Convert //cc from scoped_ptr to std::unique_ptr.

cc/quads/draw_quad_perftest.cc

 // Copyright 2015 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 <vector>
 
 #include "base/bind.h"
 #include "base/time/time.h"
 #include "cc/debug/lap_timer.h"
 #include "cc/quads/draw_quad.h"
@@ skipping 80 matching lines @@
       }
       timer_.NextLap();
     } while (!timer_.HasTimeLimitExpired());
 
     perf_test::PrintResult("draw_quad_iterate_resources", "", test_name,
                            timer_.LapsPerSecond(), "runs/s", true);
     CleanUpRenderPass();
   }
 
  private:
-  scoped_ptr<RenderPass> render_pass_;
+  std::unique_ptr<RenderPass> render_pass_;
   SharedQuadState* shared_state_;
   LapTimer timer_;
 };
 
 TEST_F(DrawQuadPerfTest, IterateResources) {
   RunIterateResourceTest("10_quads", 10);
   RunIterateResourceTest("100_quads", 100);
   RunIterateResourceTest("500_quads", 500);
 }
 
 }  // namespace
 }  // namespace cc