Convert //shell/... to use set_connection_error_handler() instead of set_error_handler().

shell/application_manager/shell_impl.h

 // Copyright 2015 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 SHELL_APPLICATION_MANAGER_SHELL_IMPL_H_
 #define SHELL_APPLICATION_MANAGER_SHELL_IMPL_H_
 
 #include "base/callback.h"
 #include "mojo/public/cpp/bindings/binding.h"
 #include "mojo/public/cpp/bindings/error_handler.h"
 #include "mojo/public/interfaces/application/application.mojom.h"
 #include "mojo/public/interfaces/application/shell.mojom.h"
 #include "shell/application_manager/identity.h"
 #include "url/gurl.h"
 
 namespace shell {
 
 class ApplicationManager;
 
-class ShellImpl : public mojo::Shell, public mojo::ErrorHandler {
+class ShellImpl : public mojo::Shell {
  public:
   ShellImpl(mojo::ApplicationPtr application,
             ApplicationManager* manager,
             const Identity& resolved_identity,
             const base::Closure& on_application_end);
 
   ~ShellImpl() override;
 
   void InitializeApplication(mojo::Array<mojo::String> args);
 
   void ConnectToClient(const GURL& requested_url,
                        const GURL& requestor_url,
                        mojo::InterfaceRequest<mojo::ServiceProvider> services,
                        mojo::ServiceProviderPtr exposed_services);
 
   mojo::Application* application() { return application_.get(); }
   const Identity& identity() const { return identity_; }
   base::Closure on_application_end() const { return on_application_end_; }
 
  private:
   // mojo::Shell implementation:
   void ConnectToApplication(
       const mojo::String& app_url,
       mojo::InterfaceRequest<mojo::ServiceProvider> services,
       mojo::ServiceProviderPtr exposed_services) override;
 
-  // mojo::ErrorHandler implementation:
-  void OnConnectionError() override;
-
   ApplicationManager* const manager_;
   const Identity identity_;
   base::Closure on_application_end_;
   mojo::ApplicationPtr application_;
   mojo::Binding<mojo::Shell> binding_;
 
   DISALLOW_COPY_AND_ASSIGN(ShellImpl);
 };
 
 }  // namespace shell
 
 #endif  // SHELL_APPLICATION_MANAGER_SHELL_IMPL_H_