| Index: third_party/WebKit/Source/core/dom/ProcessingInstruction.cpp | 
| diff --git a/third_party/WebKit/Source/core/dom/ProcessingInstruction.cpp b/third_party/WebKit/Source/core/dom/ProcessingInstruction.cpp | 
| index 9ba21277b2f6be936e022b550c264c0c280d3b0c..a7c5b8c86cd1df4c1ba3c7397bbcaf924f0d7e45 100644 | 
| --- a/third_party/WebKit/Source/core/dom/ProcessingInstruction.cpp | 
| +++ b/third_party/WebKit/Source/core/dom/ProcessingInstruction.cpp | 
| @@ -207,7 +207,7 @@ void ProcessingInstruction::setCSSStyleSheet(const String& href, const KURL& bas | 
| cssSheet->setDisabled(m_alternate); | 
| cssSheet->setTitle(m_title); | 
| if (!m_alternate && !m_title.isEmpty()) | 
| -        document().styleEngine().setPreferredStylesheetSetNameIfNotSet(m_title); | 
| +        document().styleEngine().setPreferredStylesheetSetNameIfNotSet(m_title, StyleEngine::DontUpdateActiveSheets); | 
| cssSheet->setMediaQueries(MediaQuerySet::create(m_media)); | 
|  | 
| m_sheet = cssSheet; | 
|  |