Upstreaming mechanism to add query refinement to omnibox searches.

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/string_util.h"
 #include "base/utf_string_conversions.h"
 #include "chrome/browser/external_protocol/external_protocol_handler.h"
 #include "chrome/browser/net/url_fixer_upper.h"
@@ skipping 22 matching lines @@
       type_(INVALID),
       prevent_inline_autocomplete_(false),
       prefer_keyword_(false),
       allow_exact_keyword_match_(true),
       matches_requested_(ALL_MATCHES) {
 }
 
 AutocompleteInput::AutocompleteInput(const string16& text,
                                      size_t cursor_position,
                                      const string16& desired_tld,
+                                     const GURL& current_url,
                                      bool prevent_inline_autocomplete,
                                      bool prefer_keyword,
                                      bool allow_exact_keyword_match,
                                      MatchesRequested matches_requested)
     : cursor_position_(cursor_position),
+      current_url_(current_url),
       prevent_inline_autocomplete_(prevent_inline_autocomplete),
       prefer_keyword_(prefer_keyword),
       allow_exact_keyword_match_(allow_exact_keyword_match),
       matches_requested_(matches_requested) {
   DCHECK(cursor_position <= text.length() || cursor_position == string16::npos)
       << "Text: '" << text << "', cp: " << cursor_position;
   // None of the providers care about leading white space so we always trim it.
   // Providers that care about trailing white space handle trimming themselves.
   if ((TrimWhitespace(text, TRIM_LEADING, &text_) & TRIM_LEADING) != 0)
     AdjustCursorPositionIfNecessary(text.length() - text_.length(),
@@ skipping 433 matching lines @@
   DCHECK(cursor_position <= text.length() || cursor_position == string16::npos)
       << "Text: '" << text << "', cp: " << cursor_position;
   text_ = text;
   cursor_position_ = cursor_position;
   parts_ = parts;
 }
 
 void AutocompleteInput::Clear() {
   text_.clear();
   cursor_position_ = string16::npos;
+  current_url_ = GURL();
   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;
 }