Fix trailing whitespace in .cpp, .h, and .idl files

Source/core/page/animation/ImplicitAnimation.h

Index: Source/core/page/animation/ImplicitAnimation.h
diff --git a/Source/core/page/animation/ImplicitAnimation.h b/Source/core/page/animation/ImplicitAnimation.h
index 0e54587ef891f4ed327d04f7a608b9cde1c4f7c1..a33c2c937f1503651fc6b98c415fd03cf05b4662 100644
--- a/Source/core/page/animation/ImplicitAnimation.h
+++ b/Source/core/page/animation/ImplicitAnimation.h
@@ -6,13 +6,13 @@
  * are met:
  *
  * 1.  Redistributions of source code must retain the above copyright
- *     notice, this list of conditions and the following disclaimer. 
+ *     notice, this list of conditions and the following disclaimer.
  * 2.  Redistributions in binary form must reproduce the above copyright
  *     notice, this list of conditions and the following disclaimer in the
- *     documentation and/or other materials provided with the distribution. 
+ *     documentation and/or other materials provided with the distribution.
  * 3.  Neither the name of Apple Computer, Inc. ("Apple") nor the names of
  *     its contributors may be used to endorse or promote products derived
- *     from this software without specific prior written permission. 
+ *     from this software without specific prior written permission.
  *
  * THIS SOFTWARE IS PROVIDED BY APPLE AND ITS CONTRIBUTORS "AS IS" AND ANY
  * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
@@ -43,7 +43,7 @@ public:
     {
         return adoptRef(new ImplicitAnimation(animation, animatingProperty, renderer, compositeAnimation, fromStyle));
     };
-    
+
     CSSPropertyID transitionProperty() const { return m_transitionProperty; }
     CSSPropertyID animatingProperty() const { return m_animatingProperty; }
 
@@ -68,12 +68,12 @@ public:
     void blendPropertyValueInStyle(CSSPropertyID, RenderStyle*);
 
     virtual double timeToNextService();
-    
+
     bool active() const { return m_active; }
     void setActive(bool b) { m_active = b; }
 
 protected:
-    bool shouldSendEventForListener(Document::ListenerType) const;    
+    bool shouldSendEventForListener(Document::ListenerType) const;
     bool sendTransitionEvent(const AtomicString&, double elapsedTime);
 
     void validateTransformFunctionList();