Add (not yet working) content_browsertests target.

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/test/test_content_client.h"
+
+void ContentBrowserTest::SetUp() {
+  DCHECK(!content::GetContentClient());
+  content_client_.reset(new TestContentClient);
+  content::SetContentClient(content_client_.get());
+
+  content_browser_client_.reset(new content::MockContentBrowserClient());
+  content_client_->set_browser(content_browser_client_.get());
+
+  BrowserTestBase::SetUp();
+}
+
+void ContentBrowserTest::TearDown() {
+  BrowserTestBase::TearDown();
+
+  DCHECK_EQ(content_client_.get(), content::GetContentClient());
+  content::SetContentClient(NULL);
+  content_client_.reset();
+
+  content_browser_client_.reset();
+}
+
+#if defined(OS_POSIX)
+// On SIGTERM (sent by the runner on timeouts), dump a stack trace (to make
+// debugging easier) and also exit with a known error code (so that the test
+// framework considers this a failure -- http://crbug.com/57578).
+static void DumpStackTraceSignalHandler(int signal) {
+  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)
+
+  // 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;
+
+  // Pump startup related events.
+  MessageLoopForUI::current()->RunAllPending();
+  pool.Recycle();
+
+  RunTestOnMainThread();
+  pool.Recycle();
+
+  MessageLoopForUI::current()->Quit();
+  pool.Recycle();
+}