Enable ASSERT(attribute.nameRange.start) in AtomicHTMLToken::initializeAttributes

Restore it since the referred bug is already in the trunk.

BUG=

Review URL: https://codereview.chromium.org/345733003

git-svn-id: svn://svn.chromium.org/blink/trunk@176528 bbb929c8-8fbe-4397-9dbb-9b2b20218538

third_party/WebKit/Source/core/html/parser/AtomicHTMLToken.h

@@ -233,9 +233,7 @@ inline void AtomicHTMLToken::initializeAttributes(const HTMLToken::AttributeList
         if (attribute.name.isEmpty())
             continue;
 
-        // FIXME: We should be able to add the following ASSERT once we fix
-        // https://bugs.webkit.org/show_bug.cgi?id=62971
-        //   ASSERT(attribute.nameRange.start);
+        ASSERT(attribute.nameRange.start);
         ASSERT(attribute.nameRange.end);
         ASSERT(attribute.valueRange.start);
         ASSERT(attribute.valueRange.end);