Use Surfaces on Windows, Linux, and Mac OS

content/public/common/content_switches.cc

Index: content/public/common/content_switches.cc
diff --git a/content/public/common/content_switches.cc b/content/public/common/content_switches.cc
index 0afe84668ed92ddd010d25c82b9e6c81c870b6cc..3912f1363a6a3f6e9d87d05f04c1fe3dabe7b588 100644
--- a/content/public/common/content_switches.cc
+++ b/content/public/common/content_switches.cc
@@ -855,6 +855,9 @@ const char kUseMobileUserAgent[] = "use-mobile-user-agent";
 // Use the new surfaces system to handle compositor delegation.
 const char kUseSurfaces[] = "use-surfaces";
 
+// Disable the use of the new surfaces system to handle compositor delegation.
+const char kDisableSurfaces[] = "disable-surfaces";
+
 // On POSIX only: the contents of this flag are prepended to the utility
 // process command line. Useful values might be "valgrind" or "xterm -e gdb
 // --args".