Enable GPU acceleration in 2D OffscreenCanvases on main thread

content/renderer/render_view_impl.cc

 // Copyright (c) 2012 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "content/renderer/render_view_impl.h"
 
 #include <algorithm>
 #include <cmath>
 #include <memory>
 
@@ skipping 956 matching lines @@
   settings->setExperimentalWebGLEnabled(prefs.experimental_webgl_enabled);
 
   // Enable WebGL errors to the JS console if requested.
   settings->setWebGLErrorsToConsoleEnabled(
       prefs.webgl_errors_to_console_enabled);
 
   // Uses the mock theme engine for scrollbars.
   settings->setMockScrollbarsEnabled(prefs.mock_scrollbars_enabled);
 
   // Enable gpu-accelerated 2d canvas if requested on the command line.
-  settings->setAccelerated2dCanvasEnabled(prefs.accelerated_2d_canvas_enabled);
+  WebRuntimeFeatures::enableAccelerated2dCanvas(
+      prefs.accelerated_2d_canvas_enabled);
 
   settings->setMinimumAccelerated2dCanvasSize(
       prefs.minimum_accelerated_2d_canvas_size);
 
   // Disable antialiasing for 2d canvas if requested on the command line.
   settings->setAntialiased2dCanvasEnabled(
       !prefs.antialiased_2d_canvas_disabled);
   WebRuntimeFeatures::forceDisable2dCanvasCopyOnWrite(
       prefs.disable_2d_canvas_copy_on_write);
 
@@ skipping 2093 matching lines @@
         return render_frame->focused_pepper_plugin();
     }
     frame = frame->traverseNext(false);
   }
 
   return nullptr;
 }
 #endif
 
 }  // namespace content