Scanner / Unicode decoding: use size_t instead of unsigned.

src/heap-snapshot-generator.cc

 // Copyright 2013 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.
 
 #include "src/v8.h"
 
 #include "src/heap-snapshot-generator-inl.h"
 
 #include "src/allocation-tracker.h"
 #include "src/code-stubs.h"
@@ skipping 3084 matching lines @@
         writer_->AddCharacter(*s);
         continue;
       default:
         if (*s > 31 && *s < 128) {
           writer_->AddCharacter(*s);
         } else if (*s <= 31) {
           // Special character with no dedicated literal.
           WriteUChar(writer_, *s);
         } else {
           // Convert UTF-8 into \u UTF-16 literal.
-          unsigned length = 1, cursor = 0;
+          size_t length = 1, cursor = 0;
           for ( ; length <= 4 && *(s + length) != '\0'; ++length) { }
           unibrow::uchar c = unibrow::Utf8::CalculateValue(s, length, &cursor);
           if (c != unibrow::Utf8::kBadChar) {
             WriteUChar(writer_, c);
             DCHECK(cursor != 0);
             s += cursor - 1;
           } else {
             writer_->AddCharacter('?');
           }
         }
@@ skipping 15 matching lines @@
   writer_->AddString("\"<dummy>\"");
   for (int i = 1; i < sorted_strings.length(); ++i) {
     writer_->AddCharacter(',');
     SerializeString(sorted_strings[i]);
     if (writer_->aborted()) return;
   }
 }
 
 
 } }  // namespace v8::internal