Make EnabledDelete return false for user-triggered command and unfocused selection

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

Index: third_party/WebKit/Source/core/editing/commands/EditorCommand.cpp
diff --git a/third_party/WebKit/Source/core/editing/commands/EditorCommand.cpp b/third_party/WebKit/Source/core/editing/commands/EditorCommand.cpp
index 03772a7b444d0c8704633a5c36e56cc5c05b2ec2..813d5f992f8045363614ab95afa2a12924b6126e 100644
--- a/third_party/WebKit/Source/core/editing/commands/EditorCommand.cpp
+++ b/third_party/WebKit/Source/core/editing/commands/EditorCommand.cpp
@@ -2068,7 +2068,8 @@ static bool EnabledDelete(LocalFrame& frame,
                           EditorCommandSource source) {
   switch (source) {
     case kCommandFromMenuOrKeyBinding:
-      return frame.GetEditor().CanDelete();
+      return frame.Selection().SelectionHasFocus() &&
+             frame.GetEditor().CanDelete();
     case kCommandFromDOM:
       // "Delete" from DOM is like delete/backspace keypress, affects selected
       // range if non-empty, otherwise removes a character