[Variables] Enable get/setProperty and similar APIs from the CSSOM

third_party/WebKit/Source/core/editing/commands/ReplaceSelectionCommand.cpp

Index: third_party/WebKit/Source/core/editing/commands/ReplaceSelectionCommand.cpp
diff --git a/third_party/WebKit/Source/core/editing/commands/ReplaceSelectionCommand.cpp b/third_party/WebKit/Source/core/editing/commands/ReplaceSelectionCommand.cpp
index eeb075233414345a9021c9544addd86e8711ca7e..1284b2d81c38b87e2adeaa4ec42cd7a20c2662ca 100644
--- a/third_party/WebKit/Source/core/editing/commands/ReplaceSelectionCommand.cpp
+++ b/third_party/WebKit/Source/core/editing/commands/ReplaceSelectionCommand.cpp
@@ -570,9 +570,9 @@ void ReplaceSelectionCommand::removeRedundantStylesAndKeepStyleSpanInline(Insert
 
             // Mutate using the CSSOM wrapper so we get the same event behavior as a script.
             if (isEnclosingBlock(element))
-                element->style()->setPropertyInternal(CSSPropertyDisplay, "inline", false, IGNORE_EXCEPTION);
+                element->style()->setPropertyInternal(CSSPropertyDisplay, String(), "inline", false, IGNORE_EXCEPTION);
             if (element->layoutObject() && element->layoutObject()->style()->isFloating())
-                element->style()->setPropertyInternal(CSSPropertyFloat, "none", false, IGNORE_EXCEPTION);
+                element->style()->setPropertyInternal(CSSPropertyFloat, String(), "none", false, IGNORE_EXCEPTION);
         }
     }
 }