Update some uses of char16 to use the base:: namespace.

chrome/renderer/spellchecker/spellcheck_language.cc

 // Copyright (c) 2012 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 "chrome/renderer/spellchecker/spellcheck_language.h"
 
 #include "base/logging.h"
 #include "chrome/renderer/spellchecker/spellcheck_worditerator.h"
 #include "chrome/renderer/spellchecker/spelling_engine.h"
 
@@ skipping 15 matching lines @@
   text_iterator_.Reset();
   contraction_iterator_.Reset();
 }
 
 bool SpellcheckLanguage::InitializeIfNeeded() {
   DCHECK(platform_spelling_engine_.get());
   return platform_spelling_engine_->InitializeIfNeeded();
 }
 
 bool SpellcheckLanguage::SpellCheckWord(
-    const char16* in_word,
+    const base::char16* in_word,
     int in_word_len,
     int tag,
     int* misspelling_start,
     int* misspelling_len,
     std::vector<base::string16>* optional_suggestions) {
   DCHECK(in_word_len >= 0);
   DCHECK(misspelling_start && misspelling_len) << "Out vars must be given.";
 
   // Do nothing if we need to delay initialization. (Rather than blocking,
   // report the word as correctly spelled.)
@@ skipping 71 matching lines @@
     if (!platform_spelling_engine_->CheckSpelling(word, tag))
       return false;
   }
   return true;
 }
 
 bool SpellcheckLanguage::IsEnabled() {
   DCHECK(platform_spelling_engine_.get());
   return platform_spelling_engine_->IsEnabled();
 }