Move EmptyString, kWhitespace and the BOM to base.

chrome/browser/autocomplete/autocomplete_input.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/browser/autocomplete/autocomplete_input.h"
 
 #include "base/strings/string_util.h"
 #include "base/strings/utf_string_conversions.h"
 #include "chrome/browser/external_protocol/external_protocol_handler.h"
 #include "chrome/browser/profiles/profile_io_data.h"
@@ skipping 103 matching lines @@
     case FORCED_QUERY:  return "forced-query";
 
     default:
       NOTREACHED();
       return std::string();
   }
 }
 
 // static
 AutocompleteInput::Type AutocompleteInput::Parse(
-    const string16& text,
-    const string16& desired_tld,
+    const base::string16& text,
+    const base::string16& desired_tld,
     url_parse::Parsed* parts,
-    string16* scheme,
+    base::string16* scheme,
     GURL* canonicalized_url) {
-  const size_t first_non_white = text.find_first_not_of(kWhitespaceUTF16, 0);
+  size_t first_non_white = text.find_first_not_of(base::kWhitespaceUTF16, 0);
   if (first_non_white == string16::npos)
     return INVALID;  // All whitespace.
 
   if (text.at(first_non_white) == L'?') {
     // If the first non-whitespace character is a '?', we magically treat this
     // as a query.
     return FORCED_QUERY;
   }
 
   // Ask our parsing back-end to help us understand what the user typed.  We
@@ skipping 385 matching lines @@
   current_page_classification_ = AutocompleteInput::INVALID_SPEC;
   type_ = INVALID;
   parts_ = url_parse::Parsed();
   scheme_.clear();
   canonicalized_url_ = GURL();
   prevent_inline_autocomplete_ = false;
   prefer_keyword_ = false;
   allow_exact_keyword_match_ = false;
   matches_requested_ = ALL_MATCHES;
 }