Removing the unused child process ID parameter in ChildProcessLauncher.

content/browser/child_process_launcher_helper_android.cc

Index: content/browser/child_process_launcher_helper_android.cc
diff --git a/content/browser/child_process_launcher_helper_android.cc b/content/browser/child_process_launcher_helper_android.cc
index fafbc5d54a1bde0c2eea81f1a9f17ab75225911a..f22ffd62f790df912cd229e41c652716b2b16307 100644
--- a/content/browser/child_process_launcher_helper_android.cc
+++ b/content/browser/child_process_launcher_helper_android.cc
@@ -132,8 +132,7 @@ ChildProcessLauncherHelper::LaunchProcessOnLauncherThread(
 
   constexpr int param_key = 0;  // TODO(boliu): Use this.
   java_peer_.Reset(Java_ChildProcessLauncherHelper_create(
-      env, reinterpret_cast<intptr_t>(this), param_key, j_argv,
-      child_process_id(), j_file_infos));
+      env, reinterpret_cast<intptr_t>(this), param_key, j_argv, j_file_infos));
   AddRef();  // Balanced by OnChildProcessStarted.
 
   return Process();