[Editing][DOM][CodeHealth] Make Node::hasEditableStyle global functions.

third_party/WebKit/Source/core/editing/FrameSelection.cpp

Index: third_party/WebKit/Source/core/editing/FrameSelection.cpp
diff --git a/third_party/WebKit/Source/core/editing/FrameSelection.cpp b/third_party/WebKit/Source/core/editing/FrameSelection.cpp
index 640ef906d0bcba14e48e5c56267935d6899ce6ed..b39784ef1a8e5888d2cff83112a9a0b26e4b3348 100644
--- a/third_party/WebKit/Source/core/editing/FrameSelection.cpp
+++ b/third_party/WebKit/Source/core/editing/FrameSelection.cpp
@@ -795,7 +795,7 @@ void FrameSelection::selectFrameElementInParentIfFullySelected()
         return;
 
     // This method's purpose is it to make it easier to select iframes (in order to delete them).  Don't do anything if the iframe isn't deletable.
-    if (!ownerElementParent->hasEditableStyle())
+    if (!blink::hasEditableStyle(*ownerElementParent))
         return;
 
     // Create compute positions before and after the element.
@@ -1185,7 +1185,7 @@ void FrameSelection::setSelectionFromNone()
 
     Document* document = m_frame->document();
     bool caretBrowsing = m_frame->settings() && m_frame->settings()->caretBrowsingEnabled();
-    if (!isNone() || !(document->hasEditableStyle() || caretBrowsing))
+    if (!isNone() || !(blink::hasEditableStyle(*document) || caretBrowsing))
         return;
 
     Element* documentElement = document->documentElement();