Removing the unused child process ID parameter in ChildProcessLauncher.

content/public/android/java/src/org/chromium/content/browser/ChildSpawnData.java

 // Copyright 2017 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 package org.chromium.content.browser;
 
 import android.content.Context;
 import android.os.IBinder;
 
 import org.chromium.base.process_launcher.ChildProcessCreationParams;
 import org.chromium.base.process_launcher.FileDescriptorInfo;
 import org.chromium.content.browser.ChildProcessLauncher.LaunchCallback;
 
 /** Contains the information necessary to start a child process. */
 class ChildSpawnData {
     private final Context mContext;
     private final String[] mCommandLine;
-    private final int mChildProcessId;
     private final FileDescriptorInfo[] mFilesToBeMapped;
     private final LaunchCallback mLaunchCallback;
     private final IBinder mChildProcessCallback;
     private final boolean mInSandbox;
     private final boolean mAlwaysInForeground;
     private final ChildProcessCreationParams mCreationParams;
 
-    ChildSpawnData(Context context, String[] commandLine, int childProcessId,
-            FileDescriptorInfo[] filesToBeMapped, LaunchCallback launchCallback,
-            IBinder childProcessCallback, boolean inSandbox, boolean alwaysInForeground,
-            ChildProcessCreationParams creationParams) {
+    ChildSpawnData(Context context, String[] commandLine, FileDescriptorInfo[] filesToBeMapped,
+            LaunchCallback launchCallback, IBinder childProcessCallback, boolean inSandbox,
+            boolean alwaysInForeground, ChildProcessCreationParams creationParams) {
         mContext = context;
         mCommandLine = commandLine;
-        mChildProcessId = childProcessId;
         mFilesToBeMapped = filesToBeMapped;
         mLaunchCallback = launchCallback;
         mChildProcessCallback = childProcessCallback;
         mInSandbox = inSandbox;
         mAlwaysInForeground = alwaysInForeground;
         mCreationParams = creationParams;
     }
 
     Context getContext() {
         return mContext;
     }
 
     String[] getCommandLine() {
         return mCommandLine;
     }
 
-    int getChildProcessId() {
-        return mChildProcessId;
-    }
-
     FileDescriptorInfo[] getFilesToBeMapped() {
         return mFilesToBeMapped;
     }
 
     LaunchCallback getLaunchCallback() {
         return mLaunchCallback;
     }
 
     IBinder getChildProcessCallback() {
         return mChildProcessCallback;
     }
 
     boolean isInSandbox() {
         return mInSandbox;
     }
 
     boolean isAlwaysInForeground() {
         return mAlwaysInForeground;
     }
 
     ChildProcessCreationParams getCreationParams() {
         return mCreationParams;
     }
 }