CC Animation: Erase cc::LayerSettings everywhere.

Also, erase LayerTreeSettings::use_compositor_animation_timelines flag.

BUG=575041
CQ_INCLUDE_TRYBOTS=tryserver.blink:linux_blink_rel

Review URL: https://codereview.chromium.org/1783613004

Cr-Commit-Position: refs/heads/master@{#380914}

7 files changed, 9 insertions, 22 deletions

diff --git a/cc/blink/web_content_layer_impl.cc b/cc/blink/web_content_layer_impl.cc
index c55f2ec..b7a855c 100644
--- a/cc/blink/web_content_layer_impl.cc
+++ b/cc/blink/web_content_layer_impl.cc
@@ -9,7 +9,6 @@
 #include "base/command_line.h"
 #include "cc/base/switches.h"
 #include "cc/blink/web_display_item_list_impl.h"
-#include "cc/layers/layer_settings.h"
 #include "cc/layers/picture_layer.h"
 #include "cc/playback/display_item_list_settings.h"
 #include "third_party/WebKit/public/platform/WebContentLayerClient.h"
@@ -52,8 +51,7 @@ PaintingControlToWeb(
 
 WebContentLayerImpl::WebContentLayerImpl(blink::WebContentLayerClient* client)
     : client_(client) {
-  layer_ = make_scoped_ptr(
-      new WebLayerImpl(PictureLayer::Create(cc::LayerSettings(), this)));
+  layer_ = make_scoped_ptr(new WebLayerImpl(PictureLayer::Create(this)));
   layer_->layer()->SetIsDrawable(true);
 }
 
diff --git a/cc/blink/web_external_texture_layer_impl.cc b/cc/blink/web_external_texture_layer_impl.cc
index c2f2a45..03f6e18 100644
--- a/cc/blink/web_external_texture_layer_impl.cc
+++ b/cc/blink/web_external_texture_layer_impl.cc
@@ -6,7 +6,6 @@
 
 #include "cc/blink/web_external_bitmap_impl.h"
 #include "cc/blink/web_layer_impl.h"
-#include "cc/layers/layer_settings.h"
 #include "cc/layers/texture_layer.h"
 #include "cc/resources/single_release_callback.h"
 #include "cc/resources/texture_mailbox.h"
@@ -25,8 +24,7 @@ WebExternalTextureLayerImpl::WebExternalTextureLayerImpl(
     blink::WebExternalTextureLayerClient* client)
     : client_(client) {
   cc::TextureLayerClient* cc_client = client_ ? this : nullptr;
-  scoped_refptr<TextureLayer> layer =
-      TextureLayer::CreateForMailbox(cc::LayerSettings(), cc_client);
+  scoped_refptr<TextureLayer> layer = TextureLayer::CreateForMailbox(cc_client);
   layer->SetIsDrawable(true);
   layer_.reset(new WebLayerImpl(layer));
 }
diff --git a/cc/blink/web_image_layer_impl.cc b/cc/blink/web_image_layer_impl.cc
index e3b7421..68f6198 100644
--- a/cc/blink/web_image_layer_impl.cc
+++ b/cc/blink/web_image_layer_impl.cc
@@ -6,15 +6,13 @@
 
 #include "cc/blink/web_layer_impl.h"
 #include "cc/blink/web_layer_impl_fixed_bounds.h"
-#include "cc/layers/layer_settings.h"
 #include "cc/layers/picture_image_layer.h"
 #include "third_party/skia/include/core/SkImage.h"
 
 namespace cc_blink {
 
 WebImageLayerImpl::WebImageLayerImpl() {
-  layer_.reset(new WebLayerImplFixedBounds(
-      cc::PictureImageLayer::Create(cc::LayerSettings())));
+  layer_.reset(new WebLayerImplFixedBounds(cc::PictureImageLayer::Create()));
 }
 
 WebImageLayerImpl::~WebImageLayerImpl() {
diff --git a/cc/blink/web_layer_impl.cc b/cc/blink/web_layer_impl.cc
index 2d578fc..667a848 100644
--- a/cc/blink/web_layer_impl.cc
+++ b/cc/blink/web_layer_impl.cc
@@ -19,7 +19,6 @@
 #include "cc/blink/web_blend_mode.h"
 #include "cc/layers/layer.h"
 #include "cc/layers/layer_position_constraint.h"
-#include "cc/layers/layer_settings.h"
 #include "cc/trees/layer_tree_host.h"
 #include "third_party/WebKit/public/platform/WebFloatPoint.h"
 #include "third_party/WebKit/public/platform/WebFloatRect.h"
@@ -41,8 +40,7 @@ using blink::WebColor;
 namespace cc_blink {
 
 WebLayerImpl::WebLayerImpl()
-    : layer_(Layer::Create(cc::LayerSettings())),
-      contents_opaque_is_fixed_(false) {}
+    : layer_(Layer::Create()), contents_opaque_is_fixed_(false) {}
 
 WebLayerImpl::WebLayerImpl(scoped_refptr<Layer> layer)
     : layer_(layer), contents_opaque_is_fixed_(false) {
diff --git a/cc/blink/web_layer_impl.h b/cc/blink/web_layer_impl.h
index 85726d2..a955fcb 100644
--- a/cc/blink/web_layer_impl.h
+++ b/cc/blink/web_layer_impl.h
@@ -41,7 +41,6 @@ class ConvertableToTraceFormat;
 namespace cc {
 class FilterOperations;
 class Layer;
-class LayerSettings;
 }
 
 namespace cc_blink {
diff --git a/cc/blink/web_layer_impl_fixed_bounds_unittest.cc b/cc/blink/web_layer_impl_fixed_bounds_unittest.cc
index ad9b1e1..01a1a38 100644
--- a/cc/blink/web_layer_impl_fixed_bounds_unittest.cc
+++ b/cc/blink/web_layer_impl_fixed_bounds_unittest.cc
@@ -4,7 +4,6 @@
 
 #include <vector>
 #include "cc/blink/web_layer_impl_fixed_bounds.h"
-#include "cc/layers/layer_settings.h"
 #include "cc/layers/picture_image_layer.h"
 #include "cc/test/fake_layer_tree_host.h"
 #include "cc/test/geometry_test_utils.h"
@@ -90,16 +89,15 @@ void CompareFixedBoundsLayerAndNormalLayer(const WebFloatPoint& anchor_point,
 
   scoped_ptr<WebLayerImplFixedBounds> root_layer(new WebLayerImplFixedBounds());
 
-  WebLayerImplFixedBounds* fixed_bounds_layer = new WebLayerImplFixedBounds(
-      cc::PictureImageLayer::Create(cc::LayerSettings()));
+  WebLayerImplFixedBounds* fixed_bounds_layer =
+      new WebLayerImplFixedBounds(cc::PictureImageLayer::Create());
   fixed_bounds_layer->setBounds(bounds);
   fixed_bounds_layer->SetFixedBounds(fixed_bounds);
   fixed_bounds_layer->setTransform(transform.matrix());
   fixed_bounds_layer->setPosition(position);
   root_layer->addChild(fixed_bounds_layer);
 
-  WebLayerImpl* normal_layer(
-      new WebLayerImpl(cc::PictureImageLayer::Create(cc::LayerSettings())));
+  WebLayerImpl* normal_layer(new WebLayerImpl(cc::PictureImageLayer::Create()));
 
   normal_layer->setBounds(bounds);
   normal_layer->setTransform(transform.matrix());
diff --git a/cc/blink/web_scrollbar_layer_impl.cc b/cc/blink/web_scrollbar_layer_impl.cc
index 905d36b..e31f5c6 100644
--- a/cc/blink/web_scrollbar_layer_impl.cc
+++ b/cc/blink/web_scrollbar_layer_impl.cc
@@ -7,7 +7,6 @@
 #include "cc/blink/scrollbar_impl.h"
 #include "cc/blink/web_layer_impl.h"
 #include "cc/layers/layer.h"
-#include "cc/layers/layer_settings.h"
 #include "cc/layers/painted_scrollbar_layer.h"
 #include "cc/layers/scrollbar_layer_interface.h"
 #include "cc/layers/solid_color_scrollbar_layer.h"
@@ -32,7 +31,7 @@ WebScrollbarLayerImpl::WebScrollbarLayerImpl(
     blink::WebScrollbarThemePainter painter,
     blink::WebScrollbarThemeGeometry* geometry)
     : layer_(new WebLayerImpl(PaintedScrollbarLayer::Create(
-          cc::LayerSettings(),
+
           scoped_ptr<cc::Scrollbar>(
               new ScrollbarImpl(make_scoped_ptr(scrollbar),
                                 painter,
@@ -45,8 +44,7 @@ WebScrollbarLayerImpl::WebScrollbarLayerImpl(
     int track_start,
     bool is_left_side_vertical_scrollbar)
     : layer_(new WebLayerImpl(
-          SolidColorScrollbarLayer::Create(cc::LayerSettings(),
-                                           ConvertOrientation(orientation),
+          SolidColorScrollbarLayer::Create(ConvertOrientation(orientation),
                                            thumb_thickness,
                                            track_start,
                                            is_left_side_vertical_scrollbar,