Removed PassRefPtr to RefPtr copies from unit tests.

third_party/WebKit/Source/core/animation/CompositorAnimationsTest.cpp

 /*
  * Copyright (c) 2013, Google Inc. All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions are
  * met:
  *
  *     * Redistributions of source code must retain the above copyright
  * notice, this list of conditions and the following disclaimer.
  *     * Redistributions in binary form must reproduce the above
@@ skipping 224 matching lines @@
       RefPtr<AnimatableTransform> value =
           AnimatableTransform::Create(values[i], 1);
       frames->push_back(
           CreateReplaceOpKeyframe(CSSPropertyTransform, value.Get(), offset)
               .Get());
     }
     return frames;
   }
 
   AnimatableValueKeyframeEffectModel* CreateKeyframeEffectModel(
-      PassRefPtr<AnimatableValueKeyframe> prp_from,
-      PassRefPtr<AnimatableValueKeyframe> prp_to,
-      PassRefPtr<AnimatableValueKeyframe> prp_c = nullptr,
-      PassRefPtr<AnimatableValueKeyframe> prp_d = nullptr) {
-    RefPtr<AnimatableValueKeyframe> from = prp_from;
-    RefPtr<AnimatableValueKeyframe> to = prp_to;
-    RefPtr<AnimatableValueKeyframe> c = prp_c;
-    RefPtr<AnimatableValueKeyframe> d = prp_d;
-
+      RefPtr<AnimatableValueKeyframe> from,
+      RefPtr<AnimatableValueKeyframe> to,
+      RefPtr<AnimatableValueKeyframe> c = nullptr,
+      RefPtr<AnimatableValueKeyframe> d = nullptr) {
     EXPECT_EQ(from->Offset(), 0);
     AnimatableValueKeyframeVector frames;
     frames.push_back(from);
     EXPECT_LE(from->Offset(), to->Offset());
     frames.push_back(to);
     if (c) {
       EXPECT_LE(to->Offset(), c->Offset());
       frames.push_back(c);
     }
     if (d) {
@@ skipping 1060 matching lines @@
 
   // Clearing the effect node entirely should also produce false.
   properties.ClearEffect();
   EXPECT_FALSE(CompositorAnimations::CanStartAnimationOnCompositor(*element));
 
   element->SetLayoutObject(nullptr);
   LayoutObjectProxy::Dispose(layout_object);
 }
 
 }  // namespace blink