Pass file Regions along with FDs to child processes on Android

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

 // Copyright 2012 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.os.Bundle;
 
 import org.chromium.content.common.IChildProcessCallback;
 import org.chromium.content.common.IChildProcessService;
@@ skipping 22 matching lines @@
          * Called when the connection to the service is established.
          * @param pid the pid of the child process
          */
         void onConnected(int pid);
     }
 
     // Names of items placed in the bind intent or connection bundle.
     public static final String EXTRA_COMMAND_LINE =
             "com.google.android.apps.chrome.extra.command_line";
     // Note the FDs may only be passed in the connection bundle.
-    public static final String EXTRA_FILES_PREFIX =
-            "com.google.android.apps.chrome.extra.extraFile_";
-    public static final String EXTRA_FILES_ID_SUFFIX = "_id";
-    public static final String EXTRA_FILES_FD_SUFFIX = "_fd";
+    public static final String EXTRA_FILES = "com.google.android.apps.chrome.extra.extraFiles";
 
     // Used to pass the CPU core count to child processes.
     public static final String EXTRA_CPU_COUNT =
             "com.google.android.apps.chrome.extra.cpu_count";
     // Used to pass the CPU features mask to child processes.
     public static final String EXTRA_CPU_FEATURES =
             "com.google.android.apps.chrome.extra.cpu_features";
 
     int getServiceNumber();
 
@@ skipping 68 matching lines @@
      * call should be succeeded by removeStrongBinding(), but multiple strong bindings can be
      * requested and released independently.
      */
     void addStrongBinding();
 
     /**
      * Called when the service is no longer in active use of the consumer.
      */
     void removeStrongBinding();
 }