Deprecate fetching stylesheets with unsupported type

third_party/WebKit/Source/core/html/HTMLLinkElement.cpp

Index: third_party/WebKit/Source/core/html/HTMLLinkElement.cpp
diff --git a/third_party/WebKit/Source/core/html/HTMLLinkElement.cpp b/third_party/WebKit/Source/core/html/HTMLLinkElement.cpp
index 7d27e7cfbf7d07d2b40b7db27dfc3c9d00c72e44..bd2bb628a9ee33a605bb22b4585fdbe135484008 100644
--- a/third_party/WebKit/Source/core/html/HTMLLinkElement.cpp
+++ b/third_party/WebKit/Source/core/html/HTMLLinkElement.cpp
@@ -591,6 +591,11 @@ bool LinkStyle::styleSheetIsLoading() const
     return m_sheet->contents()->isLoading();
 }
 
+bool LinkStyle::styleSheetTypeIsSupported(const String& type) const

[esprehn, 2015/12/17 07:07:07]

This is static it doesn't need to be a method, move it to be static in the cpp
file.

[suzyh_UTC10 (ex-contributor), 2016/01/18 07:28:27]

Done.

+{
+    return type.isEmpty() || type.contains("text/css");
+}
+
 void LinkStyle::addPendingSheet(PendingSheetType type)
 {
     if (type <= m_pendingSheetType)
@@ -695,7 +700,7 @@ void LinkStyle::process()
     if (!m_owner->loadLink(type, as, builder.url()))
         return;
 
-    if (m_disabledState != Disabled && m_owner->relAttribute().isStyleSheet() && shouldLoadResource() && builder.url().isValid()) {
+    if (m_disabledState != Disabled && m_owner->relAttribute().isStyleSheet() && styleSheetTypeIsSupported(type) && shouldLoadResource() && builder.url().isValid()) {
 
         if (resource()) {
             removePendingSheet();