Convert utility process zip creator IPC to mojo

chrome/utility/chrome_content_utility_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 CHROME_UTILITY_CHROME_CONTENT_UTILITY_CLIENT_H_
 #define CHROME_UTILITY_CHROME_CONTENT_UTILITY_CLIENT_H_
 
-#include <stdint.h>
-
-#include <memory>
-#include <set>
-#include <string>
-#include <vector>
-
 #include "base/compiler_specific.h"
 #include "base/macros.h"
 #include "base/memory/scoped_vector.h"
 #include "build/build_config.h"
 #include "content/public/utility/content_utility_client.h"
 #include "ipc/ipc_platform_file.h"
 
-namespace base {
-class FilePath;
-struct FileDescriptor;
-}
-
 class UtilityMessageHandler;
 
 class ChromeContentUtilityClient : public content::ContentUtilityClient {
  public:
   ChromeContentUtilityClient();
   ~ChromeContentUtilityClient() override;
 
+  // content::ContentUtilityClient:
   void UtilityThreadStarted() override;
   bool OnMessageReceived(const IPC::Message& message) override;
   void ExposeInterfacesToBrowser(
       service_manager::InterfaceRegistry* registry) override;
   void RegisterServices(StaticServiceMap* services) override;
 
   static void PreSandboxStartup();
 
  private:
   // IPC message handlers.
-#if defined(OS_CHROMEOS)
-  void OnCreateZipFile(const base::FilePath& src_dir,
-                       const std::vector<base::FilePath>& src_relative_paths,
-                       const base::FileDescriptor& dest_fd);
-#endif  // defined(OS_CHROMEOS)
-
   void OnStartupPing();
 #if defined(FULL_SAFE_BROWSING)
   void OnAnalyzeZipFileForDownloadProtection(
       const IPC::PlatformFileForTransit& zip_file,
       const IPC::PlatformFileForTransit& temp_file);
 #if defined(OS_MACOSX)
   void OnAnalyzeDmgFileForDownloadProtection(
       const IPC::PlatformFileForTransit& dmg_file);
 #endif  // defined(OS_MACOSX)
 #endif  // defined(FULL_SAFE_BROWSING)
 
   typedef ScopedVector<UtilityMessageHandler> Handlers;
   Handlers handlers_;
 
   bool utility_process_running_elevated_;
 
   DISALLOW_COPY_AND_ASSIGN(ChromeContentUtilityClient);
 };
 
 #endif  // CHROME_UTILITY_CHROME_CONTENT_UTILITY_CLIENT_H_