Speculatively launch Service Workers on mouse/touch events. [2/5]

chrome/browser/renderer_host/chrome_render_message_filter.h

 // Copyright (c) 2012 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.
 
 #ifndef CHROME_BROWSER_RENDERER_HOST_CHROME_RENDER_MESSAGE_FILTER_H_
 #define CHROME_BROWSER_RENDERER_HOST_CHROME_RENDER_MESSAGE_FILTER_H_
 
 #include <string>
 #include <vector>
 
 #include "base/callback.h"
 #include "base/macros.h"
 #include "base/sequenced_task_runner_helpers.h"
 #include "content/public/browser/browser_message_filter.h"
 
 class GURL;
 class Profile;
 
+namespace blink {
+enum class WebNavigationHintType;
+}
+
 namespace chrome_browser_net {
 class Predictor;
 }
 
 namespace content_settings {
 class CookieSettings;
 }
 
 namespace network_hints {
 struct LookupRequest;
@@ skipping 15 matching lines @@
                                 content::BrowserThread::ID* thread) override;
 
  private:
   friend class content::BrowserThread;
   friend class base::DeleteHelper<ChromeRenderMessageFilter>;
 
   ~ChromeRenderMessageFilter() override;
 
   void OnDnsPrefetch(const network_hints::LookupRequest& request);
   void OnPreconnect(const GURL& url, bool allow_credentials, int count);
+  void OnNavigationHint(const GURL& url, blink::WebNavigationHintType type);
   void OnUpdatedCacheStats(uint64_t min_capacity,
                            uint64_t max_capacity,
                            uint64_t capacity,
                            uint64_t live_size,
                            uint64_t dead_size);
 
   void OnAllowDatabase(int render_frame_id,
                        const GURL& origin_url,
                        const GURL& top_origin_url,
                        const base::string16& name,
@@ skipping 65 matching lines @@
   // used on the IO thread.
   chrome_browser_net::Predictor* predictor_;
 
   // Used to look up permissions at database creation time.
   scoped_refptr<content_settings::CookieSettings> cookie_settings_;
 
   DISALLOW_COPY_AND_ASSIGN(ChromeRenderMessageFilter);
 };
 
 #endif  // CHROME_BROWSER_RENDERER_HOST_CHROME_RENDER_MESSAGE_FILTER_H_