Fix CSSParserToken::operator== for NumberTokens

third_party/WebKit/LayoutTests/fast/css/variables/multiple-writes-to-inline-style.html

Index: third_party/WebKit/LayoutTests/fast/css/variables/multiple-writes-to-inline-style.html
diff --git a/third_party/WebKit/LayoutTests/fast/css/variables/multiple-writes-to-inline-style.html b/third_party/WebKit/LayoutTests/fast/css/variables/multiple-writes-to-inline-style.html
index a2d1938bbf31cab9f005b7316000cd3ae755e4ee..499ec1c8e4b38771510de633aa9d09814e382f44 100644
--- a/third_party/WebKit/LayoutTests/fast/css/variables/multiple-writes-to-inline-style.html
+++ b/third_party/WebKit/LayoutTests/fast/css/variables/multiple-writes-to-inline-style.html
@@ -15,4 +15,17 @@ test(function() {
   assert_equals(testElem.getAttribute('style'), '--foo:second;');
 }, "subsequent writes to inline style overwrite older values.")
 
+test(function() {
+  var value = '10 20% 30px bla("x")';
+  testElem.style.setProperty('--foo', value);
+  assert_equals(testElem.style.getPropertyValue('--foo'), value);
+  testElem.offsetTop;
+  testElem.style.setProperty('--foo', value);
+  assert_equals(testElem.style.getPropertyValue('--foo'), value);
+  testElem.offsetTop;
+  value = '-5 1.5px [ ]'
+  testElem.style.setProperty('--foo', value);
+  assert_equals(testElem.style.getPropertyValue('--foo'), value);
+}, "various token types can be compared")
+
 </script>