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

Source/core/page/Location.cpp

Index: Source/core/page/Location.cpp
diff --git a/Source/core/page/Location.cpp b/Source/core/page/Location.cpp
index d1101fa4c2d68dce52da5ae6401dfcbd615df99b..8c9607cbeda2749f7309b4d51646fe4079a1dfa5 100644
--- a/Source/core/page/Location.cpp
+++ b/Source/core/page/Location.cpp
@@ -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
@@ -222,9 +222,9 @@ void Location::setHash(DOMWindow* activeWindow, DOMWindow* firstWindow, const St
     if (hash[0] == '#')
         newFragmentIdentifier = hash.substring(1);
     url.setFragmentIdentifier(newFragmentIdentifier);
-    // Note that by parsing the URL and *then* comparing fragments, we are 
-    // comparing fragments post-canonicalization, and so this handles the 
-    // cases where fragment identifiers are ignored or invalid. 
+    // Note that by parsing the URL and *then* comparing fragments, we are
+    // comparing fragments post-canonicalization, and so this handles the
+    // cases where fragment identifiers are ignored or invalid.
     if (equalIgnoringNullity(oldFragmentIdentifier, url.fragmentIdentifier()))
         return;
     setLocation(url.string(), activeWindow, firstWindow);