Remove the unused helper apps on OS X.

chrome/app/chrome_main_delegate.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 "chrome/app/chrome_main_delegate.h"
 
 #include "base/base_paths.h"
 #include "base/command_line.h"
 #include "base/cpu.h"
 #include "base/files/file_path.h"
@@ skipping 595 matching lines @@
   //
   // This check is done this late so there is already a call to
   // base::mac::IsBackgroundOnlyProcess(), so there is no change in
   // startup/initialization order.
 
   // The helper's Info.plist marks it as a background only app.
   if (base::mac::IsBackgroundOnlyProcess()) {
     CHECK(command_line.HasSwitch(switches::kProcessType) &&
           !process_type.empty())
         << "Helper application requires --type.";
-
-    // In addition, some helper flavors only work with certain process types.
-    base::FilePath executable;
-    if (PathService::Get(base::FILE_EXE, &executable) &&
-        executable.value().size() >= 3) {
-      std::string last_three =
-          executable.value().substr(executable.value().size() - 3);
-
-      if (last_three == " EH") {
-        CHECK(process_type == switches::kPluginProcess ||
-              process_type == switches::kUtilityProcess)
-            << "Executable-heap process requires --type="
-            << switches::kPluginProcess << " or "
-            << switches::kUtilityProcess << ", saw " << process_type;
-      } else {
-        CHECK(process_type != switches::kPluginProcess)
-            << "Non-executable-heap PIE process is intolerant of --type="
-            << switches::kPluginProcess;
-      }
-    }
   } else {
     CHECK(!command_line.HasSwitch(switches::kProcessType) &&
           process_type.empty())
         << "Main application forbids --type, saw " << process_type;
   }
 }
 #endif  // defined(OS_MACOSX)
 
 void ChromeMainDelegate::PreSandboxStartup() {
   const base::CommandLine& command_line =
@@ skipping 319 matching lines @@
     case version_info::Channel::CANARY:
       return true;
     case version_info::Channel::DEV:
     case version_info::Channel::BETA:
     case version_info::Channel::STABLE:
     default:
       // Don't enable instrumentation.
       return false;
   }
 }