ChromeOS default switches cleanup - switches::kEnableThreadedCompositing and switches::kEnableSmoot…

content/browser/gpu/compositor_util.cc

Index: content/browser/gpu/compositor_util.cc
diff --git a/content/browser/gpu/compositor_util.cc b/content/browser/gpu/compositor_util.cc
index 962821562851e53a68edb40a8c98b37c900ced3f..9e679b087512bf24d5d072dc128a213ce49858ef 100644
--- a/content/browser/gpu/compositor_util.cc
+++ b/content/browser/gpu/compositor_util.cc
@@ -61,6 +61,12 @@ bool IsThreadedCompositingEnabled() {
       command_line.HasSwitch(switches::kDisableThreadedCompositing))
     return false;
 
+#if defined(OS_CHROMEOS)
+  // We always want threaded compositing on  ChromeOS unless it's explicitly
+  // disabled above.
+  return true;
+#endif
+
   if (command_line.HasSwitch(switches::kEnableThreadedCompositing))
     return true;
 
@@ -88,6 +94,11 @@ bool IsForceCompositingModeEnabled() {
   if (command_line.HasSwitch(switches::kDisableForceCompositingMode))
     return false;
 
+#if defined(OS_CHROMEOS)
+  // We always want compositing ChromeOS unless it's explicitly disabled above.
+  return true;
+#endif
+
   if (command_line.HasSwitch(switches::kForceCompositingMode))
     return true;