Pass file Regions along with FDs to child processes on Android

content/browser/android/child_process_launcher_android.h

 // Copyright (c) 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.
 
 #ifndef CONTENT_BROWSER_ANDROID_CHILD_PROCESS_LAUNCHER_ANDROID_H_
 #define CONTENT_BROWSER_ANDROID_CHILD_PROCESS_LAUNCHER_ANDROID_H_
 
 #include <jni.h>
+#include <map>
 
 #include "base/callback.h"
 #include "base/command_line.h"
+#include "base/files/memory_mapped_file.h"
 #include "base/process/process.h"
 #include "content/public/browser/file_descriptor_info.h"
 #include "ui/gl/android/scoped_java_surface.h"
 
 namespace content {
 
 typedef base::Callback<void(base::ProcessHandle)> StartChildProcessCallback;
 // Starts a process as a child process spawned by the Android
 // ActivityManager.
 // The created process handle is returned to the |callback| on success, 0 is
-// retuned if the process could not be created.
-void StartChildProcess(const base::CommandLine::StringVector& argv,
-                       int child_process_id,
-                       const scoped_ptr<FileDescriptorInfo> files_to_register,
-                       const StartChildProcessCallback& callback);
+// returned if the process could not be created.
+void StartChildProcess(
+    const base::CommandLine::StringVector& argv,
+    int child_process_id,
+    const scoped_ptr<FileDescriptorInfo> files_to_register,
+    const std::map<int, base::MemoryMappedFile::Region>& regions,
+    const StartChildProcessCallback& callback);
 
 // Stops a child process based on the handle returned form
 // StartChildProcess.
 void StopChildProcess(base::ProcessHandle handle);
 
 bool IsChildProcessOomProtected(base::ProcessHandle handle);
 
 void SetChildProcessInForeground(base::ProcessHandle handle,
                                  bool in_foreground);
 
 void RegisterViewSurface(int surface_id, jobject j_surface);
 
 void UnregisterViewSurface(int surface_id);
 
 void CreateSurfaceTextureSurface(int surface_texture_id,
                                  int client_id,
                                  gfx::SurfaceTexture* surface_texture);
 
 void DestroySurfaceTextureSurface(int surface_texture_id, int client_id);
 
 gfx::ScopedJavaSurface GetSurfaceTextureSurface(int surface_texture_id,
                                                 int client_id);
 
 bool RegisterChildProcessLauncher(JNIEnv* env);
 
 }  // namespace content
 
 #endif  // CONTENT_BROWSER_ANDROID_CHILD_PROCESS_LAUNCHER_ANDROID_H_