Move cc::LayerSettings to cc/layers/layer_settings.h.

cc/trees/layer_tree_settings.cc

 // Copyright 2011 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/trees/layer_tree_settings.h"
 
 #include <GLES2/gl2.h>
 #include <limits>
 
 #include "base/command_line.h"
 #include "base/logging.h"
 #include "base/strings/string_number_conversions.h"
 #include "ui/gfx/buffer_types.h"
 
 namespace cc {
 
-LayerSettings::LayerSettings() : use_compositor_animation_timelines(false) {
-}
-
-LayerSettings::~LayerSettings() {
-}
-
 LayerTreeSettings::LayerTreeSettings()
     : single_thread_proxy_scheduler(true),
       use_external_begin_frame_source(false),
       main_frame_before_activation_enabled(false),
       using_synchronous_renderer_compositor(false),
       accelerated_animation_enabled(true),
       can_use_lcd_text(true),
       use_distance_field_text(false),
       gpu_rasterization_enabled(false),
       gpu_rasterization_forced(false),
@@ skipping 54 matching lines @@
       timeout_and_draw_when_animation_checkerboards;
   scheduler_settings.using_synchronous_renderer_compositor =
       using_synchronous_renderer_compositor;
   scheduler_settings.throttle_frame_production = wait_for_beginframe_interval;
   scheduler_settings.background_frame_interval =
       base::TimeDelta::FromSecondsD(1.0 / background_animation_rate);
   return scheduler_settings;
 }
 
 }  // namespace cc