Convert GetSearchProviderInstallState to Mojo

content/browser/renderer_host/render_process_host_impl.h

Index: content/browser/renderer_host/render_process_host_impl.h
diff --git a/content/browser/renderer_host/render_process_host_impl.h b/content/browser/renderer_host/render_process_host_impl.h
index c3aa8187f4a44e2c60d26c5d37ea9ad13d17ae84..4fa12011c1e6d6baeca4ed6dc84352d1997e05a4 100644
--- a/content/browser/renderer_host/render_process_host_impl.h
+++ b/content/browser/renderer_host/render_process_host_impl.h
@@ -55,6 +55,7 @@ class InProcessChildThreadParams;
 class MessagePortMessageFilter;
 class MojoChildConnection;
 class NotificationMessageFilter;
+class OwnedInterface;
 #if defined(ENABLE_WEBRTC)
 class P2PSocketDispatcherHost;
 #endif
@@ -136,6 +137,7 @@ class CONTENT_EXPORT RenderProcessHostImpl
   bool SuddenTerminationAllowed() const override;
   IPC::ChannelProxy* GetChannel() override;
   void AddFilter(BrowserMessageFilter* filter) override;
+  void AddOwnedInterface(std::unique_ptr<OwnedInterface> impl) override;
   bool FastShutdownForPageCount(size_t count) override;
   bool FastShutdownStarted() const override;
   base::TimeDelta GetChildProcessIdleTime() const override;
@@ -362,6 +364,11 @@ class CONTENT_EXPORT RenderProcessHostImpl
 
   std::string child_token_;
 
+  // Services owned by this host for the purpose of service impl lifetime
+  // management. These need to outlive |mojo_child_connection_|, as they are
+  // registered on the |InterfaceRegistry| indirectly owned by that object.
+  std::vector<std::unique_ptr<OwnedInterface>> owned_interface_impls_;
+
   std::unique_ptr<MojoChildConnection> mojo_child_connection_;
   shell::mojom::ServicePtr test_service_;