Remove unnecessary gin dependency from content/browser/.

content/browser/child_process_launcher_helper_linux.cc

 // Copyright 2017 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.
 
 #include "base/path_service.h"
 #include "base/posix/global_descriptors.h"
 #include "content/browser/child_process_launcher.h"
 #include "content/browser/child_process_launcher_helper.h"
 #include "content/browser/child_process_launcher_helper_posix.h"
 #include "content/browser/renderer_host/render_sandbox_host_linux.h"
 #include "content/browser/zygote_host/zygote_communication_linux.h"
 #include "content/browser/zygote_host/zygote_host_impl_linux.h"
 #include "content/common/sandbox_linux/sandbox_linux.h"
 #include "content/public/browser/content_browser_client.h"
 #include "content/public/browser/zygote_handle_linux.h"
 #include "content/public/common/content_client.h"
 #include "content/public/common/content_switches.h"
 #include "content/public/common/result_codes.h"
 #include "content/public/common/sandboxed_process_launcher_delegate.h"
-#include "gin/v8_initializer.h"
 
 namespace content {
 namespace internal {
 
 mojo::edk::ScopedPlatformHandle
 ChildProcessLauncherHelper::PrepareMojoPipeHandlesOnClientThread() {
   DCHECK_CURRENTLY_ON(client_thread_id_);
   return mojo::edk::ScopedPlatformHandle();
 }
 
@@ skipping 130 matching lines @@
   bool result = base::PathService::Get(base::BasePathKey::DIR_EXE, &exe_dir);
   DCHECK(result);
   base::File file(exe_dir.Append(path),
                   base::File::FLAG_OPEN | base::File::FLAG_READ);
   *region = base::MemoryMappedFile::Region::kWholeFile;
   return file;
 }
 
 }  // namespace internal
 }  // namespace content