Get rid of redundant default parameter from NextLeafWithSameEditability()

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

Index: third_party/WebKit/Source/core/editing/VisibleUnitsLine.cpp
diff --git a/third_party/WebKit/Source/core/editing/VisibleUnitsLine.cpp b/third_party/WebKit/Source/core/editing/VisibleUnitsLine.cpp
index f882fb7341efbdd6da6bca6eb2251cfd40f0998f..bd55dccd95ced224597f1a8be6bcbeb701f601cb 100644
--- a/third_party/WebKit/Source/core/editing/VisibleUnitsLine.cpp
+++ b/third_party/WebKit/Source/core/editing/VisibleUnitsLine.cpp
@@ -95,9 +95,7 @@ Node* PreviousLeafWithSameEditability(Node* node, EditableType editable_type) {
   return nullptr;
 }
 
-Node* NextLeafWithSameEditability(
-    Node* node,
-    EditableType editable_type = kContentIsEditable) {
+Node* NextLeafWithSameEditability(Node* node, EditableType editable_type) {
   if (!node)
     return nullptr;