Combine outline and focus ring code paths

Source/core/paint/ImagePainter.cpp

 // Copyright 2014 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 "config.h"
 #include "core/paint/ImagePainter.h"
 
 #include "core/dom/Document.h"
 #include "core/dom/Element.h"
 #include "core/editing/FrameSelection.h"
@@ skipping 15 matching lines @@
 void ImagePainter::paint(const PaintInfo& paintInfo, const LayoutPoint& paintOffset)
 {
     m_layoutImage.LayoutReplaced::paint(paintInfo, paintOffset);
 
     if (paintInfo.phase == PaintPhaseOutline)
         paintAreaElementFocusRing(paintInfo);
 }
 
 void ImagePainter::paintAreaElementFocusRing(const PaintInfo& paintInfo)
 {
+    // TODO(wangxianzhu): In other places, we just paint focus ring if outline style is auto.
+    // We should also do that here to keep consistency.
     Document& document = m_layoutImage.document();
 
     if (paintInfo.isPrinting() || !document.frame()->selection().isFocusedAndActive())
         return;
 
     Element* focusedElement = document.focusedElement();
     if (!isHTMLAreaElement(focusedElement))
         return;
 
     HTMLAreaElement& areaElement = toHTMLAreaElement(*focusedElement);
@@ skipping 91 matching lines @@
 
     TRACE_EVENT1(TRACE_DISABLED_BY_DEFAULT("devtools.timeline"), "PaintImage", "data", InspectorPaintImageEvent::data(m_layoutImage));
 
     InterpolationQuality previousInterpolationQuality = context->imageInterpolationQuality();
     context->setImageInterpolationQuality(interpolationQuality);
     context->drawImage(image.get(), alignedRect, SkXfermode::kSrcOver_Mode, m_layoutImage.shouldRespectImageOrientation());
     context->setImageInterpolationQuality(previousInterpolationQuality);
 }
 
 } // namespace blink