Keep br while replacing plain texts with content ending with newline

Source/core/editing/ReplaceSelectionCommand.cpp

Index: Source/core/editing/ReplaceSelectionCommand.cpp
diff --git a/Source/core/editing/ReplaceSelectionCommand.cpp b/Source/core/editing/ReplaceSelectionCommand.cpp
index 5b7939ef51b9433aab5a09051892b28cd4dab46e..c2109e940290cefc4217ca1adc601bc70e1e2208 100644
--- a/Source/core/editing/ReplaceSelectionCommand.cpp
+++ b/Source/core/editing/ReplaceSelectionCommand.cpp
@@ -1126,12 +1126,15 @@ void ReplaceSelectionCommand::doApply()
         insertNodeAt(createBreakElement(document()).get(), startOfInsertedContent.deepEquivalent());
 
     if (endBR && (plainTextFragment || shouldRemoveEndBR(endBR, originalVisPosBeforeEndBR))) {
-        RefPtr<Node> parent = endBR->parentNode();
-        insertedNodes.willRemoveNode(*endBR);
-        removeNode(endBR);
-        if (Node* nodeToRemove = highestNodeToRemoveInPruning(parent.get())) {
-            insertedNodes.willRemoveNode(*nodeToRemove);
-            removeNode(nodeToRemove);
+        // Don't remove br if we are replacing plain texts with content ending with newline
+        if (!(fragment.hasInterchangeNewlineAtEnd()  && selectionIsPlainText)) {

[yosin_UTC9, 2013/12/20 01:23:06]

nit: Please merge L1130 condition into L1129.

+            RefPtr<Node> parent = endBR->parentNode();
+            insertedNodes.willRemoveNode(*endBR);
+            removeNode(endBR);
+            if (Node* nodeToRemove = highestNodeToRemoveInPruning(parent.get())) {
+                insertedNodes.willRemoveNode(*nodeToRemove);
+                removeNode(nodeToRemove);
+            }
         }
     }