Revert of Chromium-side patch to rename "--dump-render-tree" to "--run-layout-test".

content/shell/app/shell_main_delegate_mac.mm

 // Copyright 2013 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 "content/shell/app/shell_main_delegate_mac.h"
 
 #include <unistd.h>
 
 #include "base/command_line.h"
 #include "base/files/file_path.h"
@@ skipping 11 matching lines @@
   if (base::CommandLine::ForCurrentProcess()->HasSwitch(switches::kProcessType))
     return;
 
   NSString* const kHighResolutionCapable = @"NSHighResolutionCapable";
   base::FilePath info_plist = GetInfoPlistPath();
   base::scoped_nsobject<NSMutableDictionary> info_dict(
       [[NSMutableDictionary alloc]
           initWithContentsOfFile:base::mac::FilePathToNSString(info_plist)]);
 
   bool running_layout_tests = base::CommandLine::ForCurrentProcess()->HasSwitch(
-      switches::kRunLayoutTest);
+      switches::kDumpRenderTree);
   bool not_high_resolution_capable =
       [info_dict objectForKey:kHighResolutionCapable] &&
       [[info_dict objectForKey:kHighResolutionCapable] isEqualToNumber:@(NO)];
   if (running_layout_tests == not_high_resolution_capable)
     return;
 
   // We need to update our Info.plist before we can continue.
   [info_dict setObject:@(!running_layout_tests) forKey:kHighResolutionCapable];
   CHECK([info_dict writeToFile:base::mac::FilePathToNSString(info_plist)
                     atomically:YES]);
 
   const base::CommandLine::StringVector& original_argv =
       base::CommandLine::ForCurrentProcess()->argv();
   char** argv = new char*[original_argv.size() + 1];
   for (unsigned i = 0; i < original_argv.size(); ++i)
     argv[i] = const_cast<char*>(original_argv.at(i).c_str());
   argv[original_argv.size()] = NULL;
 
   CHECK(execvp(argv[0], argv));
 }
 
 }  // namespace content