Allow StringView to have the sole reference to a static string

third_party/WebKit/Source/wtf/text/StringView.cpp

Index: third_party/WebKit/Source/wtf/text/StringView.cpp
diff --git a/third_party/WebKit/Source/wtf/text/StringView.cpp b/third_party/WebKit/Source/wtf/text/StringView.cpp
index d3d53e6279cf68be57080973d126fc6bcdf6a07c..6774c5f7c0930a6dbe5e9e9c264de6e048eb0aa1 100644
--- a/third_party/WebKit/Source/wtf/text/StringView.cpp
+++ b/third_party/WebKit/Source/wtf/text/StringView.cpp
@@ -16,8 +16,9 @@ StringView::StringView(const UChar* chars)
 #if DCHECK_IS_ON()
 StringView::~StringView() {
   DCHECK(m_impl);
-  DCHECK(!m_impl->hasOneRef()) << "StringView does not own the StringImpl, it "
-                                  "must not have the last ref.";
+  DCHECK(!m_impl->hasOneRef() || m_impl->isStatic())
+      << "StringView does not own the StringImpl, it "
+         "must not have the last ref.";
 }
 #endif