Experiment with redirecting all BrowserThreads (but UI/IO) to TaskScheduler

content/public/browser/content_browser_client.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_PUBLIC_BROWSER_CONTENT_BROWSER_CLIENT_H_
 #define CONTENT_PUBLIC_BROWSER_CONTENT_BROWSER_CLIENT_H_
 
 #include <stddef.h>
 
 #include <map>
@@ skipping 766 matching lines @@
   // empty string if this sandboxed process type does not support living inside
   // an AppContainer.
   virtual base::string16 GetAppContainerSidForSandboxType(
       int sandbox_type) const;
 #endif
 
   // Returns an instance of MemoryCoordinatorDelegate.
   virtual std::unique_ptr<MemoryCoordinatorDelegate>
   GetMemoryCoordinatorDelegate();
 
+  // If this returns true, all BrowserThreads (but UI/IO) that support it on
+  // this platform will experimentally be redirected to TaskScheduler.
+  virtual bool RedirectNonUINonIOBrowserThreadsToTaskScheduler();
+
   // Binds a new media remoter service to |request|, if supported by the
   // embedder, for the |source| that lives in the render frame represented
   // by |render_frame_host|. This may be called multiple times if there is more
   // than one source candidate in the same render frame.
   virtual void CreateMediaRemoter(RenderFrameHost* render_frame_host,
                                   media::mojom::RemotingSourcePtr source,
                                   media::mojom::RemoterRequest request) {}
 };
 
 }  // namespace content
 
 #endif  // CONTENT_PUBLIC_BROWSER_CONTENT_BROWSER_CLIENT_H_