[Editing] Store |CommandSource| in |CompositeEditCommand|

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

Index: third_party/WebKit/Source/core/editing/commands/ReplaceSelectionCommand.cpp
diff --git a/third_party/WebKit/Source/core/editing/commands/ReplaceSelectionCommand.cpp b/third_party/WebKit/Source/core/editing/commands/ReplaceSelectionCommand.cpp
index 3ec32c20dbe3f857bd7d8470f0e0515ccf86399e..f6f675b94669412525f23ed5088f1629c271560d 100644
--- a/third_party/WebKit/Source/core/editing/commands/ReplaceSelectionCommand.cpp
+++ b/third_party/WebKit/Source/core/editing/commands/ReplaceSelectionCommand.cpp
@@ -438,10 +438,11 @@ inline void ReplaceSelectionCommand::InsertedNodes::didReplaceNode(
 
 ReplaceSelectionCommand::ReplaceSelectionCommand(
     Document& document,
+    CommandSource source,
     DocumentFragment* fragment,
     CommandOptions options,
     InputEvent::InputType inputType)
-    : CompositeEditCommand(document),
+    : CompositeEditCommand(document, source),
       m_selectReplacement(options & SelectReplacement),
       m_smartReplace(options & SmartReplace),
       m_matchStyle(options & MatchStyle),
@@ -1279,8 +1280,9 @@ void ReplaceSelectionCommand::doApply(EditingState* editingState) {
                           CanCrossEditingBoundary) &&
       m_preventNesting &&
       !(enclosingNodeOfType(insertionPos, &isTableStructureNode))) {
-    applyCommandToComposite(BreakBlockquoteCommand::create(document()),
-                            editingState);
+    applyCommandToComposite(
+        BreakBlockquoteCommand::create(document(), commandSource()),
+        editingState);
     if (editingState->isAborted())
       return;
     // This will leave a br between the split.
@@ -1544,10 +1546,11 @@ void ReplaceSelectionCommand::doApply(EditingState* editingState) {
   }
 
   if (m_sanitizeFragment && insertedNodes.firstNodeInserted()) {
-    applyCommandToComposite(SimplifyMarkupCommand::create(
-                                document(), insertedNodes.firstNodeInserted(),
-                                insertedNodes.pastLastLeaf()),
-                            editingState);
+    applyCommandToComposite(
+        SimplifyMarkupCommand::create(document(), commandSource(),
+                                      insertedNodes.firstNodeInserted(),
+                                      insertedNodes.pastLastLeaf()),
+        editingState);
     if (editingState->isAborted())
       return;
   }