Fix cpplint errors in cc/(animation|input|layers|trees|test)/

cc/layers/scrollbar_layer.cc

 // Copyright 2012 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "cc/layers/scrollbar_layer.h"
 
 #include "base/basictypes.h"
 #include "base/debug/trace_event.h"
 #include "cc/layers/scrollbar_layer_impl.h"
 #include "cc/resources/caching_bitmap_content_layer_updater.h"
@@ skipping 175 matching lines @@
     bool thumb_present = geometry_->hasThumb(scrollbar_);
     if (thumb_present) {
       if (track_part_ == WebKit::WebScrollbar::ForwardTrackPart)
         painter_->PaintForwardTrackPart(canvas, track_paint_rect);
       else
         painter_->PaintBackTrackPart(canvas, track_paint_rect);
     }
 
     painter_->PaintTickmarks(canvas, track_paint_rect);
   }
+
  private:
   ScrollbarBackgroundPainter(WebKit::WebScrollbar* scrollbar,
                              ScrollbarThemePainter *painter,
                              WebKit::WebScrollbarThemeGeometry* geometry,
                              WebKit::WebScrollbar::ScrollbarPart trackPart)
       : scrollbar_(scrollbar),
         painter_(painter),
         geometry_(geometry),
         track_part_(trackPart) {}
 
@@ skipping 225 matching lines @@
                thumb_.get(),
                origin_thumb_rect,
                queue,
                stats);
   }
 
   dirty_rect_ = gfx::RectF();
 }
 
 }  // namespace cc