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

cc/input/top_controls_manager_unittest.cc

Index: cc/input/top_controls_manager_unittest.cc
diff --git a/cc/input/top_controls_manager_unittest.cc b/cc/input/top_controls_manager_unittest.cc
index b2ee9bf47270b57fe40c15b050bb817208f2f604..60ea43b9e19a232e39c4aae6c2e37fd3b198453b 100644
--- a/cc/input/top_controls_manager_unittest.cc
+++ b/cc/input/top_controls_manager_unittest.cc
@@ -6,9 +6,9 @@
 
 #include <algorithm>
 #include <cmath>
+#include <memory>
 
 #include "base/logging.h"
-#include "base/memory/scoped_ptr.h"
 #include "base/time/time.h"
 #include "cc/input/top_controls_manager_client.h"
 #include "cc/layers/layer_impl.h"
@@ -87,9 +87,9 @@ class MockTopControlsManagerClient : public TopControlsManagerClient {
   TestSharedBitmapManager shared_bitmap_manager_;
   TestTaskGraphRunner task_graph_runner_;
   FakeLayerTreeHostImpl host_impl_;
-  scoped_ptr<LayerTreeImpl> active_tree_;
-  scoped_ptr<LayerImpl> root_scroll_layer_;
-  scoped_ptr<TopControlsManager> manager_;
+  std::unique_ptr<LayerTreeImpl> active_tree_;
+  std::unique_ptr<LayerImpl> root_scroll_layer_;
+  std::unique_ptr<TopControlsManager> manager_;
   bool redraw_needed_;
   bool update_draw_properties_needed_;