Allow assertions to be enabled in Blink Release builds.

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 322 matching lines @@
 
 TEST_F(AnimationCompositorAnimationsTest, ConvertTimingForCompositorIterationCount)
 {
     m_timing.iterationCount = 5.0;
     EXPECT_TRUE(convertTimingForCompositor(m_timing, m_compositorTiming));
     EXPECT_EQ(5, m_compositorTiming.adjustedIterationCount);
 
     m_timing.iterationCount = 5.5;
     EXPECT_FALSE(convertTimingForCompositor(m_timing, m_compositorTiming));
 
-    // Asserts will only trigger on DEBUG build.
     // EXPECT_DEATH tests are flaky on Android.
-#if !defined(NDEBUG) && !OS(ANDROID)
+#if ENABLE(ASSERT) && !OS(ANDROID)
     m_timing.iterationCount = -1;
     EXPECT_DEATH(convertTimingForCompositor(m_timing, m_compositorTiming), "");
 #endif
 
     m_timing.iterationCount = std::numeric_limits<double>::infinity();
     EXPECT_TRUE(convertTimingForCompositor(m_timing, m_compositorTiming));
     EXPECT_EQ(-1, m_compositorTiming.adjustedIterationCount);
 
     m_timing.iterationCount = std::numeric_limits<double>::infinity();
     m_timing.iterationDuration = 5.0;
@@ skipping 576 matching lines @@
     // Go!
     setCompositorForTesting(mockCompositor);
     Vector<OwnPtr<blink::WebAnimation> > result;
     getAnimationOnCompositor(m_timing, *effect.get(), result);
     EXPECT_EQ(1U, result.size());
     result[0].clear();
 }
 
 
 } // namespace WebCore