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

cc/test/test_hooks.h

Index: cc/test/test_hooks.h
diff --git a/cc/test/test_hooks.h b/cc/test/test_hooks.h
index d8d9e1a24495ce4bcf9b1f47a892cf41d6268261..918b0dbcdc931d1c3e68d1cbf1a5c231949a546f 100644
--- a/cc/test/test_hooks.h
+++ b/cc/test/test_hooks.h
@@ -26,8 +26,8 @@ class TestHooks : public AnimationDelegate {
 
   virtual void CreateResourceAndTileTaskWorkerPool(
       LayerTreeHostImpl* host_impl,
-      scoped_ptr<TileTaskWorkerPool>* tile_task_worker_pool,
-      scoped_ptr<ResourcePool>* resource_pool);
+      std::unique_ptr<TileTaskWorkerPool>* tile_task_worker_pool,
+      std::unique_ptr<ResourcePool>* resource_pool);
   virtual void WillBeginImplFrameOnThread(LayerTreeHostImpl* host_impl,
                                           const BeginFrameArgs& args) {}
   virtual void DidFinishImplFrameOnThread(LayerTreeHostImpl* host_impl) {}
@@ -139,7 +139,8 @@ class TestHooks : public AnimationDelegate {
   void NotifyAnimationTakeover(base::TimeTicks monotonic_time,
                                TargetProperty::Type target_property,
                                double animation_start_time,
-                               scoped_ptr<AnimationCurve> curve) override {}
+                               std::unique_ptr<AnimationCurve> curve) override {
+  }
 
   virtual void RequestNewOutputSurface() = 0;