Improve process launch handle sharing API.

android_webview/browser/aw_content_browser_client.cc

 // 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.
 
 #include "android_webview/browser/aw_content_browser_client.h"
 
 #include <utility>
 
 #include "android_webview/browser/aw_browser_context.h"
 #include "android_webview/browser/aw_browser_main_parts.h"
@@ skipping 467 matching lines @@
     const GURL& url) {
   NOTREACHED() << "Android WebView does not support plugins";
   return false;
 }
 
 content::TracingDelegate* AwContentBrowserClient::GetTracingDelegate() {
   return new AwTracingDelegate();
 }
 
 void AwContentBrowserClient::GetAdditionalMappedFilesForChildProcess(
-      const base::CommandLine& command_line,
-      int child_process_id,
-      content::FileDescriptorInfo* mappings) {
+    const base::CommandLine& command_line,
+    int child_process_id,
+    content::PosixFileDescriptorInfo* mappings) {
   base::MemoryMappedFile::Region region;
   int fd = ui::GetMainAndroidPackFd(&region);
   mappings->ShareWithRegion(kAndroidWebViewMainPakDescriptor, fd, region);
 
   fd = ui::GetCommonResourcesPackFd(&region);
   mappings->ShareWithRegion(kAndroidWebView100PercentPakDescriptor, fd, region);
 
   fd = ui::GetLocalePackFd(&region);
   mappings->ShareWithRegion(kAndroidWebViewLocalePakDescriptor, fd, region);
 
@@ skipping 53 matching lines @@
     const std::string& interface_name,
     mojo::ScopedMessagePipeHandle interface_pipe) {
   if (frame_interfaces_.CanBindInterface(interface_name)) {
     frame_interfaces_.BindInterface(source_info, interface_name,
                                     std::move(interface_pipe),
                                     render_frame_host);
   }
 }
 
 }  // namespace android_webview