cc: Add command line for frame production throttle

ui/gl/gl_switches.cc

Index: ui/gl/gl_switches.cc
diff --git a/ui/gl/gl_switches.cc b/ui/gl/gl_switches.cc
index 4ac132843d4621d223ffe0e9a21e906aa3015142..1a4dd8abef7467712ed33e401ccd418b375f353d 100644
--- a/ui/gl/gl_switches.cc
+++ b/ui/gl/gl_switches.cc
@@ -31,6 +31,11 @@ const char kDisableD3D11[]                  = "disable-d3d11";
 // Stop the GPU from synchronizing on the vsync before presenting.
 const char kDisableGpuVsync[]               = "disable-gpu-vsync";
 
+// This flag is similar to kDisableGpuVsync but it is needed
+// for the decoupling "disable gpu vsync" and "throttle frame production".
+// It is effective only for disabling gpu vsync.
+const char kDisableDisplayVsync[]           = "disable-display-vsync";
+
 // Turns on GPU logging (debug build only).
 const char kEnableGPUServiceLogging[]       = "enable-gpu-service-logging";