CSP 1.1: Revert CSSOM changes.

Source/core/css/CSSStyleSheet.cpp

Index: Source/core/css/CSSStyleSheet.cpp
diff --git a/Source/core/css/CSSStyleSheet.cpp b/Source/core/css/CSSStyleSheet.cpp
index 13adbc477c89d256a70605428a90df9d609981b0..a34cd37a9934b661864f80a598b3d63ae6fa788d 100644
--- a/Source/core/css/CSSStyleSheet.cpp
+++ b/Source/core/css/CSSStyleSheet.cpp
@@ -35,7 +35,6 @@
 #include "core/dom/Document.h"
 #include "core/dom/ExceptionCode.h"
 #include "core/dom/Node.h"
-#include "core/frame/ContentSecurityPolicy.h"
 #include "core/frame/UseCounter.h"
 #include "core/inspector/InspectorInstrumentation.h"
 #include "platform/weborigin/SecurityOrigin.h"
@@ -271,13 +270,6 @@ unsigned CSSStyleSheet::insertRule(const String& ruleString, unsigned index, Exc
 {
     ASSERT(m_childRuleCSSOMWrappers.isEmpty() || m_childRuleCSSOMWrappers.size() == m_contents->ruleCount());
 
-    if (Document* document = ownerDocument()) {
-        if (!document->contentSecurityPolicy()->allowStyleEval()) {
-            exceptionState.throwSecurityError(document->contentSecurityPolicy()->styleEvalDisabledErrorMessage());
-            return 0;
-        }
-    }
-
     if (index > length()) {
         exceptionState.throwDOMException(IndexSizeError, "The index provided (" + String::number(index) + ") is larger than the maximum index (" + String::number(length()) + ").");
         return 0;