Fix Link header parsing bug with extension parameter parsing.

Source/core/loader/LinkHeader.cpp

Index: Source/core/loader/LinkHeader.cpp
diff --git a/Source/core/loader/LinkHeader.cpp b/Source/core/loader/LinkHeader.cpp
index e9adad68e923b3ac3f845d7737d073365f95aa23..163bf58bb04a1479990f95a5e07ea1ebd31e04a3 100644
--- a/Source/core/loader/LinkHeader.cpp
+++ b/Source/core/loader/LinkHeader.cpp
@@ -25,7 +25,7 @@ static bool isValidURLChar(CharType chr)
 template <typename CharType>
 static bool isValidParameterNameChar(CharType chr)
 {
-    return !isWhitespace(chr) && chr != '=';
+    return !isWhitespace(chr) && chr != '=' && chr != ';' && chr != ',';

[Nate Chapin, 2015/08/27 21:39:16]

Is there a spec for this?

 }
 
 template <typename CharType>
@@ -40,6 +40,7 @@ static bool isValidParameterValueChar(CharType chr)
     return !isWhitespace(chr) && !isValidParameterValueEnd(chr);
 }
 
+// Verify that the parameter is a link-extension which according to spec doesn't have to have a value.
 static bool isExtensionParameter(LinkHeader::LinkParameterName name)
 {
     return name > LinkHeader::LinkParameterAnchor;