Remove ScopedVector from components/sessions.

components/sessions/core/session_backend.h

Index: components/sessions/core/session_backend.h
diff --git a/components/sessions/core/session_backend.h b/components/sessions/core/session_backend.h
index d53fb8f6547e88b1bfa9b4926d069fa7e83fc13d..765ae5f08d7d4651f2c6063ec32c8527f5519f63 100644
--- a/components/sessions/core/session_backend.h
+++ b/components/sessions/core/session_backend.h
@@ -64,8 +64,9 @@ class SESSIONS_EXPORT SessionBackend
 
   // Appends the specified commands to the current file. If reset_first is
   // true the the current file is recreated.
-  void AppendCommands(ScopedVector<sessions::SessionCommand> commands,
-                      bool reset_first);
+  void AppendCommands(
+      std::vector<std::unique_ptr<sessions::SessionCommand>> commands,
+      bool reset_first);
 
   // Invoked from the service to read the commands that make up the last
   // session, invokes ReadLastSessionCommandsImpl to do the work.
@@ -77,7 +78,7 @@ class SESSIONS_EXPORT SessionBackend
   //
   // On success, the read commands are added to commands.
   bool ReadLastSessionCommandsImpl(
-      ScopedVector<sessions::SessionCommand>* commands);
+      std::vector<std::unique_ptr<sessions::SessionCommand>>* commands);
 
   // Deletes the file containing the commands for the last session.
   void DeleteLastSession();
@@ -92,7 +93,7 @@ class SESSIONS_EXPORT SessionBackend
   // On success, the read commands are added to commands. It is up to the
   // caller to delete the commands.
   bool ReadCurrentSessionCommandsImpl(
-      ScopedVector<sessions::SessionCommand>* commands);
+      std::vector<std::unique_ptr<sessions::SessionCommand>>* commands);
 
  private:
   friend class base::RefCountedThreadSafe<SessionBackend>;
@@ -114,7 +115,7 @@ class SESSIONS_EXPORT SessionBackend
   // Appends the specified commands to the specified file.
   bool AppendCommandsToFile(
       base::File* file,
-      const ScopedVector<sessions::SessionCommand>& commands);
+      const std::vector<std::unique_ptr<sessions::SessionCommand>>& commands);
 
   const sessions::BaseSessionService::SessionType type_;