Make the v8 Isolate used in the proxy resolver explicit.

net/base/run_all_unittests.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 "base/metrics/statistics_recorder.h"
 #include "base/test/main_hook.h"
 #include "build/build_config.h"
 #include "crypto/nss_util.h"
 #include "net/base/net_test_suite.h"
 #include "net/socket/client_socket_pool_base.h"
 #include "net/socket/ssl_server_socket.h"
 #include "net/spdy/spdy_session.h"
 
 #if defined(OS_ANDROID)
 #include "base/android/jni_android.h"
 #include "net/android/net_jni_registrar.h"
 #endif
 
+#if !defined(OS_IOS)
+#include "net/proxy/proxy_resolver_v8.h"
+#endif
+
 using net::internal::ClientSocketPoolBaseHelper;
 using net::SpdySession;
 
 int main(int argc, char** argv) {
   MainHook hook(main, argc, argv);
 
   // Record histograms, so we can get histograms data in tests.
   base::StatisticsRecorder::Initialize();
 
 #if defined(OS_ANDROID)
   // Register JNI bindings for android. Doing it early as the test suite setup
   // may initiate a call to Java.
   net::android::RegisterJni(base::android::AttachCurrentThread());
 #endif
 
   NetTestSuite test_suite(argc, argv);
   ClientSocketPoolBaseHelper::set_connect_backup_jobs_enabled(false);
 
 #if defined(OS_WIN)
   // We want to be sure to init NSPR on the main thread.
   crypto::EnsureNSPRInit();
 #endif
 
   // Enable support for SSL server sockets, which must be done while
   // single-threaded.
   net::EnableSSLServerSockets();
 
+#if !defined(OS_IOS)
+  // This has to be done on the main thread.
+  net::ProxyResolverV8::RememberDefaultIsolate();
+#endif
+
   return test_suite.Run();
 }