Pass file Regions along with FDs to child processes on Android

content/browser/android/child_process_launcher_android.h

Index: content/browser/android/child_process_launcher_android.h
diff --git a/content/browser/android/child_process_launcher_android.h b/content/browser/android/child_process_launcher_android.h
index d1de985a8f9691b471e3f6c3e9568c61f3836a8e..ea806ac557132af9ac39f842ff92bbc8ac9323fa 100644
--- a/content/browser/android/child_process_launcher_android.h
+++ b/content/browser/android/child_process_launcher_android.h
@@ -6,9 +6,11 @@
 #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"
@@ -19,11 +21,13 @@ 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.