Mozart: Compute hits using 4x4 matrix.

services/gfx/compositor/graph/snapshot.cc

Index: services/gfx/compositor/graph/snapshot.cc
diff --git a/services/gfx/compositor/graph/snapshot.cc b/services/gfx/compositor/graph/snapshot.cc
index 63fd822e786b5c95d439a4799317939cabe39fee..51115e92a0d498038c7b6a4c80c1266ed3ee9504 100644
--- a/services/gfx/compositor/graph/snapshot.cc
+++ b/services/gfx/compositor/graph/snapshot.cc
@@ -9,9 +9,9 @@
 #include "services/gfx/compositor/graph/scene_content.h"
 #include "services/gfx/compositor/graph/scene_def.h"
 #include "services/gfx/compositor/render/render_frame.h"
-#include "third_party/skia/include/core/SkMatrix.h"
 #include "third_party/skia/include/core/SkPictureRecorder.h"
 #include "third_party/skia/include/core/SkRect.h"
+#include "third_party/skia/include/utils/SkMatrix44.h"
 
 namespace compositor {
 
@@ -44,7 +44,7 @@ void Snapshot::HitTest(const mojo::PointF& point,
   DCHECK(!is_blocked());
   DCHECK(root_scene_content_);
 
-  root_scene_content_->HitTest(this, point.To<SkPoint>(), SkMatrix::I(),
+  root_scene_content_->HitTest(this, point.To<SkPoint>(), SkMatrix44::I(),
                                &result->root);
 }