Restore a collapsed leading space of text used for line break

third_party/WebKit/LayoutTests/editing/pasteboard/restore-collapsed-space-for-copy.html

Index: third_party/WebKit/LayoutTests/editing/pasteboard/restore-collapsed-space-for-copy.html
diff --git a/third_party/WebKit/LayoutTests/editing/pasteboard/restore-collapsed-space-for-copy.html b/third_party/WebKit/LayoutTests/editing/pasteboard/restore-collapsed-space-for-copy.html
index a7ba4ce9455aeaff34ce9e11cbfad776aaff883f..94aa3309c6ea1fb227b4506d36060ad20f242ea2 100644
--- a/third_party/WebKit/LayoutTests/editing/pasteboard/restore-collapsed-space-for-copy.html
+++ b/third_party/WebKit/LayoutTests/editing/pasteboard/restore-collapsed-space-for-copy.html
@@ -31,13 +31,26 @@ test(() => assert_selection(
   '3. Restore the collapsed leading space');
 
 test(() => assert_selection(
+  '<div style="width: 2em;"><b><i>^foo</i></b> bar|</div><div contenteditable id="editor"></div>',
+  selection => {
+    var copy = selection.document.getElementById('copy');
+    var editor = selection.document.getElementById('editor');
+
+    selection.document.execCommand('copy');
+    selection.collapse(editor);
+    selection.document.execCommand('paste');
+  },
+  '<div style="width: 2em;"><b><i>foo</i></b> bar</div><div contenteditable id="editor"><b><i>foo</i></b>\u00A0bar|</div>'),
+  '4. Restore the collapsed leading space');
+
+test(() => assert_selection(
   '<div style="width: 2em;">작은홍띠점박이푸른부전나비</div><div contenteditable>|</div>',
   selection => {
     selection.setClipboardData('작은홍띠점박이푸른부전나비');
     selection.document.execCommand('paste');
   },
  '<div style="width: 2em;">작은홍띠점박이푸른부전나비</div><div contenteditable>작은홍띠점박이푸른부전나비|</div>'),
-  '4. Space should not be added for CJK');
+  '5. Space should not be added for CJK');
 
 test(() => assert_selection(
   '<div style="width: 2em; word-break: break-all">Pneumonoultramicroscopicsilicovolcanoconiosis</div><div contenteditable>|</div>',
@@ -46,5 +59,5 @@ test(() => assert_selection(
     selection.document.execCommand('paste');
   },
  '<div style="width: 2em; word-break: break-all">Pneumonoultramicroscopicsilicovolcanoconiosis</div><div contenteditable>Pneumonoultramicroscopicsilicovolcanoconiosis|</div>'),
-  '5. Space should not be added for CSS word-break: break-all');
+  '6. Space should not be added for CSS word-break: break-all');
 </script>