Rearrange build configurations - make it clearer and allow better support for...

chrome/test/interactive_ui/interactive_ui_tests.gypi

 {
   'target_name': 'interactive_ui_tests',
   'type': 'executable',
   'msvs_guid': '018D4F38-6272-448F-A864-976DA09F05D0',
   'dependencies': [
     '<(DEPTH)/chrome/chrome.gyp:chrome',
     '<(DEPTH)/chrome/chrome.gyp:chrome_resources',
     '<(DEPTH)/chrome/chrome.gyp:chrome_strings',
     '<(DEPTH)/chrome/chrome.gyp:debugger',
     '<(DEPTH)/chrome/chrome.gyp:test_support_common',
@@ skipping 117 matching lines @@
         '<(SHARED_INTERMEDIATE_DIR)/webkit/webkit_resources.rc',
       ],
       'conditions': [
         ['win_use_allocator_shim==1', {
           'dependencies': [
              '<(DEPTH)/base/allocator/allocator.gyp:allocator',
           ],
         }],
       ],
       'configurations': {
-        'Debug': {
+        'Debug_Base': {
           'msvs_settings': {
             'VCLinkerTool': {
               'LinkIncremental': '<(msvs_large_module_debug_link_mode)',
             },
           },
         },
       },  # configurations
     }],  # OS=="win"
   ],  # conditions
 }