Remove runtime flag 'UnsafeES3APIs' from blink webgl

third_party/WebKit/Source/modules/webgl/WebGL2RenderingContext.cpp

 // Copyright 2015 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 "modules/webgl/WebGL2RenderingContext.h"
 
 #include "bindings/modules/v8/OffscreenCanvasRenderingContext2DOrWebGLRenderingContextOrWebGL2RenderingContext.h"
 #include "bindings/modules/v8/RenderingContext.h"
 #include "core/frame/LocalFrame.h"
 #include "core/frame/Settings.h"
@@ skipping 20 matching lines @@
 #include "public/platform/Platform.h"
 #include "public/platform/WebGraphicsContext3DProvider.h"
 #include <memory>
 
 namespace blink {
 
 CanvasRenderingContext* WebGL2RenderingContext::Factory::create(
     HTMLCanvasElement* canvas,
     const CanvasContextCreationAttributes& attrs,
     Document&) {
-  if (!RuntimeEnabledFeatures::unsafeES3APIsEnabled()) {
+  std::unique_ptr<WebGraphicsContext3DProvider> contextProvider(
+      createWebGraphicsContext3DProvider(canvas, attrs, 2));
+  if (!contextProvider) {
     canvas->dispatchEvent(WebGLContextEvent::create(
         EventTypeNames::webglcontextcreationerror, false, true,
-        "Creation of WebGL2 contexts disabled."));
+        "Failed to create a WebGL2 context."));
     return nullptr;
   }
-
-  std::unique_ptr<WebGraphicsContext3DProvider> contextProvider(
-      createWebGraphicsContext3DProvider(canvas, attrs, 2));
-  if (!contextProvider)
-    return nullptr;
   gpu::gles2::GLES2Interface* gl = contextProvider->contextGL();
   std::unique_ptr<Extensions3DUtil> extensionsUtil =
       Extensions3DUtil::create(gl);
   if (!extensionsUtil)
     return nullptr;
   if (extensionsUtil->supportsExtension("GL_EXT_debug_marker")) {
     String contextLabel(
         String::format("WebGL2RenderingContext-%p", contextProvider.get()));
     gl->PushGroupMarkerEXT(0, contextLabel.ascii().data());
   }
@@ skipping 99 matching lines @@
   visitor->traceWrappers(m_webglCompressedTexturePVRTC);
   visitor->traceWrappers(m_webglCompressedTextureS3TC);
   visitor->traceWrappers(m_webglCompressedTextureS3TCsRGB);
   visitor->traceWrappers(m_webglDebugRendererInfo);
   visitor->traceWrappers(m_webglDebugShaders);
   visitor->traceWrappers(m_webglLoseContext);
   WebGL2RenderingContextBase::traceWrappers(visitor);
 }
 
 }  // namespace blink