CC Animation: Erase cc::LayerSettings everywhere.

ui/compositor/compositor.cc

 // Copyright (c) 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 "ui/compositor/compositor.h"
 
 #include <stddef.h>
 
 #include <algorithm>
 #include <deque>
 #include <utility>
 
 #include "base/bind.h"
 #include "base/command_line.h"
 #include "base/message_loop/message_loop.h"
 #include "base/metrics/histogram.h"
 #include "base/strings/string_util.h"
 #include "base/sys_info.h"
 #include "base/trace_event/trace_event.h"
 #include "build/build_config.h"
 #include "cc/animation/animation_host.h"
 #include "cc/animation/animation_id_provider.h"
 #include "cc/animation/animation_timeline.h"
 #include "cc/base/switches.h"
 #include "cc/input/input_handler.h"
 #include "cc/layers/layer.h"
-#include "cc/layers/layer_settings.h"
 #include "cc/output/begin_frame_args.h"
 #include "cc/output/context_provider.h"
 #include "cc/output/latency_info_swap_promise.h"
 #include "cc/scheduler/begin_frame_source.h"
 #include "cc/surfaces/surface_id_allocator.h"
 #include "cc/trees/layer_tree_host.h"
 #include "third_party/skia/include/core/SkBitmap.h"
 #include "ui/compositor/compositor_observer.h"
 #include "ui/compositor/compositor_switches.h"
 #include "ui/compositor/compositor_vsync_manager.h"
@@ skipping 43 matching lines @@
       surface_id_allocator_(context_factory->CreateSurfaceIdAllocator()),
       task_runner_(task_runner),
       vsync_manager_(new CompositorVSyncManager()),
       device_scale_factor_(0.0f),
       last_started_frame_(0),
       last_ended_frame_(0),
       locks_will_time_out_(true),
       compositor_lock_(NULL),
       layer_animator_collection_(this),
       weak_ptr_factory_(this) {
-  root_web_layer_ = cc::Layer::Create(cc::LayerSettings());
+  root_web_layer_ = cc::Layer::Create();
 
   base::CommandLine* command_line = base::CommandLine::ForCurrentProcess();
 
   cc::LayerTreeSettings settings;
 
   // This will ensure PictureLayers always can have LCD text, to match the
   // previous behaviour with ContentLayers, where LCD-not-allowed notifications
   // were ignored.
   settings.layers_always_allowed_lcd_text = true;
   // Use occlusion to allow more overlapping windows to take less memory.
@@ skipping 86 matching lines @@
   params.shared_bitmap_manager = context_factory_->GetSharedBitmapManager();
   params.gpu_memory_buffer_manager =
       context_factory_->GetGpuMemoryBufferManager();
   params.task_graph_runner = context_factory_->GetTaskGraphRunner();
   params.settings = &settings;
   params.main_task_runner = task_runner_;
   host_ = cc::LayerTreeHost::CreateSingleThreaded(this, &params);
   UMA_HISTOGRAM_TIMES("GPU.CreateBrowserCompositor",
                       base::TimeTicks::Now() - before_create);
 
-  if (settings.use_compositor_animation_timelines) {
-    animation_timeline_ = cc::AnimationTimeline::Create(
-        cc::AnimationIdProvider::NextTimelineId());
-    host_->animation_host()->AddAnimationTimeline(animation_timeline_.get());
-  }
+  animation_timeline_ =
+      cc::AnimationTimeline::Create(cc::AnimationIdProvider::NextTimelineId());
+  host_->animation_host()->AddAnimationTimeline(animation_timeline_.get());
+
   host_->SetRootLayer(root_web_layer_);
   host_->set_surface_id_namespace(surface_id_allocator_->id_namespace());
   host_->SetVisible(true);
 }
 
 Compositor::~Compositor() {
   TRACE_EVENT0("shutdown", "Compositor::destructor");
 
   CancelCompositorLock();
   DCHECK(!compositor_lock_);
@@ skipping 307 matching lines @@
                     observer_list_,
                     OnCompositingLockStateChanged(this));
 }
 
 void Compositor::CancelCompositorLock() {
   if (compositor_lock_)
     compositor_lock_->CancelLock();
 }
 
 }  // namespace ui