| Index: Source/core/fetch/CSSStyleSheetResource.cpp
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| diff --git a/Source/core/fetch/CSSStyleSheetResource.cpp b/Source/core/fetch/CSSStyleSheetResource.cpp
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| index cf859616970619ff8b6839b328942860166cb73c..dd6fad0c90d5343954903308bee9c00621c6eb8e 100644
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| --- a/Source/core/fetch/CSSStyleSheetResource.cpp
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| +++ b/Source/core/fetch/CSSStyleSheetResource.cpp
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| @@ -123,7 +123,7 @@ bool CSSStyleSheetResource::canUseSheet(bool enforceMIMEType, bool* hasValidMIME
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|      //
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|      // This code defaults to allowing the stylesheet for non-HTTP protocols so
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|      // folks can use standards mode for local HTML documents.
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| -    AtomicString mimeType = extractMIMETypeFromMediaType(response().httpHeaderField("Content-Type"));
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| +    const AtomicString& mimeType = extractMIMETypeFromMediaType(response().httpHeaderField("Content-Type"));
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|      bool typeOK = mimeType.isEmpty() || equalIgnoringCase(mimeType, "text/css") || equalIgnoringCase(mimeType, "application/x-unknown-content-type");
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|      if (hasValidMIMEType)
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|          *hasValidMIMEType = typeOK;
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| 
 |