Adding two new windows configuration types:...

chrome/installer/mini_installer.gyp

 {
   'variables': {
     'version_py': '../../chrome/tools/build/version.py',
     'version_path': '../../chrome/VERSION',
     'lastchange_path': '<(SHARED_INTERMEDIATE_DIR)/build/LASTCHANGE',
     # 'branding_dir' is set in the 'conditions' section at the bottom.
     'msvs_use_common_release': 0,
     'msvs_use_common_linker_extras': 0,
   },
   'includes': [
@@ skipping 68 matching lines @@
               },
             },
             'Release': {
               'msvs_props': ['mini_installer/mini_installer_release.vsprops'],
               'msvs_settings': {
                 'VCCLCompilerTool': {
                   'BasicRuntimeChecks': '0',
                 },
               },
             },
+            'conditions': [
+              ['OS=="win"', {
+                # TODO(bradnelson): add a gyp mechanism to make this more
+                # graceful.
+                'Purify': {
+                  'msvs_props': [
+                    'mini_installer/mini_installer_release.vsprops'
+                  ],
+                  'msvs_settings': {
+                    'VCCLCompilerTool': {
+                      'BasicRuntimeChecks': '0',
+                    },
+                  },
+                },
+                'Release - no tcmalloc': {
+                  'msvs_props': [
+                    'mini_installer/mini_installer_release.vsprops'
+                  ],
+                  'msvs_settings': {
+                    'VCCLCompilerTool': {
+                      'BasicRuntimeChecks': '0',
+                    },
+                  },
+                },
+              }],
+            ],
           },
           'rules': [
             {
               'rule_name': 'mini_installer_version',
               'extension': 'version',
               'variables': {
                 'template_input_path': 'mini_installer/mini_installer_exe_version.rc.version',
               },
               'inputs': [
                 '<(template_input_path)',
@@ skipping 73 matching lines @@
       'variables': {
          'branding_dir': '../app/theme/google_chrome',
       },
     }, { # else branding!="Chrome"
       'variables': {
          'branding_dir': '../app/theme/chromium',
       },
     }],
   ],
 }