Mozart: Compute hits using 4x4 matrix.

services/gfx/compositor/graph/scene_content.cc

 // Copyright 2016 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 "services/gfx/compositor/graph/scene_content.h"
 
 #include <ostream>
 
 #include "base/logging.h"
 #include "services/gfx/compositor/graph/scene_def.h"
@@ skipping 14 matching lines @@
 void SceneContent::RecordPicture(const Snapshot* snapshot,
                                  SkCanvas* canvas) const {
   const NodeDef* root = GetRootNodeIfExists();
   if (root)
     root->RecordPicture(this, snapshot, canvas);
 }
 
 bool SceneContent::HitTest(
     const Snapshot* snapshot,
     const SkPoint& scene_point,
-    const SkMatrix& global_to_scene_transform,
+    const SkMatrix44& global_to_scene_transform,
     mojo::gfx::composition::SceneHitPtr* out_scene_hit) const {
   DCHECK(snapshot);
   DCHECK(out_scene_hit);
 
   const NodeDef* root = GetRootNodeIfExists();
   if (!root)
     return false;
 
   mojo::Array<mojo::gfx::composition::HitPtr> hits;
   bool opaque = root->HitTest(this, snapshot, scene_point,
@@ skipping 120 matching lines @@
 }
 
 scoped_refptr<const SceneContent> SceneContentBuilder::Build() {
   DCHECK(content_);
 
   const NodeDef* root = scene_->FindRootNode();
   return !root || AddNode(root) ? std::move(content_) : nullptr;
 }
 
 }  // namespace compositor