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

components/undo/undo_manager.h

Index: components/undo/undo_manager.h
diff --git a/components/undo/undo_manager.h b/components/undo/undo_manager.h
index ef129957088f695e162d30da33119aad39818758..3cb7fdfd0cf74efbe09c5b79ff61a340de6f4d00 100644
--- a/components/undo/undo_manager.h
+++ b/components/undo/undo_manager.h
@@ -7,8 +7,9 @@
 
 #include <stddef.h>
 
+#include <memory>
+
 #include "base/macros.h"
-#include "base/memory/scoped_ptr.h"
 #include "base/memory/scoped_vector.h"
 #include "base/observer_list.h"
 #include "base/strings/string16.h"
@@ -25,7 +26,7 @@ class UndoGroup {
   UndoGroup();
   ~UndoGroup();
 
-  void AddOperation(scoped_ptr<UndoOperation> operation);
+  void AddOperation(std::unique_ptr<UndoOperation> operation);
   const std::vector<UndoOperation*>& undo_operations() {
     return operations_.get();
   }
@@ -67,7 +68,7 @@ class UndoManager {
   base::string16 GetUndoLabel() const;
   base::string16 GetRedoLabel() const;
 
-  void AddUndoOperation(scoped_ptr<UndoOperation> operation);
+  void AddUndoOperation(std::unique_ptr<UndoOperation> operation);
 
   // Group multiple operations into one undoable action.
   void StartGroupingActions();
@@ -117,7 +118,7 @@ class UndoManager {
   int group_actions_count_;
 
   // The container that is used when actions are grouped.
-  scoped_ptr<UndoGroup> pending_grouped_action_;
+  std::unique_ptr<UndoGroup> pending_grouped_action_;
 
   // The action that is in the process of being undone.
   UndoGroup* undo_in_progress_action_;