Remove Navigation Transitions from Blink.

Source/core/html/LinkRelAttribute.cpp

Index: Source/core/html/LinkRelAttribute.cpp
diff --git a/Source/core/html/LinkRelAttribute.cpp b/Source/core/html/LinkRelAttribute.cpp
index 8df7495f47c60d03e61d771c710d03b0e9bef701..042bf8a638ed55ae43fd77601026cc7bb5cfd1fa 100644
--- a/Source/core/html/LinkRelAttribute.cpp
+++ b/Source/core/html/LinkRelAttribute.cpp
@@ -49,7 +49,6 @@ LinkRelAttribute::LinkRelAttribute(const String& rel)
     , m_isLinkNext(false)
     , m_isImport(false)
     , m_isManifest(false)
-    , m_isTransitionExitingStylesheet(false)
     , m_isDefaultPresentation(false)
 {
     if (rel.isEmpty())
@@ -96,9 +95,6 @@ LinkRelAttribute::LinkRelAttribute(const String& rel)
                 m_iconType = TouchPrecomposedIcon;
         } else if (equalIgnoringCase(linkType, "manifest")) {
             m_isManifest = true;
-        } else if (equalIgnoringCase(rel, "transition-exiting-stylesheet")) {
-            if (RuntimeEnabledFeatures::navigationTransitionsEnabled())
-                m_isTransitionExitingStylesheet = true;
         } else if (equalIgnoringCase(linkType, "default-presentation")) {
             if (RuntimeEnabledFeatures::presentationEnabled())
                 m_isDefaultPresentation = true;