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

Source/bindings/v8/RetainedDOMInfo.cpp

 /*
  * Copyright (C) 2011 Google 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:
- * 
+ *
  *     * Redistributions of source code must retain the above copyright
  * notice, this list of conditions and the following disclaimer.
  *     * 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.
  *     * Neither the name of Google Inc. nor the names of its
  * contributors may be used to endorse or promote products derived from
  * this software without specific prior written permission.
- * 
+ *
  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
  * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
  * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
  * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
  * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
  * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
  * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
@@ skipping 30 matching lines @@
         return true;
     if (strcmp(GetLabel(), other->GetLabel()))
         return false;
     return static_cast<WebCore::RetainedObjectInfo*>(other)->GetEquivalenceClass() == this->GetEquivalenceClass();
 }
 
 intptr_t RetainedDOMInfo::GetHash()
 {
     return PtrHash<void*>::hash(m_root);
 }
-    
+
 const char* RetainedDOMInfo::GetGroupLabel()
 {
     return m_root->inDocument() ? "(Document DOM trees)" : "(Detached DOM trees)";
 }
 
 const char* RetainedDOMInfo::GetLabel()
 {
     return m_root->inDocument() ? "Document DOM tree" : "Detached DOM tree";
 }
 
 intptr_t RetainedDOMInfo::GetElementCount()
 {
     intptr_t count = 1;
     Node* current = m_root;
     while (current) {
         current = NodeTraversal::next(current, m_root);
         ++count;
     }
     return count;
 }
 
 intptr_t RetainedDOMInfo::GetEquivalenceClass()
 {
     return reinterpret_cast<intptr_t>(m_root);
 }
 
 } // namespace WebCore