Move Mojo types to a new namespace

third_party/WebKit/public/platform/modules/document_metadata/copyless_paste-deprecated.mojom

 // 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.
 
 module blink.mojom;
 
 import "url/mojo/url.mojom";
 
 // Due to the restriction of AppIndexing, all elements should be of the
 // same type. Non-array values are converted to arrays of one element.
@@ skipping 16 matching lines @@
 struct Entity {
   string type;  // Correspond to the "@type" key, defined in JSON-LD.
   array<Property> properties;
 };
 
 struct WebPage {
   url.mojom.Url url;
   string title;
   array<Entity> entities;
 };