VR: Use ToolbarModel to drive VR URL bar state.

chrome/browser/android/vr_shell/toolbar_state.cc

+// Copyright 2017 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 "chrome/browser/android/vr_shell/toolbar_state.h"
+
+namespace vr_shell {
+
+ToolbarState::ToolbarState()
+    : gurl(GURL()),
+      security_level(security_state::SecurityLevel::NONE),
+      vector_icon(nullptr),
+      should_display_url(true) {}
+
+bool ToolbarState::operator==(const ToolbarState& other) const {
+  return (gurl == other.gurl && security_level == other.security_level &&
+          vector_icon == other.vector_icon &&
+          should_display_url == other.should_display_url);

[mthiesse, 2017/06/28 00:27:08]

Don't care about secure_verbose_text?

[cjgrant, 2017/06/28 15:14:34]

Done. Good catch.

+}
+
+bool ToolbarState::operator!=(const ToolbarState& other) const {
+  return !(*this == other);
+}
+
+}  // namespace vr_shell