Convert most run_all_unittests.cc files to use new unit test launcher.

content/test/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/bind.h"
+#include "base/test/unit_test_launcher.h"
 #include "content/test/content_test_suite.h"
 #include "content/public/test/unittest_test_suite.h"
 
 int main(int argc, char** argv) {
-  return content::UnitTestTestSuite(
-      new content::ContentTestSuite(argc, argv)).Run();
+  content::UnitTestTestSuite test_suite(
+      new content::ContentTestSuite(argc, argv));
+
+  return base::LaunchUnitTests(
+      argc, argv, base::Bind(&content::UnitTestTestSuite::Run,
+                             base::Unretained(&test_suite)));
 }