Implement interfaces in PaintInfo and make it a class.

Source/core/platform/graphics/GraphicsContextAnnotation.cpp

 /*
  * Copyright (C) 2013 Google Inc. All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions are
  * met:
  *
  *     * Redistributions of source code must retain the above copyright
  * notice, this list of conditions and the following disclaimer.
  *     * Redistributions in binary form must reproduce the above
@@ skipping 64 matching lines @@
     default:
         ASSERT_NOT_REACHED();
         return "<unknown>";
     }
 }
 
 }
 
 namespace WebCore {
 
-GraphicsContextAnnotation::GraphicsContextAnnotation(const PaintInfo& paintInfo, const RenderObject* object)
+GraphicsContextAnnotation::GraphicsContextAnnotation(PaintInfo& paintInfo, const RenderObject* object)
     : m_rendererName(0)
     , m_paintPhase(0)
 {
-    ASSERT(paintInfo.context);
+    ASSERT(paintInfo.getContext());
     ASSERT(object);
 
-    AnnotationModeFlags mode = paintInfo.context->annotationMode();
+    AnnotationModeFlags mode = paintInfo.getContext()->annotationMode();
     Element* element = object->node() && object->node()->isElementNode() ? toElement(object->node()) : 0;
 
     if (mode & AnnotateRendererName)
         m_rendererName = object->renderName();
 
     if (mode & AnnotatePaintPhase)
-        m_paintPhase = paintPhaseName(paintInfo.phase);
+        m_paintPhase = paintPhaseName(paintInfo.getPhase());
 
     if ((mode & AnnotateElementId) && element) {
         const AtomicString id = element->getIdAttribute();
         if (!id.isNull() && !id.isEmpty())
             m_elementId = id.string();
     }
 
     if ((mode & AnnotateElementClass) && element && element->hasClass()) {
         SpaceSplitString classes = element->classNames();
         if (!classes.isNull() && classes.size() > 0) {
@@ skipping 25 matching lines @@
     if (!m_elementId.isEmpty())
         list.append(std::make_pair(AnnotationKeyElementId, m_elementId));
 
     if (!m_elementClass.isEmpty())
         list.append(std::make_pair(AnnotationKeyElementClass, m_elementClass));
 
     if (!m_elementTag.isEmpty())
         list.append(std::make_pair(AnnotationKeyElementTag, m_elementTag));
 }
 
-void GraphicsContextAnnotator::annotate(const PaintInfo& paintInfo, const RenderObject* object)
+void GraphicsContextAnnotator::annotate(PaintInfo& paintInfo, const RenderObject* object)
 {
     ASSERT(!m_context);
 
-    m_context = paintInfo.context;
+    m_context = paintInfo.getContext();
     m_context->beginAnnotation(GraphicsContextAnnotation(paintInfo, object));
 }
 
 void GraphicsContextAnnotator::finishAnnotation()
 {
     ASSERT(m_context);
     m_context->endAnnotation();
 }
 
 }