[Editing] Store |CommandSource| in |CompositeEditCommand|

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 2f1bc1a12e1d5855f2fac0a965b1c7f7d27a2b54..7e6c7a52e0424f48d7d5e5b7f18eaf9a776bb906 100644
--- a/third_party/WebKit/Source/core/editing/commands/DeleteSelectionCommand.cpp
+++ b/third_party/WebKit/Source/core/editing/commands/DeleteSelectionCommand.cpp
@@ -66,13 +66,14 @@ static bool isTableRowEmpty(Node* row) {
 
 DeleteSelectionCommand::DeleteSelectionCommand(
     Document& document,
+    CommandSource source,
     bool smartDelete,
     bool mergeBlocksAfterDelete,
     bool expandForSpecialElements,
     bool sanitizeMarkup,
     InputEvent::InputType inputType,
     const Position& referenceMovePosition)
-    : CompositeEditCommand(document),
+    : CompositeEditCommand(document, source),
       m_hasSelectionToDelete(false),
       m_smartDelete(smartDelete),
       m_mergeBlocksAfterDelete(mergeBlocksAfterDelete),
@@ -89,13 +90,14 @@ DeleteSelectionCommand::DeleteSelectionCommand(
       m_deleteIntoBlockquoteStyle(nullptr) {}
 
 DeleteSelectionCommand::DeleteSelectionCommand(
+    CommandSource source,
     const VisibleSelection& selection,
     bool smartDelete,
     bool mergeBlocksAfterDelete,
     bool expandForSpecialElements,
     bool sanitizeMarkup,
     InputEvent::InputType inputType)
-    : CompositeEditCommand(*selection.start().document()),
+    : CompositeEditCommand(*selection.start().document(), source),
       m_hasSelectionToDelete(true),
       m_smartDelete(smartDelete),
       m_mergeBlocksAfterDelete(mergeBlocksAfterDelete),