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

Source/wtf/OwnArrayPtr.h

Index: Source/wtf/OwnArrayPtr.h
diff --git a/Source/wtf/OwnArrayPtr.h b/Source/wtf/OwnArrayPtr.h
index cd02972cc27f8b91428bfce39326ff8e4c87167c..c039fbe82f943a87fb7127e62ea2e9b0d3ce4e0b 100644
--- a/Source/wtf/OwnArrayPtr.h
+++ b/Source/wtf/OwnArrayPtr.h
@@ -127,22 +127,22 @@ template <typename T> inline void swap(OwnArrayPtr<T>& a, OwnArrayPtr<T>& b)
 
 template<typename T, typename U> inline bool operator==(const OwnArrayPtr<T>& a, U* b)
 {
-    return a.get() == b; 
+    return a.get() == b;
 }
 
-template<typename T, typename U> inline bool operator==(T* a, const OwnArrayPtr<U>& b) 
+template<typename T, typename U> inline bool operator==(T* a, const OwnArrayPtr<U>& b)
 {
-    return a == b.get(); 
+    return a == b.get();
 }
 
 template<typename T, typename U> inline bool operator!=(const OwnArrayPtr<T>& a, U* b)
 {
-    return a.get() != b; 
+    return a.get() != b;
 }
 
 template<typename T, typename U> inline bool operator!=(T* a, const OwnArrayPtr<U>& b)
 {
-    return a != b.get(); 
+    return a != b.get();
 }
 
 template <typename T> inline T* getPtr(const OwnArrayPtr<T>& p)