Use a bitfield to store animatable properties.

ui/compositor/layer_animator_unittest.cc

 // Copyright (c) 2012 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "ui/compositor/layer_animator.h"
 
 #include "base/basictypes.h"
 #include "base/compiler_specific.h"
 #include "base/memory/scoped_ptr.h"
 #include "base/strings/stringprintf.h"
@@ skipping 2167 matching lines @@
 
   EXPECT_FALSE(animator->is_animating());
   EXPECT_EQ(ColorToString(target_color),
             ColorToString(delegate.GetColorForAnimation()));
 }
 
 // Verifies SchedulePauseForProperties().
 TEST(LayerAnimatorTest, SchedulePauseForProperties) {
   scoped_refptr<LayerAnimator> animator(LayerAnimator::CreateDefaultAnimator());
   animator->set_preemption_strategy(LayerAnimator::ENQUEUE_NEW_ANIMATION);
-  animator->SchedulePauseForProperties(base::TimeDelta::FromMilliseconds(100),
-                                       LayerAnimationElement::TRANSFORM,
-                                       LayerAnimationElement::BOUNDS, -1);
+  animator->SchedulePauseForProperties(
+      base::TimeDelta::FromMilliseconds(100),
+      LayerAnimationElement::TRANSFORM | LayerAnimationElement::BOUNDS);
   EXPECT_TRUE(animator->IsAnimatingProperty(LayerAnimationElement::TRANSFORM));
   EXPECT_TRUE(animator->IsAnimatingProperty(LayerAnimationElement::BOUNDS));
   EXPECT_FALSE(animator->IsAnimatingProperty(LayerAnimationElement::OPACITY));
 }
 
 
 class AnimatorOwner {
 public:
   AnimatorOwner()
       : animator_(LayerAnimator::CreateDefaultAnimator()) {
@@ skipping 263 matching lines @@
 
   parent.SetTransform(parent_end);
 
   EXPECT_TRUE(child.GetAnimator()->is_animating());
   EXPECT_TRUE(child.GetTargetTransform().IsIdentity())
     << child.GetTargetTransform().ToString();
 
 }
 
 }  // namespace ui