Speculatively launch Service Workers on mouse/touch events. [3/5]

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 {
+class ServiceWorkerContext;
+}
+
 namespace content_settings {
 class CookieSettings;
 }
 
 namespace network_hints {
 struct LookupRequest;
 }
 
 namespace extensions {
 class InfoMap;
 }
 
 // This class filters out incoming Chrome-specific IPC messages for the renderer
 // process on the IPC thread.
 class ChromeRenderMessageFilter : public content::BrowserMessageFilter {
  public:
-  ChromeRenderMessageFilter(int render_process_id, Profile* profile);
+  ChromeRenderMessageFilter(
+      int render_process_id,
+      Profile* profile,
+      content::ServiceWorkerContext* service_worker_context);
 
   // content::BrowserMessageFilter methods:
   bool OnMessageReceived(const IPC::Message& message) override;
   void OverrideThreadForMessage(const IPC::Message& message,
                                 content::BrowserThread::ID* thread) override;
 
  private:
   friend class content::BrowserThread;
   friend class base::DeleteHelper<ChromeRenderMessageFilter>;
 
@@ skipping 76 matching lines @@
   // The Profile associated with our renderer process.  This should only be
   // accessed on the UI thread!
   Profile* profile_;
   // The Predictor for the associated Profile. It is stored so that it can be
   // 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_;
 
+  // Used to start Service Workers for navigation hints.
+  content::ServiceWorkerContext* service_worker_context_;
+
   DISALLOW_COPY_AND_ASSIGN(ChromeRenderMessageFilter);
 };
 
 #endif  // CHROME_BROWSER_RENDERER_HOST_CHROME_RENDER_MESSAGE_FILTER_H_