Turn on enable begin frame scheduling by default

content/browser/compositor/browser_compositor_output_surface.cc

Index: content/browser/compositor/browser_compositor_output_surface.cc
diff --git a/content/browser/compositor/browser_compositor_output_surface.cc b/content/browser/compositor/browser_compositor_output_surface.cc
index b5fbbcf6eb6f04b87ecba1107267c7bb05c2a384..bf6aef13b92f2a1edf4b6144e8c35e15b3b38e90 100644
--- a/content/browser/compositor/browser_compositor_output_surface.cc
+++ b/content/browser/compositor/browser_compositor_output_surface.cc
@@ -31,8 +31,8 @@ BrowserCompositorOutputSurface::BrowserCompositorOutputSurface(
       synthetic_begin_frame_source_(begin_frame_source),
       reflector_(nullptr),
       use_begin_frame_scheduling_(
-          base::CommandLine::ForCurrentProcess()->HasSwitch(
-              cc::switches::kEnableBeginFrameScheduling)) {
+          !base::CommandLine::ForCurrentProcess()->HasSwitch(
+              cc::switches::kDisableBeginFrameScheduling)) {
   overlay_candidate_validator_ = std::move(overlay_candidate_validator);
   Initialize();
 }
@@ -46,8 +46,8 @@ BrowserCompositorOutputSurface::BrowserCompositorOutputSurface(
       synthetic_begin_frame_source_(begin_frame_source),
       reflector_(nullptr),
       use_begin_frame_scheduling_(
-          base::CommandLine::ForCurrentProcess()->HasSwitch(
-              cc::switches::kEnableBeginFrameScheduling)) {
+          !base::CommandLine::ForCurrentProcess()->HasSwitch(
+              cc::switches::kDisableBeginFrameScheduling)) {
   Initialize();
 }