Introduce Element::AttributeModificationParams

third_party/WebKit/Source/core/html/HTMLCanvasElement.cpp

 /*
  * Copyright (C) 2004, 2006, 2007 Apple Inc. All rights reserved.
  * Copyright (C) 2007 Alp Toker <alp@atoker.com>
  * Copyright (C) 2010 Torch Mobile (Beijing) Co. Ltd. All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions
  * are met:
  * 1. Redistributions of source code must retain the above copyright
  *    notice, this list of conditions and the following disclaimer.
@@ skipping 146 matching lines @@
     m_context->detachCanvas();
     m_context = nullptr;
   }
 
   if (m_imageBuffer) {
     m_imageBuffer->setClient(nullptr);
     m_imageBuffer = nullptr;
   }
 }
 
-void HTMLCanvasElement::parseAttribute(const QualifiedName& name,
-                                       const AtomicString& oldValue,
-                                       const AtomicString& value) {
-  if (name == widthAttr || name == heightAttr)
+void HTMLCanvasElement::parseAttribute(
+    const AttributeModificationParams& params) {
+  if (params.name == widthAttr || params.name == heightAttr)
     reset();
-  HTMLElement::parseAttribute(name, oldValue, value);
+  HTMLElement::parseAttribute(params);
 }
 
 LayoutObject* HTMLCanvasElement::createLayoutObject(
     const ComputedStyle& style) {
   LocalFrame* frame = document().frame();
   if (frame && frame->script().canExecuteScripts(NotAboutToExecuteScript))
     return new LayoutHTMLCanvas(this);
   return HTMLElement::createLayoutObject(style);
 }
 
@@ skipping 1231 matching lines @@
   m_surfaceLayerBridge = WTF::wrapUnique(new CanvasSurfaceLayerBridge(this));
   // Creates a placeholder layer first before Surface is created.
   m_surfaceLayerBridge->createSolidColorLayer();
 }
 
 void HTMLCanvasElement::OnWebLayerReplaced() {
   setNeedsCompositingUpdate();
 }
 
 }  // namespace blink