Roll Chrome into Mojo.

cc/layers/layer.cc

 // Copyright 2010 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/layers/layer.h"
 
 #include <algorithm>
 
 #include "base/atomic_sequence_num.h"
 #include "base/debug/trace_event.h"
@@ skipping 60 matching lines @@
       force_render_surface_(false),
       transform_is_invertible_(true),
       has_render_surface_(false),
       background_color_(0),
       opacity_(1.f),
       blend_mode_(SkXfermode::kSrcOver_Mode),
       scroll_parent_(nullptr),
       clip_parent_(nullptr),
       replica_layer_(nullptr),
       raster_scale_(0.f),
-      client_(nullptr) {
+      client_(nullptr),
+      frame_timing_requests_dirty_(false) {
   layer_animation_controller_ = LayerAnimationController::Create(layer_id_);
   layer_animation_controller_->AddValueObserver(this);
   layer_animation_controller_->set_value_provider(this);
 }
 
 Layer::~Layer() {
   // Our parent should be holding a reference to us so there should be no
   // way for us to be destroyed while we still have a parent.
   DCHECK(!parent());
   // Similarly we shouldn't have a layer tree host since it also keeps a
@@ skipping 914 matching lines @@
   // update_rect here. The LayerImpl's update_rect needs to accumulate (i.e.
   // union) any update changes that have occurred on the main thread.
   update_rect_.Union(layer->update_rect());
   layer->SetUpdateRect(update_rect_);
 
   layer->SetStackingOrderChanged(stacking_order_changed_);
 
   layer_animation_controller_->PushAnimationUpdatesTo(
       layer->layer_animation_controller());
 
+  if (frame_timing_requests_dirty_) {
+    layer->PassFrameTimingRequests(&frame_timing_requests_);
+    frame_timing_requests_dirty_ = false;
+  }
+
   // Reset any state that should be cleared for the next update.
   stacking_order_changed_ = false;
   update_rect_ = gfx::Rect();
 
   needs_push_properties_ = false;
   num_dependents_need_push_properties_ = 0;
 }
 
 scoped_ptr<LayerImpl> Layer::CreateLayerImpl(LayerTreeImpl* tree_impl) {
   return LayerImpl::Create(tree_impl, layer_id_);
@@ skipping 254 matching lines @@
   if (transform_tree_index() >= 0) {
     const TransformNode* node = tree.Node(transform_tree_index());
     gfx::Transform ssxform;
     tree.ComputeTransform(node->id, node->data.target_id, &ssxform);
     xform.ConcatTransform(ssxform);
   }
   xform.Scale(1.0 / contents_scale_x(), 1.0 / contents_scale_y());
   return xform;
 }
 
+void Layer::SetFrameTimingRequests(
+    const std::vector<FrameTimingRequest>& requests) {
+  frame_timing_requests_ = requests;
+  frame_timing_requests_dirty_ = true;
+  SetNeedsCommit();
+}
+
 }  // namespace cc