JsonSchemaCompiler: Remove unused 'camel_case_enum_to_string' compiler option.

BUG=None

Change-Id: I48cbebafc592ce6e81561d8f822bd52161ca5f9e
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/2366292
Commit-Queue: Devlin <rdevlin.cronin@chromium.org>
Reviewed-by: Devlin <rdevlin.cronin@chromium.org>
Cr-Commit-Position: refs/heads/master@{#799997}

tools/json_schema_compiler/cc_generator.py

@@ -1219,8 +1219,6 @@ class _Generator(object):
     c.Sblock('switch (enum_param) {')
     for enum_value in self._type_helper.FollowRef(type_).enum_values:
       name = enum_value.name
-      if 'camel_case_enum_to_string' in self._namespace.compiler_options:
-        name = enum_value.CamelName()
       (c.Append('case %s: ' % self._type_helper.GetEnumValue(type_, enum_value))
         .Append('  return "%s";' % name))
     (c.Append('case %s:' % self._type_helper.GetEnumNoneValue(type_))
@@ -1251,8 +1249,6 @@ class _Generator(object):
       # "fatal error C1061: compiler limit : blocks nested too deeply"
       # on Windows.
       name = enum_value.name
-      if 'camel_case_enum_to_string' in self._namespace.compiler_options:
-        name = enum_value.CamelName()
       (c.Append('if (enum_string == "%s")' % name)
         .Append('  return %s;' %
             self._type_helper.GetEnumValue(type_, enum_value)))

tools/json_schema_compiler/idl_schema.py

@@ -529,8 +529,6 @@ class IDLSchema(object):
           platforms = list(node.value)
         elif node.name == 'implemented_in':
           compiler_options['implemented_in'] = node.value
-        elif node.name == 'camel_case_enum_to_string':
-          compiler_options['camel_case_enum_to_string'] = node.value
         elif node.name == 'generate_error_messages':
           compiler_options['generate_error_messages'] = True
         elif node.name == 'deprecated':