Use Surfaces on Windows, Linux, and Mac OS (try #6)

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 3b7d13b582e0b5b1434177dd0d0365048667165b..8d9bd67c5f1b93840f832d01edac53669d8492ca 100644
--- a/content/public/common/content_switches.cc
+++ b/content/public/common/content_switches.cc
@@ -844,6 +844,9 @@ const char kUseNormalPriorityForTileTaskWorkerThreads[] =
 // 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";
+
 // The contents of this flag are prepended to the utility process command line.
 // Useful values might be "valgrind" or "xterm -e gdb --args".
 const char kUtilityCmdPrefix[]              = "utility-cmd-prefix";