plan_blink_move.py: 'String16' should be treated as one token

String16MojomTraits*.* in platform/mojom/ should be renamed to
string16_mojom_traits*.* for consistency
with //base/strings/string16*.*.

Bug: 578345
Change-Id: Ic84f8e356281a446baaadaf498b31788202d1f97
Reviewed-on: https://chromium-review.googlesource.com/991795Reviewed-by: Hitoshi Yoshida <peria@chromium.org>
Commit-Queue: Kent Tamura <tkent@chromium.org>
Cr-Commit-Position: refs/heads/master@{#547648}

third_party/blink/tools/blinkpy/common/name_style_converter.py

@@ -8,6 +8,7 @@ import re
 
 SPECIAL_TOKENS = [
     # This list should be sorted by length.
+    'String16',
     'CString',
     'Float32',
     'Float64',

third_party/blink/tools/blinkpy/common/name_style_converter_test.py

@@ -131,6 +131,8 @@ class SmartTokenizerTest(unittest.TestCase):
         self.assertEqual(tokenizer.tokenize(), ['V8', 'Binding', 'For', 'Core'])
         tokenizer = SmartTokenizer('V8DOMRect')
         self.assertEqual(tokenizer.tokenize(), ['V8', 'DOM', 'Rect'])
+        tokenizer = SmartTokenizer('String16MojomTraits')
+        self.assertEqual(tokenizer.tokenize(), ['String16', 'Mojom', 'Traits'])
 
         tokenizer = SmartTokenizer('V0InsertionPoint')
         self.assertEqual(tokenizer.tokenize(), ['V0', 'Insertion', 'Point'])