Remove parts of //cc we aren't using

cc/debug/layer_tree_debug_state.cc

Index: cc/debug/layer_tree_debug_state.cc
diff --git a/cc/debug/layer_tree_debug_state.cc b/cc/debug/layer_tree_debug_state.cc
deleted file mode 100644
index e840220ca6f88799ca432d6a736fc3a15258dfc9..0000000000000000000000000000000000000000
--- a/cc/debug/layer_tree_debug_state.cc
+++ /dev/null
@@ -1,110 +0,0 @@
-// 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/debug/layer_tree_debug_state.h"
-
-#include "base/logging.h"
-
-namespace cc {
-
-// IMPORTANT: new fields must be added to Equal() and Unite()
-LayerTreeDebugState::LayerTreeDebugState()
-    : show_fps_counter(false),
-      show_debug_borders(false),
-      continuous_painting(false),
-      show_paint_rects(false),
-      show_property_changed_rects(false),
-      show_surface_damage_rects(false),
-      show_screen_space_rects(false),
-      show_replica_screen_space_rects(false),
-      show_touch_event_handler_rects(false),
-      show_wheel_event_handler_rects(false),
-      show_scroll_event_handler_rects(false),
-      show_non_fast_scrollable_rects(false),
-      show_layer_animation_bounds_rects(false),
-      slow_down_raster_scale_factor(0),
-      rasterize_only_visible_content(false),
-      show_picture_borders(false),
-      record_rendering_stats_(false) {}
-
-LayerTreeDebugState::~LayerTreeDebugState() {}
-
-void LayerTreeDebugState::SetRecordRenderingStats(bool enabled) {
-  record_rendering_stats_ = enabled;
-}
-
-bool LayerTreeDebugState::RecordRenderingStats() const {
-  return record_rendering_stats_ || continuous_painting;
-}
-
-bool LayerTreeDebugState::ShowHudInfo() const {
-  return show_fps_counter || continuous_painting ||
-         ShowHudRects();
-}
-
-bool LayerTreeDebugState::ShowHudRects() const {
-  return show_paint_rects || show_property_changed_rects ||
-         show_surface_damage_rects || show_screen_space_rects ||
-         show_replica_screen_space_rects || show_touch_event_handler_rects ||
-         show_wheel_event_handler_rects || show_scroll_event_handler_rects ||
-         show_non_fast_scrollable_rects || show_layer_animation_bounds_rects;
-}
-
-bool LayerTreeDebugState::ShowMemoryStats() const {
-  return show_fps_counter || continuous_painting;
-}
-
-bool LayerTreeDebugState::Equal(const LayerTreeDebugState& a,
-                                const LayerTreeDebugState& b) {
-  return (
-      a.show_fps_counter == b.show_fps_counter &&
-      a.show_debug_borders == b.show_debug_borders &&
-      a.continuous_painting == b.continuous_painting &&
-      a.show_paint_rects == b.show_paint_rects &&
-      a.show_property_changed_rects == b.show_property_changed_rects &&
-      a.show_surface_damage_rects == b.show_surface_damage_rects &&
-      a.show_screen_space_rects == b.show_screen_space_rects &&
-      a.show_replica_screen_space_rects == b.show_replica_screen_space_rects &&
-      a.show_touch_event_handler_rects == b.show_touch_event_handler_rects &&
-      a.show_wheel_event_handler_rects == b.show_wheel_event_handler_rects &&
-      a.show_scroll_event_handler_rects == b.show_scroll_event_handler_rects &&
-      a.show_non_fast_scrollable_rects == b.show_non_fast_scrollable_rects &&
-      a.show_layer_animation_bounds_rects ==
-          b.show_layer_animation_bounds_rects &&
-      a.slow_down_raster_scale_factor == b.slow_down_raster_scale_factor &&
-      a.rasterize_only_visible_content == b.rasterize_only_visible_content &&
-      a.show_picture_borders == b.show_picture_borders &&
-      a.record_rendering_stats_ == b.record_rendering_stats_);
-}
-
-LayerTreeDebugState LayerTreeDebugState::Unite(const LayerTreeDebugState& a,
-                                               const LayerTreeDebugState& b) {
-  LayerTreeDebugState r(a);
-
-  r.show_fps_counter |= b.show_fps_counter;
-  r.show_debug_borders |= b.show_debug_borders;
-  r.continuous_painting |= b.continuous_painting;
-
-  r.show_paint_rects |= b.show_paint_rects;
-  r.show_property_changed_rects |= b.show_property_changed_rects;
-  r.show_surface_damage_rects |= b.show_surface_damage_rects;
-  r.show_screen_space_rects |= b.show_screen_space_rects;
-  r.show_replica_screen_space_rects |= b.show_replica_screen_space_rects;
-  r.show_touch_event_handler_rects |= b.show_touch_event_handler_rects;
-  r.show_wheel_event_handler_rects |= b.show_wheel_event_handler_rects;
-  r.show_scroll_event_handler_rects |= b.show_scroll_event_handler_rects;
-  r.show_non_fast_scrollable_rects |= b.show_non_fast_scrollable_rects;
-  r.show_layer_animation_bounds_rects |= b.show_layer_animation_bounds_rects;
-
-  if (b.slow_down_raster_scale_factor)
-    r.slow_down_raster_scale_factor = b.slow_down_raster_scale_factor;
-  r.rasterize_only_visible_content |= b.rasterize_only_visible_content;
-  r.show_picture_borders |= b.show_picture_borders;
-
-  r.record_rendering_stats_ |= b.record_rendering_stats_;
-
-  return r;
-}
-
-}  // namespace cc