cc/blimp: Remove the LayerTreeSettings serialization.

cc/trees/layer_tree_settings.cc

Index: cc/trees/layer_tree_settings.cc
diff --git a/cc/trees/layer_tree_settings.cc b/cc/trees/layer_tree_settings.cc
index 66d1c48976a4b9a427e20aaa924bb60095e2108a..60ac1dc4e5d41c94740f4e18d823b197c617fdb4 100644
--- a/cc/trees/layer_tree_settings.cc
+++ b/cc/trees/layer_tree_settings.cc
@@ -5,47 +5,10 @@
 #include "cc/trees/layer_tree_settings.h"
 
 #include "cc/proto/gfx_conversions.h"
-#include "cc/proto/layer_tree_settings.pb.h"
 #include "third_party/khronos/GLES2/gl2.h"
 
 namespace cc {
 
-namespace {
-
-proto::LayerTreeSettings_ScrollbarAnimator
-LayerTreeSettingsScrollbarAnimatorToProto(
-    const LayerTreeSettings::ScrollbarAnimator& animator) {
-  switch (animator) {
-    case LayerTreeSettings::ScrollbarAnimator::NO_ANIMATOR:
-      return proto::LayerTreeSettings_ScrollbarAnimator_NO_ANIMATOR;
-    case LayerTreeSettings::ScrollbarAnimator::LINEAR_FADE:
-      return proto::LayerTreeSettings_ScrollbarAnimator_LINEAR_FADE;
-    case LayerTreeSettings::ScrollbarAnimator::THINNING:
-      return proto::LayerTreeSettings_ScrollbarAnimator_THINNING;
-  }
-  NOTREACHED() << "proto::LayerTreeSettings_ScrollbarAnimator_UNKNOWN";
-  return proto::LayerTreeSettings_ScrollbarAnimator_UNKNOWN;
-}
-
-LayerTreeSettings::ScrollbarAnimator
-LayerTreeSettingsScrollbarAnimatorFromProto(
-    const proto::LayerTreeSettings_ScrollbarAnimator& animator) {
-  switch (animator) {
-    case proto::LayerTreeSettings_ScrollbarAnimator_NO_ANIMATOR:
-      return LayerTreeSettings::ScrollbarAnimator::NO_ANIMATOR;
-    case proto::LayerTreeSettings_ScrollbarAnimator_LINEAR_FADE:
-      return LayerTreeSettings::ScrollbarAnimator::LINEAR_FADE;
-    case proto::LayerTreeSettings_ScrollbarAnimator_THINNING:
-      return LayerTreeSettings::ScrollbarAnimator::THINNING;
-    case proto::LayerTreeSettings_ScrollbarAnimator_UNKNOWN:
-      NOTREACHED() << "proto::LayerTreeSettings_ScrollbarAnimator_UNKNOWN";
-      return LayerTreeSettings::ScrollbarAnimator::NO_ANIMATOR;
-  }
-  return LayerTreeSettings::ScrollbarAnimator::NO_ANIMATOR;
-}
-
-}  // namespace
-
 LayerTreeSettings::LayerTreeSettings()
     : default_tile_size(gfx::Size(256, 256)),
       max_untiled_layer_size(gfx::Size(512, 512)),
@@ -122,121 +85,6 @@ bool LayerTreeSettings::operator==(const LayerTreeSettings& other) const {
          use_cached_picture_raster == other.use_cached_picture_raster;
 }
 
-void LayerTreeSettings::ToProtobuf(proto::LayerTreeSettings* proto) const {
-  renderer_settings.ToProtobuf(proto->mutable_renderer_settings());
-  proto->set_single_thread_proxy_scheduler(single_thread_proxy_scheduler);
-  proto->set_use_external_begin_frame_source(use_external_begin_frame_source);
-  proto->set_main_frame_before_activation_enabled(
-      main_frame_before_activation_enabled);
-  proto->set_using_synchronous_renderer_compositor(
-      using_synchronous_renderer_compositor);
-  proto->set_can_use_lcd_text(can_use_lcd_text);
-  proto->set_use_distance_field_text(use_distance_field_text);
-  proto->set_gpu_rasterization_enabled(gpu_rasterization_enabled);
-  proto->set_gpu_rasterization_forced(gpu_rasterization_forced);
-  proto->set_async_worker_context_enabled(async_worker_context_enabled);
-  proto->set_gpu_rasterization_msaa_sample_count(
-      gpu_rasterization_msaa_sample_count);
-  proto->set_create_low_res_tiling(create_low_res_tiling);
-  proto->set_scrollbar_animator(
-      LayerTreeSettingsScrollbarAnimatorToProto(scrollbar_animator));
-  proto->set_scrollbar_fade_delay_ms(scrollbar_fade_delay_ms);
-  proto->set_scrollbar_fade_resize_delay_ms(scrollbar_fade_resize_delay_ms);
-  proto->set_scrollbar_fade_duration_ms(scrollbar_fade_duration_ms);
-  proto->set_solid_color_scrollbar_color(solid_color_scrollbar_color);
-  proto->set_timeout_and_draw_when_animation_checkerboards(
-      timeout_and_draw_when_animation_checkerboards);
-  proto->set_layer_transforms_should_scale_layer_contents(
-      layer_transforms_should_scale_layer_contents);
-  proto->set_layers_always_allowed_lcd_text(layers_always_allowed_lcd_text);
-  proto->set_minimum_contents_scale(minimum_contents_scale);
-  proto->set_low_res_contents_scale_factor(low_res_contents_scale_factor);
-  proto->set_top_controls_show_threshold(top_controls_show_threshold);
-  proto->set_top_controls_hide_threshold(top_controls_hide_threshold);
-  proto->set_background_animation_rate(background_animation_rate);
-  SizeToProto(default_tile_size, proto->mutable_default_tile_size());
-  SizeToProto(max_untiled_layer_size, proto->mutable_max_untiled_layer_size());
-  SizeToProto(minimum_occlusion_tracking_size,
-              proto->mutable_minimum_occlusion_tracking_size());
-  proto->set_tiling_interest_area_padding(tiling_interest_area_padding);
-  proto->set_skewport_target_time_in_seconds(skewport_target_time_in_seconds);
-  proto->set_skewport_extrapolation_limit_in_screen_pixels(
-      skewport_extrapolation_limit_in_screen_pixels);
-  proto->set_max_memory_for_prepaint_percentage(
-      max_memory_for_prepaint_percentage);
-  proto->set_use_zero_copy(use_zero_copy);
-  proto->set_use_partial_raster(use_partial_raster);
-  proto->set_enable_elastic_overscroll(enable_elastic_overscroll);
-  proto->set_ignore_root_layer_flings(ignore_root_layer_flings);
-  proto->set_scheduled_raster_task_limit(scheduled_raster_task_limit);
-  proto->set_use_occlusion_for_tile_prioritization(
-      use_occlusion_for_tile_prioritization);
-  proto->set_image_decode_tasks_enabled(image_decode_tasks_enabled);
-  proto->set_wait_for_beginframe_interval(wait_for_beginframe_interval);
-  proto->set_max_staging_buffer_usage_in_bytes(
-      max_staging_buffer_usage_in_bytes);
-  memory_policy_.ToProtobuf(proto->mutable_memory_policy());
-  initial_debug_state.ToProtobuf(proto->mutable_initial_debug_state());
-  proto->set_use_cached_picture_raster(use_cached_picture_raster);
-}
-
-void LayerTreeSettings::FromProtobuf(const proto::LayerTreeSettings& proto) {
-  renderer_settings.FromProtobuf(proto.renderer_settings());
-  single_thread_proxy_scheduler = proto.single_thread_proxy_scheduler();
-  use_external_begin_frame_source = proto.use_external_begin_frame_source();
-  main_frame_before_activation_enabled =
-      proto.main_frame_before_activation_enabled();
-  using_synchronous_renderer_compositor =
-      proto.using_synchronous_renderer_compositor();
-  can_use_lcd_text = proto.can_use_lcd_text();
-  use_distance_field_text = proto.use_distance_field_text();
-  gpu_rasterization_enabled = proto.gpu_rasterization_enabled();
-  gpu_rasterization_forced = proto.gpu_rasterization_forced();
-  async_worker_context_enabled = proto.async_worker_context_enabled();
-  gpu_rasterization_msaa_sample_count =
-      proto.gpu_rasterization_msaa_sample_count();
-  create_low_res_tiling = proto.create_low_res_tiling();
-  scrollbar_animator =
-      LayerTreeSettingsScrollbarAnimatorFromProto(proto.scrollbar_animator());
-  scrollbar_fade_delay_ms = proto.scrollbar_fade_delay_ms();
-  scrollbar_fade_resize_delay_ms = proto.scrollbar_fade_resize_delay_ms();
-  scrollbar_fade_duration_ms = proto.scrollbar_fade_duration_ms();
-  solid_color_scrollbar_color = proto.solid_color_scrollbar_color();
-  timeout_and_draw_when_animation_checkerboards =
-      proto.timeout_and_draw_when_animation_checkerboards();
-  layer_transforms_should_scale_layer_contents =
-      proto.layer_transforms_should_scale_layer_contents();
-  layers_always_allowed_lcd_text = proto.layers_always_allowed_lcd_text();
-  minimum_contents_scale = proto.minimum_contents_scale();
-  low_res_contents_scale_factor = proto.low_res_contents_scale_factor();
-  top_controls_show_threshold = proto.top_controls_show_threshold();
-  top_controls_hide_threshold = proto.top_controls_hide_threshold();
-  background_animation_rate = proto.background_animation_rate();
-  default_tile_size = ProtoToSize(proto.default_tile_size());
-  max_untiled_layer_size = ProtoToSize(proto.max_untiled_layer_size());
-  minimum_occlusion_tracking_size =
-      ProtoToSize(proto.minimum_occlusion_tracking_size());
-  tiling_interest_area_padding = proto.tiling_interest_area_padding();
-  skewport_target_time_in_seconds = proto.skewport_target_time_in_seconds();
-  skewport_extrapolation_limit_in_screen_pixels =
-      proto.skewport_extrapolation_limit_in_screen_pixels();
-  max_memory_for_prepaint_percentage =
-      proto.max_memory_for_prepaint_percentage();
-  use_zero_copy = proto.use_zero_copy();
-  use_partial_raster = proto.use_partial_raster();
-  enable_elastic_overscroll = proto.enable_elastic_overscroll();
-  ignore_root_layer_flings = proto.ignore_root_layer_flings();
-  scheduled_raster_task_limit = proto.scheduled_raster_task_limit();
-  use_occlusion_for_tile_prioritization =
-      proto.use_occlusion_for_tile_prioritization();
-  image_decode_tasks_enabled = proto.image_decode_tasks_enabled();
-  wait_for_beginframe_interval = proto.wait_for_beginframe_interval();
-  max_staging_buffer_usage_in_bytes = proto.max_staging_buffer_usage_in_bytes();
-  memory_policy_.FromProtobuf(proto.memory_policy());
-  initial_debug_state.FromProtobuf(proto.initial_debug_state());
-  use_cached_picture_raster = proto.use_cached_picture_raster();
-}
-
 SchedulerSettings LayerTreeSettings::ToSchedulerSettings() const {
   SchedulerSettings scheduler_settings;
   scheduler_settings.use_external_begin_frame_source =