Improve process launch handle sharing API.

chrome/browser/chrome_content_browser_client.cc

Index: chrome/browser/chrome_content_browser_client.cc
diff --git a/chrome/browser/chrome_content_browser_client.cc b/chrome/browser/chrome_content_browser_client.cc
index 9d061cb3fd76543097c1850d84746350aaa5fb9c..2427f4cfd09b917af0db831f4567686e83fd89dc 100644
--- a/chrome/browser/chrome_content_browser_client.cc
+++ b/chrome/browser/chrome_content_browser_client.cc
@@ -425,7 +425,7 @@ using message_center::NotifierId;
 using security_interstitials::SSLErrorUI;
 
 #if defined(OS_POSIX)
-using content::FileDescriptorInfo;
+using content::PosixFileDescriptorInfo;
 #endif
 
 #if BUILDFLAG(ENABLE_EXTENSIONS)
@@ -2778,7 +2778,7 @@ void ChromeContentBrowserClient::GetAdditionalFileSystemBackends(
 void ChromeContentBrowserClient::GetAdditionalMappedFilesForChildProcess(
     const base::CommandLine& command_line,
     int child_process_id,
-    FileDescriptorInfo* mappings) {
+    PosixFileDescriptorInfo* mappings) {
 #if defined(OS_ANDROID)
   base::MemoryMappedFile::Region region;
   int fd = ui::GetMainAndroidPackFd(&region);