Port DictionaryValue to use string16 instead of wstring.

chrome/browser/autocomplete/search_provider.cc

 // Copyright (c) 2006-2008 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/browser/autocomplete/search_provider.h"
 
 #include "base/message_loop.h"
 #include "base/string_util.h"
 #include "chrome/browser/browser_process.h"
 #include "chrome/browser/google_util.h"
@@ skipping 284 matching lines @@
   // 5th argument: Optional key-value pairs.
   // TODO: We may iterate the 5th+ arguments of the root_list if any other
   // optional data are defined.
   if (root_list->GetSize() > 4) {
     Value* optional_val;
     if (root_list->Get(4, &optional_val) &&
         optional_val->IsType(Value::TYPE_DICTIONARY)) {
       DictionaryValue* dict_val = static_cast<DictionaryValue*>(optional_val);
 
       // Parse Google Suggest specific type extension.
-      static const std::wstring kGoogleSuggestType(L"google:suggesttype");
+      static const string16 kGoogleSuggestType(
+          ASCIIToUTF16("google:suggesttype"));
       if (dict_val->HasKey(kGoogleSuggestType))
         dict_val->GetList(kGoogleSuggestType, &type_list);
     }
   }
 
   ListValue* result_list = static_cast<ListValue*>(result_val);
   for (size_t i = 0; i < result_list->GetSize(); ++i) {
     Value* suggestion_val;
     std::wstring suggestion_str;
     if (!result_list->Get(i, &suggestion_val) ||
@@ skipping 301 matching lines @@
   const size_t after_slashes = std::min(url->length(),
                                         static_cast<size_t>(scheme.end() + 3));
   while ((prefix_len < after_slashes) && ((*url)[prefix_len] == L'/'))
     ++prefix_len;
   if (prefix_len == url->length())
     url->clear();
   else
     url->erase(url->begin(), url->begin() + prefix_len);
   return prefix_len;
 }