Convert //components/[u-z]* from scoped_ptr to std::unique_ptr

components/undo/undo_manager.cc

Index: components/undo/undo_manager.cc
diff --git a/components/undo/undo_manager.cc b/components/undo/undo_manager.cc
index e27e948b671fd57f8adc55eacf6f7fdc9d88de36..59cb8e081f09147cfa6a39c88e1fe5122fed2e4c 100644
--- a/components/undo/undo_manager.cc
+++ b/components/undo/undo_manager.cc
@@ -30,7 +30,7 @@ UndoGroup::UndoGroup()
 UndoGroup::~UndoGroup() {
 }
 
-void UndoGroup::AddOperation(scoped_ptr<UndoOperation> operation) {
+void UndoGroup::AddOperation(std::unique_ptr<UndoOperation> operation) {
   if (operations_.empty()) {
     set_undo_label_id(operation->GetUndoLabelId());
     set_redo_label_id(operation->GetRedoLabelId());
@@ -82,7 +82,7 @@ base::string16 UndoManager::GetRedoLabel() const {
                             : redo_actions_.back()->get_redo_label_id());
 }
 
-void UndoManager::AddUndoOperation(scoped_ptr<UndoOperation> operation) {
+void UndoManager::AddUndoOperation(std::unique_ptr<UndoOperation> operation) {
   if (IsUndoTrakingSuspended()) {
     RemoveAllOperations();
     operation.reset();
@@ -189,7 +189,7 @@ void UndoManager::Undo(bool* performing_indicator,
     return;
 
   base::AutoReset<bool> incoming_changes(performing_indicator, true);
-  scoped_ptr<UndoGroup> action(active_undo_group->back());
+  std::unique_ptr<UndoGroup> action(active_undo_group->back());
   base::AutoReset<UndoGroup*> action_context(&undo_in_progress_action_,
       action.get());
   active_undo_group->weak_erase(