Merge 108668 - REGRESSION(r99076): WebKit pastes the trailing newline into a single-line text field

Source/WebCore/editing/ReplaceSelectionCommand.cpp

Index: Source/WebCore/editing/ReplaceSelectionCommand.cpp
===================================================================
--- Source/WebCore/editing/ReplaceSelectionCommand.cpp	(revision 109271)
+++ Source/WebCore/editing/ReplaceSelectionCommand.cpp	(working copy)
@@ -293,6 +293,9 @@
 
 void ReplacementFragment::removeInterchangeNodes(Node* container)
 {
+    m_hasInterchangeNewlineAtStart = false;
+    m_hasInterchangeNewlineAtEnd = false;
+
     // Interchange newlines at the "start" of the incoming fragment must be
     // either the first node in the fragment or the first leaf in the fragment.
     Node* node = container->firstChild();