Make it possible to run gtests on iOS.

base/test/main_hook.h

Index: base/test/main_hook.h
diff --git a/base/test/main_hook.h b/base/test/main_hook.h
new file mode 100644
index 0000000000000000000000000000000000000000..f81f630619faebb16d7c1fce40f312fd0ec54a6d
--- /dev/null
+++ b/base/test/main_hook.h
@@ -0,0 +1,20 @@
+// 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 "build/build_config.h"
+#include "base/basictypes.h"
+
+class MainHook {

[stuartmorgan, 2012/07/12 09:36:31]

Needs a class level comment (just explaining that it provides a way of running
code intended to be run before starting gtest-based tests, or something like
that).

[leng, 2012/07/12 10:44:42]

Done.

+public:

[stuartmorgan, 2012/07/12 09:36:31]

Indent 1

[leng, 2012/07/12 10:44:42]

Done.

+  typedef int (*MainType)(int, char*[]);
+  MainHook(MainType main_func, int argc, char* argv[])
+#if !defined(OS_IOS)

[stuartmorgan, 2012/07/12 09:36:31]

While it seems a bit silly, I think it would probably be better to make a
main_hook.cc with an #if !defined(OS_IO) implementation and get rid of the ugly
ifdef.

[leng, 2012/07/12 10:44:42]

Done.

+  {}
+#else
+  ;
+#endif
+private:

[stuartmorgan, 2012/07/12 09:36:31]

Indent 1

[leng, 2012/07/12 10:44:42]

Done.

+  DISALLOW_COPY_AND_ASSIGN(MainHook);
+};
+