Cleaning up compositing field trial code and enable FCM in beta/stable

content/public/common/compositor_util.h

Index: content/public/common/compositor_util.h
diff --git a/content/public/common/compositor_util.h b/content/public/common/compositor_util.h
new file mode 100644
index 0000000000000000000000000000000000000000..4451b43f156ffca8a1e77836a18388df67cc4f01
--- /dev/null
+++ b/content/public/common/compositor_util.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.
+
+#ifndef CONTENT_PUBLIC_COMMON_COMPOSITOR_UTIL_H_
+#define CONTENT_PUBLIC_COMMON_COMPOSITOR_UTIL_H_
+
+#include "content/common/content_export.h"
+
+namespace content {
+
+// Returns true if the threaded compositor is on (via flags or field trial).
+CONTENT_EXPORT bool IsThreadedCompositingEnabled();
+
+// Returns true if force-compositing-mode is on (via flags or field trial).
+CONTENT_EXPORT bool IsForceCompositingModeEnabled();
+
+}  // namespace content
+
+#endif  // CONTENT_PUBLIC_COMMON_COMPOSITOR_UTIL_H_