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/preserve-trailing-space.html b/third_party/WebKit/LayoutTests/editing/pasteboard/restore-collapsed-space-for-copy.html
similarity index 76%
rename from third_party/WebKit/LayoutTests/editing/pasteboard/preserve-trailing-space.html
rename to third_party/WebKit/LayoutTests/editing/pasteboard/restore-collapsed-space-for-copy.html
index 160aa235b740084a6c6b14632cadfa7462be56bd..a7ba4ce9455aeaff34ce9e11cbfad776aaff883f 100644
--- a/third_party/WebKit/LayoutTests/editing/pasteboard/preserve-trailing-space.html
+++ b/third_party/WebKit/LayoutTests/editing/pasteboard/restore-collapsed-space-for-copy.html
@@ -10,7 +10,7 @@ test(() => assert_selection(
     selection.document.execCommand('paste');
   },
   '<div style="width: 10em;">Copy this area <a href="http://foo/">AVeryLongWordThatWillWrap</a></div><div contenteditable>Copy this area <a href="http://foo/">AVeryLongWordThatWillWrap|</a></div>'),
-  '1. Restore the collapsed space');
+  '1. Restore the collapsed trailing space');
 
 test(() => assert_selection(
   '<div style="width: 2em;"><b><i>foo </i></b>bar</div><div contenteditable>|</div>',
@@ -19,7 +19,16 @@ test(() => assert_selection(
     selection.document.execCommand('paste');
   },
  '<div style="width: 2em;"><b><i>foo </i></b>bar</div><div contenteditable><b><i>foo </i></b>bar|</div>'),
-  '2. Restore the collapsed space');
+  '2. Restore the collapsed trailing space');
+
+test(() => assert_selection(
+  '<div style="width: 2em;"><b><i>foo</i></b> bar</div><div contenteditable>|</div>',
+  selection => {
+    selection.setClipboardData('<b><i>foo</i></b> bar');
+    selection.document.execCommand('paste');
+  },
+  '<div style="width: 2em;"><b><i>foo</i></b> bar</div><div contenteditable><b><i>foo</i></b> bar|</div>'),
+  '3. Restore the collapsed leading space');
 
 test(() => assert_selection(
   '<div style="width: 2em;">작은홍띠점박이푸른부전나비</div><div contenteditable>|</div>',
@@ -28,7 +37,7 @@ test(() => assert_selection(
     selection.document.execCommand('paste');
   },
  '<div style="width: 2em;">작은홍띠점박이푸른부전나비</div><div contenteditable>작은홍띠점박이푸른부전나비|</div>'),
-  '3. Space should not be added for CJK');
+  '4. Space should not be added for CJK');
 
 test(() => assert_selection(
   '<div style="width: 2em; word-break: break-all">Pneumonoultramicroscopicsilicovolcanoconiosis</div><div contenteditable>|</div>',
@@ -37,5 +46,5 @@ test(() => assert_selection(
     selection.document.execCommand('paste');
   },
  '<div style="width: 2em; word-break: break-all">Pneumonoultramicroscopicsilicovolcanoconiosis</div><div contenteditable>Pneumonoultramicroscopicsilicovolcanoconiosis|</div>'),
-  '4. Space should not be added for CSS word-break: break-all');
+  '5. Space should not be added for CSS word-break: break-all');
 </script>