Launches a privileged utility process.

content/browser/child_process_launcher.cc

Index: content/browser/child_process_launcher.cc
diff --git a/content/browser/child_process_launcher.cc b/content/browser/child_process_launcher.cc
index 721cd5a88ede6cc6eeb7907bdecbfd35b7a5ff6d..38fcfbb6cbde42f8e1b3e6b9b67b0c95bbb92886 100644
--- a/content/browser/child_process_launcher.cc
+++ b/content/browser/child_process_launcher.cc
@@ -71,6 +71,7 @@ class ChildProcessLauncher::Context
   void Launch(
 #if defined(OS_WIN)
       SandboxedProcessLauncherDelegate* delegate,
+      bool launch_elevated,
 #elif defined(OS_ANDROID)
       int ipcfd,
 #elif defined(OS_POSIX)
@@ -100,6 +101,7 @@ class ChildProcessLauncher::Context
             child_process_id,
 #if defined(OS_WIN)
             delegate,
+            launch_elevated,
 #elif defined(OS_ANDROID)
             ipcfd,
 #elif defined(OS_POSIX)
@@ -183,6 +185,7 @@ class ChildProcessLauncher::Context
       int child_process_id,
 #if defined(OS_WIN)
       SandboxedProcessLauncherDelegate* delegate,
+      bool launch_elevated,
 #elif defined(OS_ANDROID)
       int ipcfd,
 #elif defined(OS_POSIX)
@@ -195,8 +198,15 @@ class ChildProcessLauncher::Context
     base::TimeTicks begin_launch_time = base::TimeTicks::Now();
 
 #if defined(OS_WIN)
-    scoped_ptr<SandboxedProcessLauncherDelegate> delegate_deleter(delegate);
-    base::ProcessHandle handle = StartSandboxedProcess(delegate, cmd_line);
+    base::ProcessHandle handle = base::kNullProcessHandle;
+    if (launch_elevated) {
+      base::LaunchOptions options;
+      options.start_hidden = true;
+      base::LaunchElevatedProcess(*cmd_line, options, &handle);
+    } else {
+      scoped_ptr<SandboxedProcessLauncherDelegate> delegate_deleter(delegate);
+      handle = StartSandboxedProcess(delegate, cmd_line);
+    }
 #elif defined(OS_ANDROID)
     // Android WebView runs in single process, ensure that we never get here
     // when running in single process mode.
@@ -207,7 +217,7 @@ class ChildProcessLauncher::Context
     std::vector<FileDescriptorInfo> files_to_register;
     files_to_register.push_back(
         FileDescriptorInfo(kPrimaryIPCChannel,
-                                    base::FileDescriptor(ipcfd, false)));
+                           base::FileDescriptor(ipcfd, false)));
 
     GetContentClient()->browser()->
         GetAdditionalMappedFilesForChildProcess(*cmd_line, child_process_id,
@@ -228,7 +238,7 @@ class ChildProcessLauncher::Context
     std::vector<FileDescriptorInfo> files_to_register;
     files_to_register.push_back(
         FileDescriptorInfo(kPrimaryIPCChannel,
-                                    base::FileDescriptor(ipcfd, false)));
+                           base::FileDescriptor(ipcfd, false)));
 
 #if !defined(OS_MACOSX)
     GetContentClient()->browser()->
@@ -330,7 +340,11 @@ class ChildProcessLauncher::Context
     zygote_ = zygote;
 #endif
     if (client_) {
-      client_->OnProcessLaunched();
+      if (handle) {
+        client_->OnProcessLaunched();
+      } else {
+        client_->OnProcessLaunchFailed();
+      }
     } else {
       Terminate();
     }
@@ -413,6 +427,7 @@ class ChildProcessLauncher::Context
 ChildProcessLauncher::ChildProcessLauncher(
 #if defined(OS_WIN)
     SandboxedProcessLauncherDelegate* delegate,
+    bool launch_elevated,
 #elif defined(OS_POSIX)
     bool use_zygote,
     const base::EnvironmentMap& environ,
@@ -425,6 +440,7 @@ ChildProcessLauncher::ChildProcessLauncher(
   context_->Launch(
 #if defined(OS_WIN)
       delegate,
+      launch_elevated,
 #elif defined(OS_ANDROID)
       ipcfd,
 #elif defined(OS_POSIX)