Removing the unused child process ID parameter in ChildProcessLauncher.

content/shell/android/shell_apk/src/org/chromium/content_shell_apk/ChildProcessLauncherTestUtils.java

Index: content/shell/android/shell_apk/src/org/chromium/content_shell_apk/ChildProcessLauncherTestUtils.java
diff --git a/content/shell/android/shell_apk/src/org/chromium/content_shell_apk/ChildProcessLauncherTestUtils.java b/content/shell/android/shell_apk/src/org/chromium/content_shell_apk/ChildProcessLauncherTestUtils.java
index 807e77ce0e7f1895e542a436923d365d26ce2d75..086dfd6abd2e1a2113004f9a08858291d7e09c04 100644
--- a/content/shell/android/shell_apk/src/org/chromium/content_shell_apk/ChildProcessLauncherTestUtils.java
+++ b/content/shell/android/shell_apk/src/org/chromium/content_shell_apk/ChildProcessLauncherTestUtils.java
@@ -61,10 +61,9 @@ public final class ChildProcessLauncherTestUtils {
         return runOnLauncherAndGetResult(new Callable<BaseChildProcessConnection>() {
             @Override
             public BaseChildProcessConnection call() {
-                return ChildProcessLauncher.startInternal(context, commandLine,
-                        0 /* childProcessId */, filesToMap, null /* launchCallback */,
-                        null /* childProcessCallback */, true /* inSandbox */,
-                        false /* alwaysInForeground */, params);
+                return ChildProcessLauncher.startInternal(context, commandLine, filesToMap,
+                        null /* launchCallback */, null /* childProcessCallback */,
+                        true /* inSandbox */, false /* alwaysInForeground */, params);
             }
         });
     }