Clean up users of a deprecated base::LaunchApp API.

chrome/browser/chromeos/input_method/xkeyboard.cc

Index: chrome/browser/chromeos/input_method/xkeyboard.cc
diff --git a/chrome/browser/chromeos/input_method/xkeyboard.cc b/chrome/browser/chromeos/input_method/xkeyboard.cc
index 270672d82b367680285fbf4e589d51a84e25c007..7a0b85637f70d34579231f0d2fd38dfbed9c3f56 100644
--- a/chrome/browser/chromeos/input_method/xkeyboard.cc
+++ b/chrome/browser/chromeos/input_method/xkeyboard.cc
@@ -285,11 +285,10 @@ class XKeyboard {
     argv.push_back("-layout");
     argv.push_back(layout_to_set);
     argv.push_back("-synch");
-    const bool result = base::LaunchApp(argv,
-                                        fds_to_remap,  // No remapping.
-                                        false,  // Don't wait.
-                                        &handle);
-    if (!result) {
+
+    base::LaunchOptions options;
+    options.process_handle = &handle;
+    if (!base::LaunchProcess(argv, options)) {
       LOG(ERROR) << "Failed to execute setxkbmap: " << layout_to_set;
       execute_queue_ = std::queue<std::string>();  // clear the queue.
       return;