[proof-of-concept] SW thread independent of the main thread

content/browser/renderer_host/render_process_host_impl.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 CONTENT_BROWSER_RENDERER_HOST_RENDER_PROCESS_HOST_IMPL_H_
 #define CONTENT_BROWSER_RENDERER_HOST_RENDER_PROCESS_HOST_IMPL_H_
 
 #include <stddef.h>
 #include <stdint.h>
 
@@ skipping 61 matching lines @@
 class RenderWidgetHelper;
 class RenderWidgetHost;
 class RenderWidgetHostImpl;
 class RenderWidgetHostViewFrameSubscriber;
 class ResourceMessageFilter;
 class StoragePartition;
 class StoragePartitionImpl;
 
 namespace mojom {
 class StoragePartitionService;
+class IsolatedWorkerDispatcher;
 }
 
 typedef base::Thread* (*RendererMainThreadFactoryFunction)(
     const InProcessChildThreadParams& params);
 
 // Implements a concrete RenderProcessHost for the browser process for talking
 // to actual renderer processes (as opposed to mocks).
 //
 // Represents the browser side of the browser <--> renderer communication
 // channel. There will be one RenderProcessHost per renderer process.
@@ skipping 187 matching lines @@
   void GetAudioOutputControllers(
       const GetAudioOutputControllersCallback& callback) const override;
 
 #if defined(OS_POSIX) && !defined(OS_ANDROID) && !defined(OS_MACOSX)
   // Launch the zygote early in the browser startup.
   static void EarlyZygoteLaunch();
 #endif  // defined(OS_POSIX) && !defined(OS_ANDROID) && !defined(OS_MACOSX)
 
   void RecomputeAndUpdateWebKitPreferences();
 
+  void SetIsolatedWorkerDispatcher(
+      mojo::InterfacePtr<mojom::IsolatedWorkerDispatcher>);
+
+  void GetIsolatedWorkerDispatcher(
+      const base::Callback<
+          void(mojo::InterfacePtr<mojom::IsolatedWorkerDispatcher>*)>&);
+
  protected:
   // A proxy for our IPC::Channel that lives on the IO thread.
   std::unique_ptr<IPC::ChannelProxy> channel_;
 
   // True if fast shutdown has been performed on this RPH.
   bool fast_shutdown_started_;
 
   // True if we've posted a DeleteTask and will be deleted soon.
   bool deleting_soon_;
 
@@ skipping 267 matching lines @@
   base::WaitableEvent never_signaled_;
 #endif
 
   scoped_refptr<ResourceMessageFilter> resource_message_filter_;
 
   // A WeakPtrFactory which is reset every time Cleanup() runs. Used to vend
   // WeakPtrs which are invalidated any time the RPHI is recycled.
   std::unique_ptr<base::WeakPtrFactory<RenderProcessHostImpl>>
       instance_weak_factory_;
 
+  std::unique_ptr<mojo::InterfacePtr<mojom::IsolatedWorkerDispatcher>>
+      isolated_worker_dispatcher_;
+
+  std::vector<base::Callback<void(
+      mojo::InterfacePtr<mojom::IsolatedWorkerDispatcher>*)>>
+      isolated_worker_dispatcher_callbacks_;
+
   base::WeakPtrFactory<RenderProcessHostImpl> weak_factory_;
 
   DISALLOW_COPY_AND_ASSIGN(RenderProcessHostImpl);
 };
 
 }  // namespace content
 
 #endif  // CONTENT_BROWSER_RENDERER_HOST_RENDER_PROCESS_HOST_IMPL_H_