Clean up transform methods in GraphicsContext.

Source/core/rendering/RenderThemeChromiumDefault.cpp

 /*
  * Copyright (C) 2007 Apple Inc.
  * Copyright (C) 2007 Alp Toker <alp@atoker.com>
  * Copyright (C) 2008 Collabora Ltd.
  * Copyright (C) 2008, 2009 Google Inc.
  * Copyright (C) 2009 Kenneth Rohde Christiansen
  *
  * This library is free software; you can redistribute it and/or
  * modify it under the terms of the GNU Library General Public
  * License as published by the Free Software Foundation; either
@@ skipping 241 matching lines @@
     extraParams.button.indeterminate = isIndeterminate(o);
 
     float zoomLevel = o->style()->effectiveZoom();
     GraphicsContextStateSaver stateSaver(*i.context, false);
     IntRect unzoomedRect = rect;
     if (zoomLevel != 1) {
         stateSaver.save();
         unzoomedRect.setWidth(unzoomedRect.width() / zoomLevel);
         unzoomedRect.setHeight(unzoomedRect.height() / zoomLevel);
         i.context->translate(unzoomedRect.x(), unzoomedRect.y());
-        i.context->scale(FloatSize(zoomLevel, zoomLevel));
+        i.context->scale(zoomLevel, zoomLevel);
         i.context->translate(-unzoomedRect.x(), -unzoomedRect.y());
     }
 
     blink::Platform::current()->themeEngine()->paint(canvas, blink::WebThemeEngine::PartCheckbox, getWebThemeState(this, o), blink::WebRect(unzoomedRect), &extraParams);
     return false;
 }
 
 void RenderThemeChromiumDefault::setCheckboxSize(RenderStyle* style) const
 {
     // If the width and height are both specified, then we have nothing to do.
@@ skipping 162 matching lines @@
 
     // FIXME: Mock theme doesn't handle zoomed sliders.
     float zoomLevel = useMockTheme() ? 1 : o->style()->effectiveZoom();
     GraphicsContextStateSaver stateSaver(*i.context, false);
     IntRect unzoomedRect = rect;
     if (zoomLevel != 1) {
         stateSaver.save();
         unzoomedRect.setWidth(unzoomedRect.width() / zoomLevel);
         unzoomedRect.setHeight(unzoomedRect.height() / zoomLevel);
         i.context->translate(unzoomedRect.x(), unzoomedRect.y());
-        i.context->scale(FloatSize(zoomLevel, zoomLevel));
+        i.context->scale(zoomLevel, zoomLevel);
         i.context->translate(-unzoomedRect.x(), -unzoomedRect.y());
     }
 
     blink::Platform::current()->themeEngine()->paint(canvas, blink::WebThemeEngine::PartSliderTrack, getWebThemeState(this, o), blink::WebRect(unzoomedRect), &extraParams);
 
     return false;
 }
 
 bool RenderThemeChromiumDefault::paintSliderThumb(RenderObject* o, const PaintInfo& i, const IntRect& rect)
 {
     if (i.context->paintingDisabled())
         return false;
     blink::WebThemeEngine::ExtraParams extraParams;
     blink::WebCanvas* canvas = i.context->canvas();
     extraParams.slider.vertical = o->style()->appearance() == SliderThumbVerticalPart;
     extraParams.slider.inDrag = isPressed(o);
 
     // FIXME: Mock theme doesn't handle zoomed sliders.
     float zoomLevel = useMockTheme() ? 1 : o->style()->effectiveZoom();
     GraphicsContextStateSaver stateSaver(*i.context, false);
     IntRect unzoomedRect = rect;
     if (zoomLevel != 1) {
         stateSaver.save();
         unzoomedRect.setWidth(unzoomedRect.width() / zoomLevel);
         unzoomedRect.setHeight(unzoomedRect.height() / zoomLevel);
         i.context->translate(unzoomedRect.x(), unzoomedRect.y());
-        i.context->scale(FloatSize(zoomLevel, zoomLevel));
+        i.context->scale(zoomLevel, zoomLevel);
         i.context->translate(-unzoomedRect.x(), -unzoomedRect.y());
     }
 
     blink::Platform::current()->themeEngine()->paint(canvas, blink::WebThemeEngine::PartSliderThumb, getWebThemeState(this, o), blink::WebRect(unzoomedRect), &extraParams);
     return false;
 }
 
 void RenderThemeChromiumDefault::adjustInnerSpinButtonStyle(RenderStyle* style, Element*) const
 {
     IntSize size = blink::Platform::current()->themeEngine()->getSize(blink::WebThemeEngine::PartInnerSpinButton);
@@ skipping 48 matching lines @@
     if (useMockTheme()) {
         // The mock theme can't handle zoomed controls, so we fall back to the "fallback" theme.
         ControlPart part = style->appearance();
         if (part == CheckboxPart || part == RadioPart)
             return style->effectiveZoom() != 1;
     }
     return RenderTheme::shouldUseFallbackTheme(style);
 }
 
 } // namespace WebCore