Make anchors mouse-focusable

Source/core/dom/ElementData.cpp

Index: Source/core/dom/ElementData.cpp
diff --git a/Source/core/dom/ElementData.cpp b/Source/core/dom/ElementData.cpp
index c7c8e6cc052d95f3524ad6369da62f81d69e9623..36228d192dedba54996682d3c192b621695e97a9 100644
--- a/Source/core/dom/ElementData.cpp
+++ b/Source/core/dom/ElementData.cpp
@@ -55,6 +55,7 @@ ElementData::ElementData()
     , m_presentationAttributeStyleIsDirty(false)
     , m_styleAttributeIsDirty(false)
     , m_animatedSVGAttributesAreDirty(false)
+    , m_shouldHideFocusRingOnMouseFocus(false)
 {
 }
 
@@ -64,6 +65,7 @@ ElementData::ElementData(unsigned arraySize)
     , m_presentationAttributeStyleIsDirty(false)
     , m_styleAttributeIsDirty(false)
     , m_animatedSVGAttributesAreDirty(false)
+    , m_shouldHideFocusRingOnMouseFocus(false)
 {
 }
 
@@ -73,6 +75,7 @@ ElementData::ElementData(const ElementData& other, bool isUnique)
     , m_presentationAttributeStyleIsDirty(other.m_presentationAttributeStyleIsDirty)
     , m_styleAttributeIsDirty(other.m_styleAttributeIsDirty)
     , m_animatedSVGAttributesAreDirty(other.m_animatedSVGAttributesAreDirty)
+    , m_shouldHideFocusRingOnMouseFocus(other.m_shouldHideFocusRingOnMouseFocus)
     , m_classNames(other.m_classNames)
     , m_idForStyleResolution(other.m_idForStyleResolution)
 {