Expose the sandbox related code through the content API. I did a bit of cleanup while I was doing...

content/test/content_browser_test.cc

 // Copyright (c) 2011 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 "content/test/content_browser_test.h"
 
 #include "base/debug/stack_trace.h"
-#include "base/mac/scoped_nsautorelease_pool.h"
 #include "base/message_loop.h"
 #include "content/shell/shell.h"
 #include "content/shell/shell_main_delegate.h"
 #include "content/test/test_content_client.h"
 
+#if defined(OS_MACOSX)
+#include "base/mac/scoped_nsautorelease_pool.h"
+#endif
+
 ContentBrowserTest::ContentBrowserTest() {
 }
 
 ContentBrowserTest::~ContentBrowserTest() {
 }
 
 void ContentBrowserTest::SetUp() {
   DCHECK(!content::GetContentClient());
   shell_main_delegate_.reset(new ShellMainDelegate);
   shell_main_delegate_->PreSandboxStartup();
@@ skipping 15 matching lines @@
   base::debug::StackTrace().PrintBacktrace();
   _exit(128 + signal);
 }
 #endif  // defined(OS_POSIX)
 
 void ContentBrowserTest::RunTestOnMainThreadLoop() {
 #if defined(OS_POSIX)
   signal(SIGTERM, DumpStackTraceSignalHandler);
 #endif  // defined(OS_POSIX)
 
+#if defined(OS_MACOSX)
   // On Mac, without the following autorelease pool, code which is directly
   // executed (as opposed to executed inside a message loop) would autorelease
   // objects into a higher-level pool. This pool is not recycled in-sync with
   // the message loops' pools and causes problems with code relying on
   // deallocation via an autorelease pool (such as browser window closure and
   // browser shutdown). To avoid this, the following pool is recycled after each
   // time code is directly executed.
   base::mac::ScopedNSAutoreleasePool pool;
+#endif
 
   // Pump startup related events.
   MessageLoopForUI::current()->RunAllPending();
+
+#if defined(OS_MACOSX)
   pool.Recycle();
+#endif
 
   RunTestOnMainThread();
+#if defined(OS_MACOSX)
   pool.Recycle();
+#endif
 
   MessageLoopForUI::current()->Quit();
+#if defined(OS_MACOSX)
   pool.Recycle();
+#endif
 }