chrome/android: Update toolbar drawing in native.

chrome/browser/android/compositor/resources/toolbar_resource.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/compositor/resources/toolbar_resource.h"
+
+#include "base/memory/ptr_util.h"
+
+namespace android {
+
+// static
+ToolbarResource* ToolbarResource::From(ui::Resource* resource) {
+  DCHECK_EQ(Type::TOOLBAR, resource->type());
+  return static_cast<ToolbarResource*>(resource);
+}
+
+ToolbarResource::ToolbarResource(gfx::Rect toolbar_rect,
+                                 gfx::Rect location_bar_content_rect,
+                                 int shadow_height)
+    : Resource(Type::TOOLBAR),
+      toolbar_rect_(toolbar_rect),
+      location_bar_content_rect_(location_bar_content_rect),
+      shadow_height_(shadow_height) {}
+
+ToolbarResource::~ToolbarResource() = default;
+
+std::unique_ptr<ui::Resource> ToolbarResource::CreateForCopy() {
+  return base::MakeUnique<ToolbarResource>(
+      toolbar_rect_, location_bar_content_rect_, shadow_height_);
+}
+
+}  // namespace android