Make anchors mouse-focusable

Source/core/html/HTMLAnchorElement.cpp

Index: Source/core/html/HTMLAnchorElement.cpp
diff --git a/Source/core/html/HTMLAnchorElement.cpp b/Source/core/html/HTMLAnchorElement.cpp
index 8aa7f7eac91f6f2094d75822d3579fb6c6128a9e..b1696b2b0e88eff47c06350936111c0381641f38 100644
--- a/Source/core/html/HTMLAnchorElement.cpp
+++ b/Source/core/html/HTMLAnchorElement.cpp
@@ -43,6 +43,8 @@
 #include "core/loader/PingLoader.h"
 #include "core/page/Chrome.h"
 #include "core/page/ChromeClient.h"
+#include "core/page/FocusController.h"
+#include "core/page/Page.h"
 #include "core/rendering/RenderImage.h"
 #include "platform/PlatformMouseEvent.h"
 #include "platform/network/DNS.h"
@@ -84,12 +86,16 @@ bool HTMLAnchorElement::supportsFocus() const
     return isLink() || HTMLElement::supportsFocus();
 }
 
+bool HTMLAnchorElement::shouldHaveFocusAppearance() const
+{
+    ASSERT(focused());
+    return !document().page()->focusController().wasFocusedByMouse() || HTMLElement::supportsFocus();
+}
+
 bool HTMLAnchorElement::isMouseFocusable() const
 {
-    // Links are focusable by default, but only allow links with tabindex or contenteditable to be mouse focusable.
-    // https://bugs.webkit.org/show_bug.cgi?id=26856
     if (isLink())
-        return HTMLElement::supportsFocus();
+        return supportsFocus();
 
     return HTMLElement::isMouseFocusable();
 }