Fix trailing whitespace in .cpp, .h, and .idl files (ex. Source/core)

Source/modules/webaudio/DelayProcessor.h

Index: Source/modules/webaudio/DelayProcessor.h
diff --git a/Source/modules/webaudio/DelayProcessor.h b/Source/modules/webaudio/DelayProcessor.h
index 9d94670b5061d5179fb49519a2c8cd927db901ef..9e62a4c209cd357fe21c890c663873baf2f21e9e 100644
--- a/Source/modules/webaudio/DelayProcessor.h
+++ b/Source/modules/webaudio/DelayProcessor.h
@@ -34,14 +34,14 @@
 namespace WebCore {
 
 class AudioDSPKernel;
-    
+
 class DelayProcessor : public AudioDSPKernelProcessor {
 public:
     DelayProcessor(AudioContext*, float sampleRate, unsigned numberOfChannels, double maxDelayTime);
     virtual ~DelayProcessor();
-    
+
     virtual PassOwnPtr<AudioDSPKernel> createKernel();
-        
+
     AudioParam* delayTime() const { return m_delayTime.get(); }
 
     double maxDelayTime() { return m_maxDelayTime; }