Revert of gpu: GPU service scheduler.

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 c37a3cdc8c61ada460208bae0e259a8223173233..e1b50f9b43f6c41286382e32272ed96e56d1a1c0 100644
--- a/content/public/common/content_switches.cc
+++ b/content/public/common/content_switches.cc
@@ -173,9 +173,6 @@
 
 // Disable the GPU process sandbox.
 const char kDisableGpuSandbox[]             = "disable-gpu-sandbox";
-
-// Disable GPU service scheduler.
-const char kDisableGpuScheduler[] = "disable-gpu-scheduler";
 
 // Suppresses hang monitor dialogs in renderer processes.  This may allow slow
 // unload handlers on a page to prevent the tab from closing, but the Task
@@ -392,9 +389,6 @@
 const char kEnableWebFontsInterventionV2SwitchValueEnabledWithSlow2G[] =
     "enabled-slow2g";
 const char kEnableWebFontsInterventionV2SwitchValueDisabled[] = "disabled";
-
-// Enables GPU channel scheduler.
-const char kEnableGpuScheduler[] = "enable-gpu-scheduler";
 
 // Makes the GL worker context run asynchronously by using a separate stream.
 const char kEnableGpuAsyncWorkerContext[] = "enable-gpu-async-worker-context";