Enable content embedders to specify mojo application task runner.

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>
 #include <memory>
 #include <string>
 #include <utility>
 #include <vector>
 
 #include "base/callback_forward.h"
 #include "base/memory/scoped_vector.h"
 #include "base/values.h"
 #include "build/build_config.h"
 #include "content/public/browser/certificate_request_result_type.h"
 #include "content/public/browser/navigation_throttle.h"
 #include "content/public/common/content_client.h"
 #include "content/public/common/media_stream_request.h"
+#include "content/public/common/mojo_application_info.h"
 #include "content/public/common/resource_type.h"
 #include "content/public/common/socket_permission_request.h"
 #include "content/public/common/window_container_type.h"
 #include "media/audio/audio_manager.h"
 #include "net/base/mime_util.h"
 #include "net/cookies/canonical_cookie.h"
 #include "storage/browser/fileapi/file_system_context.h"
 #include "third_party/WebKit/public/platform/WebPageVisibilityState.h"
 #include "ui/base/window_open_disposition.h"
 
@@ skipping 609 matching lines @@
   virtual void RegisterFrameMojoShellServices(
       ServiceRegistry* registry,
       RenderFrameHost* render_frame_host) {}
 
   // Allows to register browser Mojo services exposed through the
   // RenderFrameHost.
   virtual void RegisterRenderFrameMojoServices(
       ServiceRegistry* registry,
       RenderFrameHost* render_frame_host) {}
 
-  using StaticMojoApplicationMap =
-      std::map<std::string,
-               base::Callback<std::unique_ptr<shell::ShellClient>(
-                   const base::Closure& quit_closure)>>;
+  using StaticMojoApplicationMap = std::map<std::string, MojoApplicationInfo>;
 
   // Registers Mojo applications to be loaded in the browser process by the
   // browser's global Mojo shell.
   virtual void RegisterInProcessMojoApplications(
       StaticMojoApplicationMap* apps) {}
 
   using OutOfProcessMojoApplicationMap = std::map<std::string, base::string16>;
 
   // Registers Mojo applications to be loaded out of the browser process, in a
   // sandboxed utility process. The value of each map entry should be the
@@ skipping 93 matching lines @@
   // Allows an embedder to provide its own ExternalVideoSurfaceContainer
   // implementation.  Return nullptr to disable external surface video.
   virtual ExternalVideoSurfaceContainer*
   OverrideCreateExternalVideoSurfaceContainer(WebContents* web_contents);
 #endif
 };
 
 }  // namespace content
 
 #endif  // CONTENT_PUBLIC_BROWSER_CONTENT_BROWSER_CLIENT_H_