Launches a privileged utility process.

base/process/launch_win.cc

Index: base/process/launch_win.cc
diff --git a/base/process/launch_win.cc b/base/process/launch_win.cc
index da913efba749089592644c627c2dc226dbfa6182..2e333c34fd7ccb207d71b1e5d49f41e45999304c 100644
--- a/base/process/launch_win.cc
+++ b/base/process/launch_win.cc
@@ -9,6 +9,7 @@
 #include <windows.h>
 #include <userenv.h>
 #include <psapi.h>
+#include <Shellapi.h>
 
 #include <ios>
 
@@ -195,6 +196,41 @@ bool LaunchProcess(const CommandLine& cmdline,
   return LaunchProcess(cmdline.GetCommandLineString(), options, process_handle);
 }
 
+bool LaunchElevatedProcess(const CommandLine& cmdline,
+                           const LaunchOptions& options,
+                           ProcessHandle* process_handle) {
+  const std::wstring file = cmdline.GetProgram().value();
+  const std::wstring arguments = cmdline.GetArgumentsString();
+
+  SHELLEXECUTEINFO shex_info = {0};
+  shex_info.cbSize = sizeof(shex_info);
+  shex_info.fMask = SEE_MASK_NOCLOSEPROCESS;
+  shex_info.hwnd = GetActiveWindow();
+  shex_info.lpVerb = L"runas";
+  shex_info.lpFile = file.c_str();
+  shex_info.lpParameters = arguments.c_str();
+  shex_info.lpDirectory = NULL;
+  shex_info.nShow = options.start_hidden ? SW_HIDE : SW_SHOW;
+  shex_info.hInstApp = NULL;
+
+  if (!ShellExecuteEx(&shex_info)) {
+    DPLOG(ERROR);
+    return false;
+  }
+
+  if (options.wait)
+    WaitForSingleObject(shex_info.hProcess, INFINITE);
+
+  // If the caller wants the process handle give it to them, otherwise just
+  // close it.  Closing it does not terminate the process.
+  if (process_handle)
+    *process_handle = shex_info.hProcess;
+  else
+    CloseHandle(shex_info.hProcess);
+
+  return true;
+}
+
 bool SetJobObjectLimitFlags(HANDLE job_object, DWORD limit_flags) {
   JOBOBJECT_EXTENDED_LIMIT_INFORMATION limit_info = {0};
   limit_info.BasicLimitInformation.LimitFlags = limit_flags;