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 98cac7fca468d37ccf44e6803294ea5fa53f4f28..5e0a4048dca2801e3c55faa6eccd2c98ae2bcd0e 100644
--- a/chrome/browser/chrome_content_browser_client.cc
+++ b/chrome/browser/chrome_content_browser_client.cc
@@ -423,7 +423,7 @@ using message_center::NotifierId;
 using security_interstitials::SSLErrorUI;
 
 #if defined(OS_POSIX)
-using content::FileDescriptorInfo;
+using content::PosixFileDescriptorInfo;
 #endif
 
 #if BUILDFLAG(ENABLE_EXTENSIONS)
@@ -2779,7 +2779,7 @@ 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);