[wasm] Write fuzzers for single wasm sections.

test/fuzzer/fuzzer.isolate

 # Copyright 2016 the V8 project authors. All rights reserved.
 # Use of this source code is governed by a BSD-style license that can be
 # found in the LICENSE file.
 
 {
   'variables': {
     'files': [
       '<(PRODUCT_DIR)/v8_simple_json_fuzzer<(EXECUTABLE_SUFFIX)',
       '<(PRODUCT_DIR)/v8_simple_parser_fuzzer<(EXECUTABLE_SUFFIX)',
       '<(PRODUCT_DIR)/v8_simple_regexp_fuzzer<(EXECUTABLE_SUFFIX)',
       '<(PRODUCT_DIR)/v8_simple_wasm_fuzzer<(EXECUTABLE_SUFFIX)',
       '<(PRODUCT_DIR)/v8_simple_wasm_asmjs_fuzzer<(EXECUTABLE_SUFFIX)',
       '<(PRODUCT_DIR)/v8_simple_wasm_code_fuzzer<(EXECUTABLE_SUFFIX)',
+      '<(PRODUCT_DIR)/v8_simple_wasm_section_fuzzer<(EXECUTABLE_SUFFIX)',
       './fuzzer.status',
       './testcfg.py',
       './json/',
       './parser/',
       './regexp/',
       './wasm/',
       './wasm_asmjs/',
       './wasm_code/',
+      './wasm_section/',
     ],
   },
   'includes': [
     '../../src/base.isolate',
     '../../tools/testrunner/testrunner.isolate',
   ],
 }