Implement a new child test helper for Android.

base/test/multiprocess_test.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 BASE_TEST_MULTIPROCESS_TEST_H_
 #define BASE_TEST_MULTIPROCESS_TEST_H_
 
 #include <string>
 
 #include "base/macros.h"
@@ skipping 48 matching lines @@
 // added. Note: On Windows, you probably want to set |options.start_hidden|.
 Process SpawnMultiProcessTestChild(
     const std::string& procname,
     const CommandLine& command_line,
     const LaunchOptions& options);
 
 // Gets the base command line for |SpawnMultiProcessTestChild()|. To this, you
 // may add any flags needed for your child process.
 CommandLine GetMultiProcessTestChildBaseCommandLine();
 
+#if defined(OS_ANDROID)
+
+// Enable the alternate test child implementation which support spawning a child
+// after threads have been created. If used, this MUST be the first line of
+// main(). The main function is passed in to avoid a link-time dependency in
+// component builds.
+void InitAndroidMultiProcessTestHelper(int (*main)(int, char**));
+
+// Wait for a test child to exit if the alternate test child implementation is
+// being used.
+bool AndroidWaitForChildExitWithTimeout(
+    const Process& process, TimeDelta timeout, int* exit_code)
+    WARN_UNUSED_RESULT;
+
+#endif  // defined(OS_ANDROID)
+
 // MultiProcessTest ------------------------------------------------------------
 
 // A MultiProcessTest is a test class which makes it easier to
 // write a test which requires code running out of process.
 //
 // To create a multiprocess test simply follow these steps:
 //
 // 1) Derive your test from MultiProcessTest. Example:
 //
 //    class MyTest : public MultiProcessTest {
@@ skipping 43 matching lines @@
   // |ModifyChildCommandLine()|; make the two divergent uses more sane.
   virtual CommandLine MakeCmdLine(const std::string& procname);
 
  private:
   DISALLOW_COPY_AND_ASSIGN(MultiProcessTest);
 };
 
 }  // namespace base
 
 #endif  // BASE_TEST_MULTIPROCESS_TEST_H_