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

cc/layers/scrollbar_geometry_stub.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_geometry_stub.h"
 
-#include <cmath>
+#include <algorithm>
 
 namespace cc {
 
 ScrollbarGeometryStub::ScrollbarGeometryStub(
     scoped_ptr<WebKit::WebScrollbarThemeGeometry> geometry)
     : geometry_(geometry.Pass()) {}
 
 ScrollbarGeometryStub::~ScrollbarGeometryStub() {}
 
 WebKit::WebScrollbarThemeGeometry* ScrollbarGeometryStub::clone() const {
@@ skipping 75 matching lines @@
     WebKit::WebRect& thumb_rect,
     WebKit::WebRect& after_thumb_rect) {
   geometry_->splitTrack(scrollbar,
                         unconstrained_track_rect,
                         before_thumb_rect,
                         thumb_rect,
                         after_thumb_rect);
 }
 
 }  // namespace cc