CSSStyleSheetResource should cache decoded text instead of raw bytes

third_party/WebKit/Source/core/css/StyleRuleImport.h

Index: third_party/WebKit/Source/core/css/StyleRuleImport.h
diff --git a/third_party/WebKit/Source/core/css/StyleRuleImport.h b/third_party/WebKit/Source/core/css/StyleRuleImport.h
index 88db5857644394049cb4e3f242c29bf9181f3f76..cec134e7bd18102ea7141027d1db17c0f5ff9039 100644
--- a/third_party/WebKit/Source/core/css/StyleRuleImport.h
+++ b/third_party/WebKit/Source/core/css/StyleRuleImport.h
@@ -62,7 +62,7 @@ private:
     public:
         ImportedStyleSheetClient(StyleRuleImport* ownerRule) : m_ownerRule(ownerRule) { }
         ~ImportedStyleSheetClient() override { }
-        void setCSSStyleSheet(const String& href, const KURL& baseURL, const String& charset, const CSSStyleSheetResource* sheet) override
+        void setCSSStyleSheet(const String& href, const KURL& baseURL, const String& charset, CSSStyleSheetResource* sheet) override
         {
             m_ownerRule->setCSSStyleSheet(href, baseURL, charset, sheet);
         }
@@ -78,7 +78,7 @@ private:
         Member<StyleRuleImport> m_ownerRule;
     };
 
-    void setCSSStyleSheet(const String& href, const KURL& baseURL, const String& charset, const CSSStyleSheetResource*);
+    void setCSSStyleSheet(const String& href, const KURL& baseURL, const String& charset, CSSStyleSheetResource*);
 
     StyleRuleImport(const String& href, MediaQuerySet*);