[wasm][asm.js] Adding custom asm.js lexer.

test/cctest/cctest.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 14 matching lines @@
 # (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
 # OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 
 # The sources are kept automatically in sync with BUILD.gn.
 
 {
   'variables': {
     'v8_code': 1,
     'generated_file': '<(SHARED_INTERMEDIATE_DIR)/resources.cc',
     'cctest_sources': [  ### gcmole(all) ###
+      'asmjs/test-asm-lexer.cc',
       'asmjs/test-asm-typer.cc',
       'ast-types-fuzz.h',
       'compiler/c-signature.h',
       'compiler/call-tester.h',
       'compiler/codegen-tester.cc',
       'compiler/codegen-tester.h',
       'compiler/code-assembler-tester.h',
       'compiler/function-tester.cc',
       'compiler/function-tester.h',
       'compiler/graph-builder-tester.h',
@@ skipping 480 matching lines @@
             '../../gypfiles/isolate.gypi',
           ],
           'sources': [
             'cctest.isolate',
           ],
         },
       ],
     }],
   ],
 }