Expose GLES2Interface to blink, and delete isContextLost() from WGC3D.

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/UnionTypesModules.h"
 #include "core/frame/LocalFrame.h"
 #include "core/frame/Settings.h"
 #include "core/loader/FrameLoader.h"
@@ skipping 22 matching lines @@
 {
     if (!RuntimeEnabledFeatures::unsafeES3APIsEnabled()) {
         canvas->dispatchEvent(WebGLContextEvent::create(EventTypeNames::webglcontextcreationerror, false, true, "Creation of WebGL2 contexts disabled."));
         return nullptr;
     }
 
     WebGLContextAttributes attributes = toWebGLContextAttributes(attrs);
     OwnPtr<WebGraphicsContext3D> context(createWebGraphicsContext3D(canvas, attributes, 2));
     if (!context)
         return nullptr;
-    OwnPtr<Extensions3DUtil> extensionsUtil = Extensions3DUtil::create(context.get());
+    OwnPtr<Extensions3DUtil> extensionsUtil = Extensions3DUtil::create(context.get(), context->getGLES2Interface());
     if (!extensionsUtil)
         return nullptr;
     if (extensionsUtil->supportsExtension("GL_EXT_debug_marker")) {
         String contextLabel(String::format("WebGL2RenderingContext-%p", context.get()));
         context->pushGroupMarkerEXT(contextLabel.ascii().data());
     }
 
     OwnPtrWillBeRawPtr<WebGL2RenderingContext> renderingContext = adoptPtrWillBeNoop(new WebGL2RenderingContext(canvas, context.release(), attributes));
 
     if (!renderingContext->drawingBuffer()) {
@@ skipping 57 matching lines @@
     visitor->trace(m_webglCompressedTextureETC1);
     visitor->trace(m_webglCompressedTexturePVRTC);
     visitor->trace(m_webglCompressedTextureS3TC);
     visitor->trace(m_webglDebugRendererInfo);
     visitor->trace(m_webglDebugShaders);
     visitor->trace(m_webglLoseContext);
     WebGL2RenderingContextBase::trace(visitor);
 }
 
 } // namespace blink