISALLOW_COPY_AND_ASSIGN(ProxyResolverErrorObserver);
+};
+
+}  // namespace net
+
+#endif  // NET_PROXY_PROXY_RESOLVER_ERROR_OBSERVER_H_