DevTools: always use 16bit strings for inspector protocol.

third_party/WebKit/Source/platform/inspector_protocol/String16WTF.cpp

+// 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.
+
+#include "platform/inspector_protocol/String16WTF.h"
+
+namespace blink {
+namespace protocol {
+
+String16::String16(const String16& other) : m_impl(other.m_impl) { }
+
+String16::String16(const UChar* u, unsigned length) : m_impl(u, length) { }
+
+String16::String16(const char* characters) : String16(characters, strlen(characters)) { }
+
+String16::String16(const WTF::String& other)
+{
+    if (other.isNull())
+        return;
+    if (!other.is8Bit()) {
+        m_impl = other;
+        return;
+    }
+
+    UChar* data;
+    const LChar* characters = other.characters8();
+    size_t length = other.length();
+    m_impl = String::createUninitialized(length, data);
+    for (size_t i = 0; i < length; ++i)
+        data[i] = characters[i];
+}
+
+String16::String16(const char* characters, size_t length)
+{
+    UChar* data;
+    m_impl = String::createUninitialized(length, data);
+    for (size_t i = 0; i < length; ++i)
+        data[i] = characters[i];
+}
+
+String16 String16::createUninitialized(unsigned length, UChar*& data)
+{
+    return String::createUninitialized(length, data);
+}
+
+} // namespace protocol
+} // namespace blink