Improve process launch handle sharing API.

components/crash/content/browser/crash_dump_observer_android.cc

 // Copyright 2015 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.
 
 #include "components/crash/content/browser/crash_dump_observer_android.h"
 
 #include <unistd.h>
 
 #include "base/bind.h"
 #include "base/logging.h"
@@ skipping 66 matching lines @@
       registered_clients_copy.push_back(client.get());
   }
   for (auto* client : registered_clients_copy) {
     client->OnChildExit(child_process_id, pid, process_type, termination_status,
                         app_state);
   }
 }
 
 void CrashDumpObserver::BrowserChildProcessStarted(
     int child_process_id,
-    content::FileDescriptorInfo* mappings) {
+    content::PosixFileDescriptorInfo* mappings) {
   std::vector<Client*> registered_clients_copy;
   {
     base::AutoLock auto_lock(registered_clients_lock_);
     for (auto& client : registered_clients_)
       registered_clients_copy.push_back(client.get());
   }
   for (auto* client : registered_clients_copy) {
     client->OnChildStart(child_process_id, mappings);
   }
 }
@@ skipping 63 matching lines @@
     if (pid == base::kNullProcessHandle) {
       pid = iter->second;
     }
     child_process_id_to_pid_.erase(iter);
   }
   OnChildExit(rph->GetID(), pid, content::PROCESS_TYPE_RENDERER, term_status,
               app_state);
 }
 
 }  // namespace breakpad