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

Source/core/loader/archive/ArchiveResourceCollection.h

Index: Source/core/loader/archive/ArchiveResourceCollection.h
diff --git a/Source/core/loader/archive/ArchiveResourceCollection.h b/Source/core/loader/archive/ArchiveResourceCollection.h
index 7b5ae621be85b54d5fb2edca1c86f64dc784d26d..4b66573f69ee06d3f22a53478b122f8dd9f8d487 100644
--- a/Source/core/loader/archive/ArchiveResourceCollection.h
+++ b/Source/core/loader/archive/ArchiveResourceCollection.h
@@ -45,11 +45,11 @@ public:
 
     void addResource(PassRefPtr<ArchiveResource>);
     void addAllResources(MHTMLArchive*);
-    
+
     ArchiveResource* archiveResourceForURL(const KURL&);
     PassRefPtr<MHTMLArchive> popSubframeArchive(const String& frameName, const KURL&);
-    
-private:    
+
+private:
     HashMap<String, RefPtr<ArchiveResource> > m_subresources;
     HashMap<String, RefPtr<MHTMLArchive> > m_subframes;
 };