Fix smartclip crash

third_party/WebKit/Source/web/WebViewImpl.cpp

Index: third_party/WebKit/Source/web/WebViewImpl.cpp
diff --git a/third_party/WebKit/Source/web/WebViewImpl.cpp b/third_party/WebKit/Source/web/WebViewImpl.cpp
index c95ff4cfa344853cc5ae7c593179ea79f0fd582b..62e633cd870154b4cc3cf3fc3a4f2b69069f1c7a 100644
--- a/third_party/WebKit/Source/web/WebViewImpl.cpp
+++ b/third_party/WebKit/Source/web/WebViewImpl.cpp
@@ -3858,7 +3858,11 @@ void WebViewImpl::extractSmartClipData(WebRect rectInViewport, WebString& clipTe
     if (!startPosition.document() || !endPosition.document())
         return;
 
-    clipHtml = createMarkup(startPosition, endPosition, AnnotateForInterchange, ConvertBlocksToInlines::NotConvert, ResolveNonLocalURLs);
+    if (startPosition.compareTo(endPosition) <= 0) {
+        clipHtml = createMarkup(startPosition, endPosition, AnnotateForInterchange, ConvertBlocksToInlines::NotConvert, ResolveNonLocalURLs);
+    } else {
+        clipHtml = createMarkup(endPosition, startPosition, AnnotateForInterchange, ConvertBlocksToInlines::NotConvert, ResolveNonLocalURLs);
+    }
 }
 
 void WebViewImpl::hidePopups()