Implement drawFocusIfNeeded with Path2D parameter.

Source/core/html/canvas/CanvasRenderingContext2D.cpp

Index: Source/core/html/canvas/CanvasRenderingContext2D.cpp
diff --git a/Source/core/html/canvas/CanvasRenderingContext2D.cpp b/Source/core/html/canvas/CanvasRenderingContext2D.cpp
index 3529068fc8eb02e2a53845a328a82edda2395576..d408b49cf8a96242e77843f4fcb9afc5f1498fe8 100644
--- a/Source/core/html/canvas/CanvasRenderingContext2D.cpp
+++ b/Source/core/html/canvas/CanvasRenderingContext2D.cpp
@@ -2319,15 +2319,25 @@ PassRefPtr<Canvas2DContextAttributes> CanvasRenderingContext2D::getContextAttrib
 
 void CanvasRenderingContext2D::drawFocusIfNeeded(Element* element)
 {
-    if (!focusRingCallIsValid(m_path, element))
+    drawFocusIfNeededInternal(m_path, element);
+}
+
+void CanvasRenderingContext2D::drawFocusIfNeeded(Path2D* path2d, Element* element)
+{
+    drawFocusIfNeededInternal(path2d->path(), element);
+}
+
+void CanvasRenderingContext2D::drawFocusIfNeededInternal(const Path& path, Element* element)
+{
+    if (!focusRingCallIsValid(path, element))
         return;
 
-    updateFocusRingAccessibility(m_path, element);
+    updateFocusRingAccessibility(path, element);
     // Note: we need to check document->focusedElement() rather than just calling
     // element->focused(), because element->focused() isn't updated until after
     // focus events fire.
     if (element->document().focusedElement() == element)
-        drawFocusRing(m_path);
+        drawFocusRing(path);
 }
 
 bool CanvasRenderingContext2D::drawCustomFocusRing(Element* element)
@@ -2367,7 +2377,7 @@ void CanvasRenderingContext2D::updateFocusRingAccessibility(const Path& path, El
     if (AXObjectCache* axObjectCache = element->document().existingAXObjectCache()) {
         if (AXObject* obj = axObjectCache->getOrCreate(element)) {
             // Get the bounding rect and apply transformations.
-            FloatRect bounds = m_path.boundingRect();
+            FloatRect bounds = path.boundingRect();
             AffineTransform ctm = state().m_transform;
             FloatRect transformedBounds = ctm.mapRect(bounds);
             LayoutRect elementRect = LayoutRect(transformedBounds);