Add next_version_mini_installer target.

chrome/installer/mini_installer.gyp

 {
   'variables': {
     'chromium_code': 1,
     'msvs_use_common_release': 0,
     'msvs_use_common_linker_extras': 0,
     'mini_installer_internal_deps%': 0,
     'mini_installer_official_deps%': 0,
   },
   'includes': [
     '../../build/win_precompile.gypi',
   ],
   'conditions': [
     ['OS=="win"', {
       'targets': [
         {
           'target_name': 'mini_installer',
           'variables': {
             'chrome_dll_project': [
               '../chrome.gyp:chrome_dll',
             ],
             'chrome_dll_path': [
               '<(PRODUCT_DIR)/chrome.dll',
             ],
             'output_dir': '<(PRODUCT_DIR)',
           },
           'includes': [
             'mini_installer.gypi',
           ],
-        }
+        },
       ],
       'conditions': [
         ['test_isolation_mode != "noop"', {
           'targets': [
             {
               'target_name': 'mini_installer_tests_run',
               'type': 'none',
               'dependencies': [
                 'mini_installer',
               ],
               'includes': [
                 '../../build/isolate.gypi',
               ],
               'sources': [
                 'mini_installer_tests.isolate',
               ],
             },
           ],
         }],
+        # next_version_mini_installer.exe can't be generated in an x86 Debug
+        # component build because it requires too much memory. Don't define the
+        # target for any x86 component build since gyp doesn't allow use of the
+        # configuration name in conditionals.
+        ['component!="shared_library" or target_arch!="ia32"', {
+          'targets': [
+            {
+              # GN version: //chrome/installer/mini_installer:next_version_mini_installer
+              'target_name': 'next_version_mini_installer',
+              'type': 'none',
+              'dependencies': [
+                'mini_installer',
+                '<(DEPTH)/chrome/installer/upgrade_test.gyp:alternate_version_generator',
+              ],
+              'variables': {
+                'alternate_version_generator_exe': 'alternate_version_generator.exe',
+                'next_version_mini_installer_exe': 'next_version_mini_installer.exe',
+              },
+              'actions': [
+                {
+                  'action_name': 'generate_next_version_mini_installer',
+                  'inputs': [
+                    '<(PRODUCT_DIR)/<(alternate_version_generator_exe)',
+                    '<(PRODUCT_DIR)/mini_installer.exe',
+                  ],
+                  'outputs': [
+                    '<(PRODUCT_DIR)/next_version_mini_installer.exe',
+                  ],
+                  'action': [
+                    '<(PRODUCT_DIR)/<(alternate_version_generator_exe)',
+                    '--force',
+                    '--out=<(PRODUCT_DIR)/<(next_version_mini_installer_exe)',
+                  ],
+                }
+              ],
+            },
+          ],
+        }],
       ],
     }],
   ],
 }