Remove stylesheet injection from Blink.

Source/core/dom/Document.cpp

Index: Source/core/dom/Document.cpp
diff --git a/Source/core/dom/Document.cpp b/Source/core/dom/Document.cpp
index 646a36b53a65645d7d145b0ce1565c7bb7008fb3..2e640215a9a1c540515fcd78ac49a0e406100603 100644
--- a/Source/core/dom/Document.cpp
+++ b/Source/core/dom/Document.cpp
@@ -675,13 +675,8 @@ void Document::setCompatibilityMode(CompatibilityMode mode)
 {
     if (m_compatibilityModeLocked || mode == m_compatibilityMode)
         return;
-    bool wasInQuirksMode = inQuirksMode();
     m_compatibilityMode = mode;
     selectorQueryCache().invalidate();
-    if (inQuirksMode() != wasInQuirksMode) {
-        // All injected stylesheets have to reparse using the different mode.
-        m_styleEngine->compatibilityModeChanged();
-    }
 }
 
 String Document::compatMode() const