Add support for ProxyResolverErrorObserver to ProxyResolverMojo.

net/net.gyp

 # 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.
 
 {
   'variables': {
     'chromium_code': 1,
 
     'linux_link_kerberos%': 0,
     'conditions': [
@@ skipping 301 matching lines @@
               'net_utility_services',
               '../third_party/mojo/mojo_edk.gyp:mojo_system_impl',
             ],
           }, {  # else
             'sources!': [
               'dns/host_resolver_mojo_unittest.cc',
               'dns/mojo_host_resolver_impl_unittest.cc',
               'proxy/load_state_change_coalescer_unittest.cc',
               'proxy/mojo_proxy_resolver_factory_impl_unittest.cc',
               'proxy/mojo_proxy_resolver_impl_unittest.cc',
+              'proxy/proxy_resolver_error_observer_mojo_unittest.cc',
               'proxy/proxy_resolver_mojo_unittest.cc',
               'proxy/proxy_service_mojo_unittest.cc',
             ],
           },
         ],
 
         [ 'enable_mdns != 1', {
             'sources!' : [
               'dns/mdns_cache_unittest.cc',
               'dns/mdns_client_unittest.cc',
@@ skipping 586 matching lines @@
           'type': 'static_library',
           'sources': [
             'dns/host_resolver_mojo.cc',
             'dns/host_resolver_mojo.h',
             'proxy/load_state_change_coalescer.cc',
             'proxy/load_state_change_coalescer.h',
             'proxy/mojo_proxy_resolver_factory_impl.cc',
             'proxy/mojo_proxy_resolver_factory_impl.h',
             'proxy/mojo_proxy_resolver_impl.cc',
             'proxy/mojo_proxy_resolver_impl.h',
+            'proxy/proxy_resolver_error_observer_mojo.cc',
+            'proxy/proxy_resolver_error_observer_mojo.h',
           ],
           'dependencies': [
             'mojo_type_converters',
             'net_interfaces',
             'net_with_v8',
             '../mojo/mojo_base.gyp:mojo_url_type_converters',
             '../third_party/mojo/mojo_public.gyp:mojo_cpp_bindings',
           ],
         },
         {
@@ skipping 604 matching lines @@
             '../build/isolate.gypi',
           ],
           'sources': [
             'net_unittests.isolate',
           ],
         },
       ],
     }],
   ],
 }