Move files in wtf/ to platform/wtf/ (Part 10).

third_party/WebKit/Source/wtf/text/StringUTF8Adaptor.h

-/*
- * Copyright (C) 2013 Google Inc. All rights reserved.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions are
- * met:
- *
- *     * Redistributions of source code must retain the above copyright
- * notice, this list of conditions and the following disclaimer.
- *     * Redistributions in binary form must reproduce the above
- * copyright notice, this list of conditions and the following disclaimer
- * in the documentation and/or other materials provided with the
- * distribution.
- *     * Neither the name of Google Inc. nor the names of its
- * contributors may be used to endorse or promote products derived from
- * this software without specific prior written permission.
- *
- * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
- * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
- * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
- * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
- * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
- * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
- * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
- * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
- * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
- * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
- * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
- */
+// Copyright 2017 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.
 
-#ifndef StringUTF8Adaptor_h
-#define StringUTF8Adaptor_h
+#include "platform/wtf/text/StringUTF8Adaptor.h"
 
-#include "base/strings/string_piece.h"
-#include "wtf/Allocator.h"
-#include "wtf/text/CString.h"
-#include "wtf/text/TextEncoding.h"
-#include "wtf/text/WTFString.h"
-
-namespace WTF {
-
-// This class lets you get UTF-8 data out of a String without mallocing a
-// separate buffer to hold the data if the String happens to be 8 bit and
-// contain only ASCII characters.
-class StringUTF8Adaptor final {
-  DISALLOW_NEW();
-
- public:
-  StringUTF8Adaptor(const String& string,
-                    UTF8ConversionMode mode = LenientUTF8Conversion)
-      : m_data(0), m_length(0) {
-    if (string.isEmpty())
-      return;
-    // Unfortunately, 8 bit WTFStrings are encoded in Latin-1 and GURL uses
-    // UTF-8 when processing 8 bit strings. If |relative| is entirely ASCII, we
-    // luck out and can avoid mallocing a new buffer to hold the UTF-8 data
-    // because UTF-8 and Latin-1 use the same code units for ASCII code points.
-    if (string.is8Bit() && string.containsOnlyASCII()) {
-      m_data = reinterpret_cast<const char*>(string.characters8());
-      m_length = string.length();
-    } else {
-      m_utf8Buffer = string.utf8(mode);
-      m_data = m_utf8Buffer.data();
-      m_length = m_utf8Buffer.length();
-    }
-  }
-
-  const char* data() const { return m_data; }
-  size_t length() const { return m_length; }
-
-  base::StringPiece asStringPiece() const {
-    return base::StringPiece(m_data, m_length);
-  }
-
- private:
-  CString m_utf8Buffer;
-  const char* m_data;
-  size_t m_length;
-};
-
-}  // namespace WTF
-
-using WTF::StringUTF8Adaptor;
-
-#endif  // StringUTF8Adaptor_h
+// The contents of this header was moved to platform/wtf as part of
+// WTF migration project. See the following post for details:
+// https://groups.google.com/a/chromium.org/d/msg/blink-dev/tLdAZCTlcAA/bYXVT8gYCAAJ