Remove unsafe mode to enable es3 api by default for WebGL2 and ES3 context

content/browser/renderer_host/render_process_host_impl.cc

 // Copyright 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.
 
 // Represents the browser side of the browser <--> renderer communication
 // channel. There will be one RenderProcessHost per renderer process.
 
 #include "content/browser/renderer_host/render_process_host_impl.h"
 
 #include <algorithm>
@@ skipping 1665 matching lines @@
     switches::kEnablePluginPlaceholderTesting,
     switches::kEnablePreciseMemoryInfo,
     switches::kEnablePreferCompositingToLCDText,
     switches::kEnableRGBA4444Textures,
     switches::kEnableSkiaBenchmarking,
     switches::kEnableSlimmingPaintV2,
     switches::kEnableSmoothScrolling,
     switches::kEnableStatsTable,
     switches::kEnableThreadedCompositing,
     switches::kEnableTouchDragDrop,
-    switches::kEnableUnsafeES3APIs,
     switches::kEnableUseZoomForDSF,
     switches::kEnableViewport,
     switches::kEnableVp9InMp4,
     switches::kEnableVtune,
     switches::kEnableWebBluetooth,
     switches::kEnableWebFontsInterventionTrigger,
     switches::kEnableWebFontsInterventionV2,
     switches::kEnableWebGLDraftExtensions,
     switches::kEnableWebGLImageChromium,
     switches::kEnableWebVR,
@@ skipping 1286 matching lines @@
   bad_message::ReceivedBadMessage(render_process_id,
                                   bad_message::RPH_MOJO_PROCESS_ERROR);
 }
 
 void RenderProcessHostImpl::CreateURLLoaderFactory(
     mojo::InterfaceRequest<mojom::URLLoaderFactory> request) {
   URLLoaderFactoryImpl::Create(resource_message_filter_, std::move(request));
 }
 
 }  // namespace content