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

cc/layers/heads_up_display_layer_impl.h

Index: cc/layers/heads_up_display_layer_impl.h
diff --git a/cc/layers/heads_up_display_layer_impl.h b/cc/layers/heads_up_display_layer_impl.h
index b97eb141027bb7f9f88774cad4192dc276998082..ac32edf9224ab132cba517002cc8c36c6eab9883 100644
--- a/cc/layers/heads_up_display_layer_impl.h
+++ b/cc/layers/heads_up_display_layer_impl.h
@@ -5,11 +5,12 @@
 #ifndef CC_LAYERS_HEADS_UP_DISPLAY_LAYER_IMPL_H_
 #define CC_LAYERS_HEADS_UP_DISPLAY_LAYER_IMPL_H_
 
+#include <memory>
 #include <string>
 #include <vector>
 
 #include "base/macros.h"
-#include "base/memory/scoped_ptr.h"
+#include "base/memory/ptr_util.h"
 #include "base/time/time.h"
 #include "cc/base/cc_export.h"
 #include "cc/debug/debug_rect_history.h"
@@ -29,13 +30,14 @@ class PaintTimeCounter;
 
 class CC_EXPORT HeadsUpDisplayLayerImpl : public LayerImpl {
  public:
-  static scoped_ptr<HeadsUpDisplayLayerImpl> Create(LayerTreeImpl* tree_impl,
-                                                    int id) {
-    return make_scoped_ptr(new HeadsUpDisplayLayerImpl(tree_impl, id));
+  static std::unique_ptr<HeadsUpDisplayLayerImpl> Create(
+      LayerTreeImpl* tree_impl,
+      int id) {
+    return base::WrapUnique(new HeadsUpDisplayLayerImpl(tree_impl, id));
   }
   ~HeadsUpDisplayLayerImpl() override;
 
-  scoped_ptr<LayerImpl> CreateLayerImpl(LayerTreeImpl* tree_impl) override;
+  std::unique_ptr<LayerImpl> CreateLayerImpl(LayerTreeImpl* tree_impl) override;
 
   bool WillDraw(DrawMode draw_mode,
                 ResourceProvider* resource_provider) override;
@@ -129,7 +131,7 @@ class CC_EXPORT HeadsUpDisplayLayerImpl : public LayerImpl {
   void AcquireResource(ResourceProvider* resource_provider);
   void ReleaseUnmatchedSizeResources(ResourceProvider* resource_provider);
 
-  std::vector<scoped_ptr<ScopedResource>> resources_;
+  std::vector<std::unique_ptr<ScopedResource>> resources_;
   sk_sp<SkSurface> hud_surface_;
 
   skia::RefPtr<SkTypeface> typeface_;