cc: Replace Pass() with std::move() in some subdirs.

cc/trees/layer_tree_host_unittest_animation_timelines.cc

Index: cc/trees/layer_tree_host_unittest_animation_timelines.cc
diff --git a/cc/trees/layer_tree_host_unittest_animation_timelines.cc b/cc/trees/layer_tree_host_unittest_animation_timelines.cc
index 30b69ee1fb38692d59440014c940dbfa3239e549..da0c6ef56148d592db651d921fc9997a85a9e799 100644
--- a/cc/trees/layer_tree_host_unittest_animation_timelines.cc
+++ b/cc/trees/layer_tree_host_unittest_animation_timelines.cc
@@ -425,8 +425,8 @@ class LayerTreeHostTimelinesTestLayerAddedWithAnimation
       // Any valid AnimationCurve will do here.
       scoped_ptr<AnimationCurve> curve(new FakeFloatAnimationCurve());
       scoped_ptr<Animation> animation(
-          Animation::Create(curve.Pass(), 1, 1, Animation::OPACITY));
-      player_->AddAnimation(animation.Pass());
+          Animation::Create(std::move(curve), 1, 1, Animation::OPACITY));
+      player_->AddAnimation(std::move(animation));
 
       // We add the animation *before* attaching the layer to the tree.
       layer_tree_host()->root_layer()->AddChild(layer);
@@ -559,13 +559,13 @@ class LayerTreeHostTimelinesTestScrollOffsetChangesArePropagated
             ScrollOffsetAnimationCurve::Create(
                 gfx::ScrollOffset(500.f, 550.f),
                 EaseInOutTimingFunction::Create()));
-        scoped_ptr<Animation> animation(
-            Animation::Create(curve.Pass(), 1, 0, Animation::SCROLL_OFFSET));
+        scoped_ptr<Animation> animation(Animation::Create(
+            std::move(curve), 1, 0, Animation::SCROLL_OFFSET));
         animation->set_needs_synchronized_start_time(true);
         bool impl_scrolling_supported =
             layer_tree_host()->proxy()->SupportsImplScrolling();
         if (impl_scrolling_supported)
-          player_child_->AddAnimation(animation.Pass());
+          player_child_->AddAnimation(std::move(animation));
         else
           EndTest();
         break;
@@ -611,12 +611,12 @@ class LayerTreeHostTimelinesTestScrollOffsetAnimationRemoval
         ScrollOffsetAnimationCurve::Create(gfx::ScrollOffset(6500.f, 7500.f),
                                            EaseInOutTimingFunction::Create()));
     scoped_ptr<Animation> animation(
-        Animation::Create(curve.Pass(), 1, 0, Animation::SCROLL_OFFSET));
+        Animation::Create(std::move(curve), 1, 0, Animation::SCROLL_OFFSET));
     animation->set_needs_synchronized_start_time(true);
 
     AttachPlayersToTimeline();
     player_child_->AttachLayer(scroll_layer_->id());
-    player_child_->AddAnimation(animation.Pass());
+    player_child_->AddAnimation(std::move(animation));
   }
 
   void BeginTest() override { PostSetNeedsCommitToMainThread(); }