Merge gpu_switching_list into gpu_driver_bug_list.

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 6addfe126fc8d21ffd249ab609fb9ab6cb6a2bc4..5ac514878b431da28c0cec136ff60b5f1dbb8a64 100644
--- a/ui/gl/gl_switches.cc
+++ b/ui/gl/gl_switches.cc
@@ -62,7 +62,6 @@ const char kGpuSwitching[]                  = "gpu-switching";
 
 const char kGpuSwitchingOptionNameForceIntegrated[] = "force_integrated";
 const char kGpuSwitchingOptionNameForceDiscrete[]   = "force_discrete";
-const char kGpuSwitchingOptionNameAutomatic[]   = "automatic";
 
 // Flag used for Linux tests: for desktop GL bindings, try to load this GL
 // library first, but fall back to regular library if loading fails.
@@ -78,7 +77,6 @@ const char* kGLSwitchesCopiedFromGpuProcessHost[] = {
   kEnableGPUServiceLogging,
   kEnableGPUServiceTracing,
   kGpuNoContextLost,
-  kGpuSwitching,
 };
 const int kGLSwitchesCopiedFromGpuProcessHostNumSwitches =
     arraysize(kGLSwitchesCopiedFromGpuProcessHost);