Ensure valid VisiblePosition input for absoluteCaretBoundsOf

third_party/WebKit/Source/core/editing/commands/DeleteSelectionCommand.cpp

Index: third_party/WebKit/Source/core/editing/commands/DeleteSelectionCommand.cpp
diff --git a/third_party/WebKit/Source/core/editing/commands/DeleteSelectionCommand.cpp b/third_party/WebKit/Source/core/editing/commands/DeleteSelectionCommand.cpp
index c2614e5db7ac9ee1518d313168510d24652391d6..d7f311dcfbbd03234a13721d14f76aca5026de09 100644
--- a/third_party/WebKit/Source/core/editing/commands/DeleteSelectionCommand.cpp
+++ b/third_party/WebKit/Source/core/editing/commands/DeleteSelectionCommand.cpp
@@ -687,7 +687,7 @@ void DeleteSelectionCommand::mergeParagraphs(EditingState* editingState)
 
     // The rule for merging into an empty block is: only do so if its farther to the right.
     // FIXME: Consider RTL.
-    if (!m_startsAtEmptyLine && isStartOfParagraphDeprecated(mergeDestination) && absoluteCaretBoundsOf(startOfParagraphToMove).x() > absoluteCaretBoundsOf(mergeDestination).x()) {
+    if (!m_startsAtEmptyLine && isStartOfParagraphDeprecated(mergeDestination) && absoluteCaretBoundsOfDeprecated(startOfParagraphToMove).x() > absoluteCaretBoundsOfDeprecated(mergeDestination).x()) {
         if (isHTMLBRElement(*mostForwardCaretPosition(mergeDestination.deepEquivalent()).anchorNode())) {
             removeNodeAndPruneAncestors(mostForwardCaretPosition(mergeDestination.deepEquivalent()).anchorNode(), editingState);
             if (editingState->isAborted())