Make anchors mouse-focusable

Source/core/svg/SVGAElement.h

Index: Source/core/svg/SVGAElement.h
diff --git a/Source/core/svg/SVGAElement.h b/Source/core/svg/SVGAElement.h
index c2bf92c52c8c8df330b7f608d809800405cd7154..d385575de5894159eec6321148e64231d1a9ea79 100644
--- a/Source/core/svg/SVGAElement.h
+++ b/Source/core/svg/SVGAElement.h
@@ -49,6 +49,9 @@ private:
     virtual bool isLiveLink() const OVERRIDE { return isLink(); }
 
     virtual bool supportsFocus() const OVERRIDE;
+    virtual bool shouldHaveFocusAppearance() const OVERRIDE FINAL;
+    virtual bool wasFocusedByMouse() const OVERRIDE FINAL;
+    virtual void setWasFocusedByMouse(bool) OVERRIDE FINAL;
     virtual bool isMouseFocusable() const OVERRIDE;
     virtual bool isKeyboardFocusable() const OVERRIDE;
     virtual bool isURLAttribute(const Attribute&) const OVERRIDE;
@@ -58,6 +61,7 @@ private:
     virtual bool willRespondToMouseClickEvents() OVERRIDE;
 
     RefPtr<SVGAnimatedString> m_svgTarget;
+    bool m_wasFocusedByMouse;
 };
 
 } // namespace blink