Avoid RenderObject::paintInvalidationForWholeRenderer() if possible

Source/core/html/forms/FileInputType.cpp

 /*
  * Copyright (C) 2004, 2005, 2006, 2007, 2008, 2009, 2010, 2011 Apple Inc. All rights reserved.
  * Copyright (C) 2010 Google Inc. All rights reserved.
  *
  * This library is free software; you can redistribute it and/or
  * modify it under the terms of the GNU Library General Public
  * License as published by the Free Software Foundation; either
  * version 2 of the License, or (at your option) any later version.
  *
  * This library is distributed in the hope that it will be useful,
@@ skipping 286 matching lines @@
             }
         }
     }
 
     m_fileList = files;
 
     input->notifyFormStateChanged();
     input->setNeedsValidityCheck();
 
     if (input->renderer())
-        input->renderer()->paintInvalidationForWholeRenderer();
+        input->renderer()->setShouldDoFullPaintInvalidation(true);
 
     if (pathsChanged) {
         // This call may cause destruction of this instance.
         // input instance is safe since it is ref-counted.
         input->dispatchChangeEvent();
     }
     input->setChangedSinceLastFormControlChangeEvent(false);
 }
 
 void FileInputType::filesChosen(const Vector<FileChooserFileInfo>& files)
@@ skipping 60 matching lines @@
     StringBuilder names;
     for (size_t i = 0; i < listSize; ++i) {
         names.append(fileList->item(i)->name());
         if (i != listSize - 1)
             names.append('\n');
     }
     return names.toString();
 }
 
 } // namespace blink