IPC: Make ipc_perftests run on Android.

ipc/ipc_multiprocess_test.cc

 // 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.
 
 #include "build/build_config.h"
 
+#include "ipc/ipc_channel.h"
 #include "ipc/ipc_multiprocess_test.h"
 
 #if defined(OS_POSIX)
 #include "base/posix/global_descriptors.h"
 #include "ipc/ipc_descriptors.h"
 #endif
 
 namespace internal {
 
 void MultiProcessTestIPCSetUp() {
+#if defined(OS_ANDROID)
+  // On Android we can't 'exec'. So for simple multi-process tests
+  // we need to reset some global data after forking to get the same
+  // behavior in simple multi-process tests.
+  IPC::Channel::NotifyProcessForkedForTesting();
+#endif
 #if defined(OS_POSIX)
   base::GlobalDescriptors::GetInstance()->Set(kPrimaryIPCChannel,
       kPrimaryIPCChannel + base::GlobalDescriptors::kBaseDescriptor);
 #endif
 }
 
 }  // namespace internal