Remove disable deferral for low end devices

TBR=juanmihd

Bug: 959357
Change-Id: I3ede3d8af716a8578f6a34b7d653c02f5a9ce4ea
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/1689155
Reviewed-by: Fernando Serboncini <fserb@chromium.org>
Commit-Queue: Fernando Serboncini <fserb@chromium.org>
Auto-Submit: Fernando Serboncini <fserb@chromium.org>
Cr-Commit-Position: refs/heads/master@{#675048}
diff --git a/third_party/blink/renderer/core/html/canvas/html_canvas_element.cc b/third_party/blink/renderer/core/html/canvas/html_canvas_element.cc
index 3df825d5..7d7446f 100644
--- a/third_party/blink/renderer/core/html/canvas/html_canvas_element.cc
+++ b/third_party/blink/renderer/core/html/canvas/html_canvas_element.cc
@@ -1089,9 +1089,6 @@
   if (!surface->IsValid())
     return nullptr;
 
-  if (MemoryPressureListenerRegistry::IsLowEndDevice())
-    surface->DisableDeferral(kDisableDeferralReasonLowEndDevice);
-
   return surface;
 }
 
diff --git a/third_party/blink/renderer/platform/graphics/graphics_types.h b/third_party/blink/renderer/platform/graphics/graphics_types.h
index 9ff349d..16e536342 100644
--- a/third_party/blink/renderer/platform/graphics/graphics_types.h
+++ b/third_party/blink/renderer/platform/graphics/graphics_types.h
@@ -128,7 +128,6 @@
 enum DisableDeferralReason {
   kDisableDeferralReasonUnknown =
       0,  // Should not appear in production histograms
-  kDisableDeferralReasonLowEndDevice = 7,
   kDisableDeferralReasonCount,
 };