Fixing some warnings on Linux

src/views/animated/SkScrollBarView.cpp

 
 /*
  * Copyright 2011 Google Inc.
  *
  * Use of this source code is governed by a BSD-style license that can be
  * found in the LICENSE file.
  */
 #include "SkScrollBarView.h"
 #include "SkAnimator.h"
 #include "SkWidgetViews.h"
@@ skipping 104 matching lines @@
     }
 
     return this->INHERITED::onEvent(evt);
 }
 
 void SkScrollBarView::adjust()
 {
     int total = fTotalLength;
     int start = fStartPoint;
     int shown = fShownLength;
-    int hideBar = 0;
+//    int hideBar = 0;
 
     if (total <= 0 || shown <= 0 || shown >= total)    // no bar to show
     {
         total = 1;        // avoid divide-by-zero. should be done by skin/script
-        hideBar = 1;    // signal we don't want a thumb
+//        hideBar = 1;    // signal we don't want a thumb
     }
     else
     {
         if (start + shown > total)
             start = total - shown;
     }
 
     SkEvent e("user");
     e.setString("id", "adjustScrollBar");
     e.setScalar("_totalLength", SkIntToScalar(total));
     e.setScalar("_startPoint", SkIntToScalar(start));
     e.setScalar("_shownLength", SkIntToScalar(shown));
 //    e.setS32("hideBar", hideBar);
     fAnim.doUserEvent(e);
 }