Add long line exception for GEN('#include') in JS browser tests.

presubmit_canned_checks.py

 # Copyright (c) 2012 The Chromium Authors. All rights reserved.
 # Use of this source code is governed by a BSD-style license that can be
 # found in the LICENSE file.
 
 """Generic presubmit checks that can be reused by other presubmit checks."""
 
 import os as _os
 _HERE = _os.path.dirname(_os.path.abspath(__file__))
 
 # Justifications for each filter:
@@ skipping 324 matching lines @@
       '': maxlen,
   }
 
   # Language specific exceptions to max line length.
   # '.h' is considered an obj-c file extension, since OBJC_EXCEPTIONS are a
   # superset of CPP_EXCEPTIONS.
   CPP_FILE_EXTS = ('c', 'cc')
   CPP_EXCEPTIONS = ('#define', '#endif', '#if', '#include', '#pragma')
   JAVA_FILE_EXTS = ('java',)
   JAVA_EXCEPTIONS = ('import ', 'package ')
+  JS_FILE_EXTS = ('js',)
+  JS_EXCEPTIONS = ("GEN('#include",)
   OBJC_FILE_EXTS = ('h', 'm', 'mm')
   OBJC_EXCEPTIONS = ('#define', '#endif', '#if', '#import', '#include',
                      '#pragma')
-  PY_FILE_EXTS = ('py')
+  PY_FILE_EXTS = ('py',)
   PY_EXCEPTIONS = ('import', 'from')
 
   LANGUAGE_EXCEPTIONS = [
     (CPP_FILE_EXTS, CPP_EXCEPTIONS),
     (JAVA_FILE_EXTS, JAVA_EXCEPTIONS),
+    (JS_FILE_EXTS, JS_EXCEPTIONS),
     (OBJC_FILE_EXTS, OBJC_EXCEPTIONS),
     (PY_FILE_EXTS, PY_EXCEPTIONS),
   ]
 
   def no_long_lines(file_extension, line):
     # Check for language specific exceptions.
     if any(file_extension in exts and line.startswith(exceptions)
            for exts, exceptions in LANGUAGE_EXCEPTIONS):
       return True
 
@@ skipping 791 matching lines @@
   for f in affected_files:
     cmd = ['gn', 'format', '--dry-run', f.AbsoluteLocalPath()]
     rc = gn.main(cmd)
     if rc == 2:
       warnings.append(output_api.PresubmitPromptWarning(
           '%s requires formatting. Please run `gn format --in-place %s`.' % (
               f.AbsoluteLocalPath(), f.LocalPath())))
   # It's just a warning, so ignore other types of failures assuming they'll be
   # caught elsewhere.
   return warnings