Enable ANGLE ES3 by default in Chromium (Windows)

ui/gl/gl_context_egl.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 "ui/gl/gl_context_egl.h"
 
 #include <memory>
 
 #include "base/command_line.h"
 #include "base/logging.h"
@@ skipping 34 matching lines @@
 
   EGLint config_renderable_type = 0;
   if (!eglGetConfigAttrib(display_, config_, EGL_RENDERABLE_TYPE,
                           &config_renderable_type)) {
     LOG(ERROR) << "eglGetConfigAttrib failed with error "
                << GetLastEGLErrorString();
     return false;
   }
 
   EGLint context_client_version = 2;
-  if (base::CommandLine::ForCurrentProcess()->HasSwitch(
-          switches::kEnableUnsafeES3APIs) &&
-      (config_renderable_type & EGL_OPENGL_ES3_BIT) != 0) {
+  if ((config_renderable_type & EGL_OPENGL_ES3_BIT) != 0 &&
+      !base::CommandLine::ForCurrentProcess()->HasSwitch(
+          switches::kDisableES3GLContext)) {
     context_client_version = 3;
   }
 
   const EGLint kContextAttributes[] = {
     EGL_CONTEXT_CLIENT_VERSION, context_client_version,
     EGL_NONE
   };
   const EGLint kContextRobustnessAttributes[] = {
     EGL_CONTEXT_CLIENT_VERSION, context_client_version,
     EGL_CONTEXT_OPENGL_RESET_NOTIFICATION_STRATEGY_EXT,
@@ skipping 11 matching lines @@
     DVLOG(1) << "EGL_EXT_create_context_robustness NOT supported.";
     context_attributes = kContextAttributes;
   }
 
   if (!eglBindAPI(EGL_OPENGL_ES_API)) {
     LOG(ERROR) << "eglBindApi failed with error "
                << GetLastEGLErrorString();
     return false;
   }
 
-
   context_ = eglCreateContext(
       display_,
       config_,
       share_group() ? share_group()->GetHandle() : nullptr,
       context_attributes);
 
   if (!context_) {
     LOG(ERROR) << "eglCreateContext failed with error "
                << GetLastEGLErrorString();
     return false;
@@ skipping 124 matching lines @@
 
 bool GLContextEGL::WasAllocatedUsingRobustnessExtension() {
   return GLSurfaceEGL::IsCreateContextRobustnessSupported();
 }
 
 GLContextEGL::~GLContextEGL() {
   Destroy();
 }
 
 }  // namespace gl