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

Source/core/dom/QualifiedName.h

Index: Source/core/dom/QualifiedName.h
diff --git a/Source/core/dom/QualifiedName.h b/Source/core/dom/QualifiedName.h
index 3aaae9631752c14e2cd8ea3e76de41a6958fe73b..355ceeb9c70c3f8cd99485020c8e3c4170a0fffb 100644
--- a/Source/core/dom/QualifiedName.h
+++ b/Source/core/dom/QualifiedName.h
@@ -63,7 +63,7 @@ public:
             , m_namespace(namespaceURI)
         {
             ASSERT(!namespaceURI.isEmpty() || namespaceURI.isNull());
-        }        
+        }
     };
 
     QualifiedName(const AtomicString& prefix, const AtomicString& localName, const AtomicString& namespaceURI);
@@ -95,16 +95,16 @@ public:
     String toString() const;
 
     QualifiedNameImpl* impl() const { return m_impl; }
-    
+
     // Init routine for globals
     static void init();
-    
+
 private:
     void ref() const { m_impl->ref(); }
     void deref();
 
     static QualifiedNameImpl* hashTableDeletedValue() { return RefPtr<QualifiedNameImpl>::hashTableDeletedValue(); }
-    
+
     QualifiedNameImpl* m_impl;
 };
 
@@ -128,7 +128,7 @@ inline unsigned hashComponents(const QualifiedNameComponents& buf)
 struct QualifiedNameHash {
     static unsigned hash(const QualifiedName& name) { return hash(name.impl()); }
 
-    static unsigned hash(const QualifiedName::QualifiedNameImpl* name) 
+    static unsigned hash(const QualifiedName::QualifiedNameImpl* name)
     {
         if (!name->m_existingHash)
             name->m_existingHash = name->computeHash();
@@ -147,13 +147,13 @@ void createQualifiedName(void* targetAddress, StringImpl* name, const AtomicStri
 }
 
 namespace WTF {
-    
+
     template<typename T> struct DefaultHash;
 
     template<> struct DefaultHash<WebCore::QualifiedName> {
         typedef WebCore::QualifiedNameHash Hash;
     };
-    
+
     template<> struct HashTraits<WebCore::QualifiedName> : SimpleClassHashTraits<WebCore::QualifiedName> {
         static const bool emptyValueIsZero = false;
         static WebCore::QualifiedName emptyValue() { return WebCore::nullQName(); }