Convert //extensions/browser from scoped_ptr to std::unique_ptr

extensions/browser/mojo/stash_backend_unittest.cc

 // Copyright 2014 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "extensions/browser/mojo/stash_backend.h"
 
 #include <stdint.h>
 
 #include <utility>
 
@@ skipping 77 matching lines @@
   }
 
   void OnHandleReadyToRead() {
     handles_ready_++;
     EventReceived(EVENT_HANDLE_READY);
   }
 
  protected:
   base::MessageLoop message_loop_;
   base::Closure stop_run_loop_;
-  scoped_ptr<StashBackend> stash_backend_;
+  std::unique_ptr<StashBackend> stash_backend_;
   Event expected_event_;
   bool expecting_error_;
   mojo::InterfacePtr<StashService> stash_service_;
   int handles_ready_;
 
  private:
   DISALLOW_COPY_AND_ASSIGN(StashServiceTest);
 };
 
 // Test that adding stashed objects in multiple calls can all be retrieved by a
@@ skipping 183 matching lines @@
   ASSERT_EQ(0u, stashed_objects.size());
   // Check that the stashed handle has been closed.
   MojoResult result =
       mojo::Wait(message_pipe.handle1.get(),
                  MOJO_HANDLE_SIGNAL_READABLE | MOJO_HANDLE_SIGNAL_READABLE,
                  MOJO_DEADLINE_INDEFINITE, nullptr);
   EXPECT_EQ(MOJO_RESULT_FAILED_PRECONDITION, result);
 }
 
 }  // namespace extensions