[DevTools] Prepare inspector_protocol build to move.

third_party/WebKit/Source/platform/inspector_protocol/lib/Parser_cpp.template

 // Copyright 2016 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.
 
 {% for namespace in config.protocol.namespace %}
 namespace {{namespace}} {
 {% endfor %}
 
 namespace {
 
@@ skipping 307 matching lines @@
 
 template<typename Char>
 int hexToInt(Char c)
 {
     if ('0' <= c && c <= '9')
         return c - '0';
     if ('A' <= c && c <= 'F')
         return c - 'A' + 10;
     if ('a' <= c && c <= 'f')
         return c - 'a' + 10;
-    NOTREACHED();
+    DCHECK(false);
     return 0;
 }
 
 template<typename Char>
 bool decodeString(const Char* start, const Char* end, StringBuilder* output)
 {
     while (start < end) {
         uint16_t c = *start++;
         if ('\\' != c) {
             output->append(c);
@@ skipping 201 matching lines @@
 }
 
 std::unique_ptr<Value> parseJSON(const uint8_t* characters, unsigned length)
 {
     return parseJSONInternal<uint8_t>(characters, length);
 }
 
 {% for namespace in config.protocol.namespace %}
 } // namespace {{namespace}}
 {% endfor %}