linux: call g_thread_init() at relevant startup points

base/test_suite.h

 // Copyright (c) 2006-2008 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 BASE_TEST_SUITE_H_
 #define BASE_TEST_SUITE_H_
 
 // Defines a basic test suite framework for running gtest based tests.  You can
 // instantiate this class in your main function and call its Run method to run
 // any gtest based tests that are linked into your executable.
@@ skipping 23 matching lines @@
 #include <gtk/gtk.h>
 #endif
 
 class TestSuite {
  public:
   TestSuite(int argc, char** argv) {
     base::EnableTerminationOnHeapCorruption();
     CommandLine::Init(argc, argv);
     testing::InitGoogleTest(&argc, argv);
 #if defined(OS_LINUX)
+    g_thread_init(NULL);
     gtk_init_check(&argc, &argv);
 #endif
     // Don't add additional code to this constructor.  Instead add it to
     // Initialize().  See bug 6436.
   }
 
   virtual ~TestSuite() {
     CommandLine::Terminate();
   }
 
@@ skipping 94 matching lines @@
 
   virtual void Shutdown() {
   }
 
   // Make sure that we setup an AtExitManager so Singleton objects will be
   // destroyed.
   base::AtExitManager at_exit_manager_;
 };
 
 #endif  // BASE_TEST_SUITE_H_