Fix Link header parsing bug with extension parameter parsing.

Source/core/loader/LinkHeaderTest.cpp

Index: Source/core/loader/LinkHeaderTest.cpp
diff --git a/Source/core/loader/LinkHeaderTest.cpp b/Source/core/loader/LinkHeaderTest.cpp
index 33be6d1bc60a793b5fd758589f2764b747c077a0..53afa7949c2727a536237575494eda4de4173c30 100644
--- a/Source/core/loader/LinkHeaderTest.cpp
+++ b/Source/core/loader/LinkHeaderTest.cpp
@@ -109,6 +109,8 @@ TEST(LinkHeaderTest, Double)
         bool valid2;
     } cases[] = {
         {"<ybg.css>; rel=stylesheet, <simple.css>; rel=stylesheet", "ybg.css", "stylesheet", true, "simple.css", "stylesheet", true},
+        {"<ybg.css>; rel=stylesheet,<simple.css>; rel=stylesheet", "ybg.css", "stylesheet", true, "simple.css", "stylesheet", true},
+        {"<ybg.css>; rel=stylesheet;crossorigin,<simple.css>; rel=stylesheet", "ybg.css", "stylesheet", true, "simple.css", "stylesheet", true},
     };
 
     for (auto& testCase : cases) {
@@ -136,6 +138,9 @@ TEST(LinkHeaderTest, CrossOrigin)
         {"<http://whatever.com>; rel=preconnect", "http://whatever.com", "preconnect", CrossOriginAttributeNotSet, true},
         {"<http://whatever.com>; rel=preconnect; crossorigin=", "http://whatever.com", "preconnect", CrossOriginAttributeAnonymous, true},
         {"<http://whatever.com>; rel=preconnect; crossorigin", "http://whatever.com", "preconnect", CrossOriginAttributeAnonymous, true},
+        {"<http://whatever.com>; rel=preconnect; crossorigin;", "http://whatever.com", "preconnect", CrossOriginAttributeAnonymous, true},
+        {"<http://whatever.com>; rel=preconnect; crossorigin, <http://whatever2.com>; rel=preconnect", "http://whatever.com", "preconnect", CrossOriginAttributeAnonymous, true},
+        {"<http://whatever.com>; rel=preconnect; crossorigin,<http://whatever2.com>; rel=preconnect", "http://whatever.com", "preconnect", CrossOriginAttributeAnonymous, true},
         {"<http://whatever.com>; rel=preconnect; crossorigin=anonymous", "http://whatever.com", "preconnect", CrossOriginAttributeAnonymous, true},
         {"<http://whatever.com>; rel=preconnect; crossorigin=use-credentials", "http://whatever.com", "preconnect", CrossOriginAttributeUseCredentials, true},
         {"<http://whatever.com>; rel=preconnect; crossorigin=whatever", "http://whatever.com", "preconnect", CrossOriginAttributeAnonymous,  true},