[Mac] Enforce proper usage of main app bundle and helper app bundle....

chrome/test/in_process_browser_test.cc

 // Copyright (c) 2010 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 "chrome/test/in_process_browser_test.h"
 
 #include "base/command_line.h"
 #include "base/file_path.h"
 #include "base/file_util.h"
 #include "base/path_service.h"
@@ skipping 148 matching lines @@
   command_line->AppendSwitchPath(switches::kBrowserSubprocessPath,
                                  command_line->GetProgram());
 #else
   // Explicitly set the path of the binary used for child processes, otherwise
   // they'll try to use browser_tests which doesn't contain ChromeMain.
   FilePath subprocess_path;
   PathService::Get(base::FILE_EXE, &subprocess_path);
   subprocess_path = subprocess_path.DirName();
   subprocess_path = subprocess_path.AppendASCII(WideToASCII(
       chrome::kBrowserProcessExecutablePath));
+#if defined(OS_MACOSX)
+  // Recreate the real environment, run the helper within the app bundle.
+  subprocess_path = subprocess_path.DirName().DirName();
+  DCHECK_EQ(subprocess_path.BaseName().value(), "Contents");
+  subprocess_path =
+      subprocess_path.Append("Versions").Append(chrome::kChromeVersion);
+  subprocess_path =
+      subprocess_path.Append(chrome::kHelperProcessExecutablePath);
+#endif
   command_line->AppendSwitchPath(switches::kBrowserSubprocessPath,
                                  subprocess_path);
 #endif
 
   // Enable warning level logging so that we can see when bad stuff happens.
   command_line->AppendSwitch(switches::kEnableLogging);
   command_line->AppendSwitchASCII(switches::kLoggingLevel, "1");  // warning
 
   // If ncecessary, disable TabCloseableStateWatcher.
   if (!tab_closeable_state_watcher_enabled_)
@@ skipping 151 matching lines @@
   MessageLoopForUI::current()->Quit();
 
   // WARNING: This must be after Quit as it returns.
   FAIL() << error_message;
 }
 
 void InProcessBrowserTest::SetInitialTimeoutInMS(int timeout_value) {
   DCHECK_GT(timeout_value, 0);
   initial_timeout_ = timeout_value;
 }