Initialized the progress variable.

third_party/WebKit/WebCore/page/animation/KeyframeAnimation.cpp

 /*
  * Copyright (C) 2007 Apple 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:
  *
  * 1.  Redistributions of source code must retain the above copyright
  *     notice, this list of conditions and the following disclaimer. 
  * 2.  Redistributions in binary form must reproduce the above copyright
@@ skipping 204 matching lines @@
     if (!animatedStyle)
         animatedStyle = RenderStyle::clone(m_object->style());
 
     HashSet<int>::const_iterator endProperties = m_keyframes.endProperties();
     for (HashSet<int>::const_iterator it = m_keyframes.beginProperties(); it != endProperties; ++it) {
         int property = *it;
 
         // Get the from/to styles and progress between
         const RenderStyle* fromStyle = 0;
         const RenderStyle* toStyle = 0;
-        double progress;
+        double progress = 0;
         fetchIntervalEndpointsForProperty(property, fromStyle, toStyle, progress);
 
         blendProperties(this, property, animatedStyle.get(), fromStyle, toStyle, progress);
     }
 }
 
 bool KeyframeAnimation::hasAnimationForProperty(int property) const
 {
     // FIXME: why not just m_keyframes.containsProperty()?
     HashSet<int>::const_iterator end = m_keyframes.endProperties();
@@ skipping 212 matching lines @@
 
     if (acceleratedPropertiesOnly) {
         bool isLooping;
         getTimeToNextEvent(t, isLooping);
     }
 #endif
     return t;
 }
 
 } // namespace WebCore