Mark ResourceClient/ImageResourceObserver finished just before notifying

third_party/WebKit/Source/core/fetch/CSSStyleSheetResource.cpp

Index: third_party/WebKit/Source/core/fetch/CSSStyleSheetResource.cpp
diff --git a/third_party/WebKit/Source/core/fetch/CSSStyleSheetResource.cpp b/third_party/WebKit/Source/core/fetch/CSSStyleSheetResource.cpp
index 099ab741690132d2c62c5260dcc973d63f2f30fe..00d4ddf795ea0aa2d0ddfebcaaa208c300914b02 100644
--- a/third_party/WebKit/Source/core/fetch/CSSStyleSheetResource.cpp
+++ b/third_party/WebKit/Source/core/fetch/CSSStyleSheetResource.cpp
@@ -99,15 +99,18 @@ const String CSSStyleSheetResource::sheetText(MIMETypeCheck mimeTypeCheck) const
     return decodedText();
 }
 
-void CSSStyleSheetResource::checkNotify()
+void CSSStyleSheetResource::checkNotify(MarkFinishedOption markFinishedOption)
 {
     // Decode the data to find out the encoding and keep the sheet text around during checkNotify()
     if (m_data)
         m_decodedSheetText = decodedText();
 
     ResourceClientWalker<StyleSheetResourceClient> w(clients());
-    while (StyleSheetResourceClient* c = w.next())
+    while (StyleSheetResourceClient* c = w.next()) {
+        if (markFinishedOption == MarkFinishedOption::ShouldMarkFinished)
+            markClientFinished(c);
         c->setCSSStyleSheet(resourceRequest().url(), response().url(), encoding(), this);
+    }
     // Clear the decoded text as it is unlikely to be needed immediately again and is cheap to regenerate.
     m_decodedSheetText = String();
 }