Route selection bounds updates through the compositor

cc/input/layer_selection_bound.cc

Index: cc/input/layer_selection_bound.cc
diff --git a/cc/input/layer_selection_bound.cc b/cc/input/layer_selection_bound.cc
new file mode 100644
index 0000000000000000000000000000000000000000..077cfc41181415d6f83bd7e0f108dfc593363a78
--- /dev/null
+++ b/cc/input/layer_selection_bound.cc
@@ -0,0 +1,16 @@
+// Copyright 2014 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/input/layer_selection_bound.h"
+
+namespace cc {
+
+LayerSelectionBound::LayerSelectionBound()
+    : type(SELECTION_BOUND_IGNORED), layer_id(0) {
+}
+
+LayerSelectionBound::~LayerSelectionBound() {
+}
+
+}  // namespace cc