Move InMemoryURLIndex outside of history namespace

chrome/browser/autocomplete/history_provider.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/history_provider.h"
 
 #include <string>
 
 #include "base/strings/string_util.h"
 #include "base/strings/utf_string_conversions.h"
@@ skipping 62 matching lines @@
         matches_.erase(i);
       }
       break;
     }
   }
   DCHECK(found) << "Asked to delete a URL that isn't in our set of matches";
 }
 
 // static
 ACMatchClassifications HistoryProvider::SpansFromTermMatch(
-    const history::TermMatches& matches,
+    const TermMatches& matches,
     size_t text_length,
     bool is_url) {
   ACMatchClassification::Style url_style =
       is_url ? ACMatchClassification::URL : ACMatchClassification::NONE;
   ACMatchClassifications spans;
   if (matches.empty()) {
     if (text_length)
       spans.push_back(ACMatchClassification(0, url_style));
     return spans;
   }
   if (matches[0].offset)
     spans.push_back(ACMatchClassification(0, url_style));
   size_t match_count = matches.size();
   for (size_t i = 0; i < match_count;) {
     size_t offset = matches[i].offset;
     spans.push_back(ACMatchClassification(offset,
         ACMatchClassification::MATCH | url_style));
     // Skip all adjacent matches.
     do {
       offset += matches[i].length;
       ++i;
     } while ((i < match_count) && (offset == matches[i].offset));
     if (offset < text_length)
       spans.push_back(ACMatchClassification(offset, url_style));
   }
 
   return spans;
 }