[EditCommandSource] Pass source through |CompositeEditCommand| ctor instead of |apply(source)|

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

Index: third_party/WebKit/Source/core/editing/commands/IndentOutdentCommand.cpp
diff --git a/third_party/WebKit/Source/core/editing/commands/IndentOutdentCommand.cpp b/third_party/WebKit/Source/core/editing/commands/IndentOutdentCommand.cpp
index 9ccdd187d5c680ccbd0422516f51d0e32dcc85ac..563787173634d305b5acc8bbf0076e769e98bc4c 100644
--- a/third_party/WebKit/Source/core/editing/commands/IndentOutdentCommand.cpp
+++ b/third_party/WebKit/Source/core/editing/commands/IndentOutdentCommand.cpp
@@ -55,9 +55,11 @@ static bool isHTMLListOrBlockquoteElement(const Node* node) {
 }
 
 IndentOutdentCommand::IndentOutdentCommand(Document& document,
+                                           EditCommandSource source,
                                            EIndentType typeOfAction)
     : ApplyBlockElementCommand(
           document,
+          source,
           blockquoteTag,
           "margin: 0 0 0 40px; border: none; padding: 0px;"),
       m_typeOfAction(typeOfAction) {}
@@ -210,13 +212,15 @@ void IndentOutdentCommand::outdentParagraph(EditingState* editingState) {
   // Use InsertListCommand to remove the selection from the list
   if (isHTMLOListElement(*enclosingElement)) {
     applyCommandToComposite(
-        InsertListCommand::create(document(), InsertListCommand::OrderedList),
+        InsertListCommand::create(document(), EditCommandSource::kInternal,
+                                  InsertListCommand::OrderedList),
         editingState);
     return;
   }
   if (isHTMLUListElement(*enclosingElement)) {
     applyCommandToComposite(
-        InsertListCommand::create(document(), InsertListCommand::UnorderedList),
+        InsertListCommand::create(document(), EditCommandSource::kInternal,
+                                  InsertListCommand::UnorderedList),
         editingState);
     return;
   }