Prepare blink to unify definitions of load completion

Source/core/dom/ProcessingInstruction.cpp

Index: Source/core/dom/ProcessingInstruction.cpp
diff --git a/Source/core/dom/ProcessingInstruction.cpp b/Source/core/dom/ProcessingInstruction.cpp
index 4b59f895bd387d1f14a1f06fe8f90605e5a15c80..d0112335a1b8409dcfbefff4dcc78bc5107fc488 100644
--- a/Source/core/dom/ProcessingInstruction.cpp
+++ b/Source/core/dom/ProcessingInstruction.cpp
@@ -26,6 +26,7 @@
 #include "core/css/MediaList.h"
 #include "core/css/StyleSheetContents.h"
 #include "core/dom/Document.h"
+#include "core/dom/IncrementLoadEventDelayCount.h"
 #include "core/dom/StyleEngine.h"
 #include "core/fetch/CSSStyleSheetResource.h"
 #include "core/fetch/FetchRequest.h"
@@ -219,6 +220,7 @@ void ProcessingInstruction::setXSLStyleSheet(const String& href, const KURL& bas
     ASSERT(m_isXSL);
     m_sheet = XSLStyleSheet::create(this, href, baseURL);
     RefPtrWillBeRawPtr<Document> protect(&document());
+    OwnPtr<IncrementLoadEventDelayCount> delay = IncrementLoadEventDelayCount::create(document());
     parseStyleSheet(sheet);
 }