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

cc/input/pinch_zoom_scrollbar_painter.cc

 // Copyright 2013 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/input/pinch_zoom_scrollbar_painter.h"
 
 #include "third_party/skia/include/core/SkCanvas.h"
 #include "ui/gfx/rect.h"
 
 namespace cc {
@@ skipping 34 matching lines @@
     SkCanvas* canvas,
     gfx::Rect rect) {
 }
 
 void PinchZoomScrollbarPainter::PaintForwardButtonEnd(
     SkCanvas* canvas,
     gfx::Rect rect) {
 }
 
 void PinchZoomScrollbarPainter::PaintTickmarks(
-    SkCanvas* canvas, 
+    SkCanvas* canvas,
     gfx::Rect rect) {
 }
 
 void PinchZoomScrollbarPainter::PaintThumb(
     SkCanvas* canvas,
     gfx::Rect thumb_rect) {
   canvas->clear(SkColorSetARGB(0, 0, 0, 0));
   SkPaint paint;
 
   // TODO(wjmaclean): currently the pinch-zoom overlay scrollbars are
   // drawn as grey, but need to check this with UX design.
   paint.setColor(SkColorSetARGB(128, 32, 32, 32));
   SkScalar border = 2;
   SkScalar corner_radius = 2;
   SkRect rect = SkRect::MakeXYWH(border, border,
                                  thumb_rect.width() - 2 * border,
                                  thumb_rect.height() - 2 * border);
   canvas->drawRoundRect(rect, corner_radius, corner_radius, paint);
 }
 
 }  // namespace cc