Replace ASSERT, ENABLE(ASSERT), and ASSERT_NOT_REACHED in wtf

third_party/WebKit/Source/modules/offscreencanvas2d/OffscreenCanvasRenderingContext2D.cpp

 // Copyright 2016 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/offscreencanvas2d/OffscreenCanvasRenderingContext2D.h"
 
 #include "bindings/modules/v8/OffscreenCanvasRenderingContext2DOrWebGLRenderingContextOrWebGL2RenderingContext.h"
 #include "core/frame/ImageBitmap.h"
 #include "core/frame/Settings.h"
 #include "core/workers/WorkerGlobalScope.h"
 #include "core/workers/WorkerSettings.h"
 #include "platform/graphics/ImageBuffer.h"
 #include "platform/graphics/StaticBitmapImage.h"
 #include "platform/graphics/UnacceleratedImageBufferSurface.h"
 #include "platform/graphics/gpu/AcceleratedImageBufferSurface.h"
 #include "wtf/Assertions.h"
 #include "wtf/CurrentTime.h"
 
-#define UNIMPLEMENTED ASSERT_NOT_REACHED
-
 namespace blink {
 
 OffscreenCanvasRenderingContext2D::~OffscreenCanvasRenderingContext2D() {}
 
 OffscreenCanvasRenderingContext2D::OffscreenCanvasRenderingContext2D(
     ScriptState* scriptState,
     OffscreenCanvas* canvas,
     const CanvasContextCreationAttributes& attrs)
     : CanvasRenderingContext(nullptr, canvas, attrs) {
   ExecutionContext* executionContext = scriptState->getExecutionContext();
@@ skipping 220 matching lines @@
 }
 
 bool OffscreenCanvasRenderingContext2D::isContextLost() const {
   return false;
 }
 
 bool OffscreenCanvasRenderingContext2D::isPaintable() const {
   return this->imageBuffer();
 }
 }