[inspector] Fix double rules warning when compiling inspector with GYP

src/v8.gyp

 # Copyright 2012 the V8 project authors. All rights reserved.
 # Redistribution and use in source and binary forms, with or without
 # modification, are permitted provided that the following conditions are
 # met:
 #
 #     * Redistributions of source code must retain the above copyright
 #       notice, this list of conditions and the following disclaimer.
 #     * Redistributions in binary form must reproduce the above
 #       copyright notice, this list of conditions and the following
 #       disclaimer in the documentation and/or other materials provided
@@ skipping 351 matching lines @@
           ],
         }],
       ],
     },
     {
       'target_name': 'v8_base',
       'type': 'static_library',
       'dependencies': [
         'v8_libbase',
         'v8_libsampler',
-        'inspector/inspector.gyp:protocol_generated_sources',
-        'inspector/inspector.gyp:inspector_injected_script',
-        'inspector/inspector.gyp:inspector_debugger_script',
+        'inspector/inspector.gyp:protocol_generated_sources#target',
+        'inspector/inspector.gyp:inspector_injected_script#target',
+        'inspector/inspector.gyp:inspector_debugger_script#target',
       ],
       'objs': ['foo.o'],
       'variables': {
         'optimize': 'max',
       },
       'include_dirs+': [
         '..',
         '<(DEPTH)',
         '<(SHARED_INTERMEDIATE_DIR)'
       ],
@@ skipping 2092 matching lines @@
         }],
         ['want_separate_host_toolset==1', {
           'toolsets': ['host'],
         }, {
           'toolsets': ['target'],
         }],
       ],
     },
   ],
 }