Implement interfaces in PaintInfo and make it a class.

Source/core/rendering/RenderInputSpeech.cpp

 /*
  * Copyright (C) 2010 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 35 matching lines @@
 
 void RenderInputSpeech::adjustInputFieldSpeechButtonStyle(RenderStyle* style, Element*)
 {
     // Scale the button size based on the font size.
     float fontScale = style->fontSize() / defaultControlFontPixelSize;
     int speechButtonSize = lroundf(std::min(std::max(minSpeechButtonSize, defaultSpeechButtonSize * fontScale), maxSpeechButtonSize));
     style->setWidth(Length(speechButtonSize, Fixed));
     style->setHeight(Length(speechButtonSize, Fixed));
 }
 
-bool RenderInputSpeech::paintInputFieldSpeechButton(RenderObject* object, const PaintInfo& paintInfo, const IntRect& rect)
+bool RenderInputSpeech::paintInputFieldSpeechButton(RenderObject* object, PaintInfo& paintInfo, const IntRect& rect)
 {
     Element* element = object->node()->isElementNode() ? toElement(object->node()) : 0;
     if (!element || !element->isInputFieldSpeechButtonElement())
         return false;
 
     // Get the renderer of <input> element.
     Node* input = object->node()->shadowHost();
     if (!input->renderer()->isBox())
         return false;
     RenderBox* inputRenderBox = toRenderBox(input->renderer());
@@ skipping 18 matching lines @@
     DEFINE_STATIC_LOCAL(RefPtr<Image>, imageStateNormal, (Image::loadPlatformResource("inputSpeech")));
     DEFINE_STATIC_LOCAL(RefPtr<Image>, imageStateRecording, (Image::loadPlatformResource("inputSpeechRecording")));
     DEFINE_STATIC_LOCAL(RefPtr<Image>, imageStateWaiting, (Image::loadPlatformResource("inputSpeechWaiting")));
 
     InputFieldSpeechButtonElement* speechButton = toInputFieldSpeechButtonElement(element);
     Image* image = imageStateNormal.get();
     if (speechButton->state() == InputFieldSpeechButtonElement::Recording)
         image = imageStateRecording.get();
     else if (speechButton->state() == InputFieldSpeechButtonElement::Recognizing)
         image = imageStateWaiting.get();
-    paintInfo.context->drawImage(image, pixelSnappedIntRect(buttonRect));
+    paintInfo.getContext()->drawImage(image, pixelSnappedIntRect(buttonRect));
 
     return false;
 }
 
 } // namespace WebCore
 
 #endif // ENABLE(INPUT_SPEECH)