Move InMemoryURLIndex outside of history namespace

chrome/browser/autocomplete/history_quick_provider.h

 // 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.
 
 #ifndef CHROME_BROWSER_AUTOCOMPLETE_HISTORY_QUICK_PROVIDER_H_
 #define CHROME_BROWSER_AUTOCOMPLETE_HISTORY_QUICK_PROVIDER_H_
 
 #include <string>
 
 #include "base/basictypes.h"
 #include "base/compiler_specific.h"
 #include "chrome/browser/autocomplete/history_provider.h"
 #include "chrome/browser/autocomplete/in_memory_url_index.h"
 #include "components/history/core/browser/history_types.h"
 #include "components/omnibox/autocomplete_input.h"
 #include "components/omnibox/autocomplete_match.h"
 
 class Profile;
-
-namespace history {
 struct ScoredHistoryMatch;
-}
 
 // This class is an autocomplete provider (a pseudo-internal component of
 // the history system) which quickly (and synchronously) provides matching
 // results from recently or frequently visited sites in the profile's
 // history.
 class HistoryQuickProvider : public HistoryProvider {
  public:
   explicit HistoryQuickProvider(Profile* profile);
 
   // AutocompleteProvider. |minimal_changes| is ignored since there is no asynch
@@ skipping 14 matching lines @@
   FRIEND_TEST_ALL_PREFIXES(HistoryQuickProviderTest, Spans);
   FRIEND_TEST_ALL_PREFIXES(HistoryQuickProviderTest, Relevance);
 
   ~HistoryQuickProvider() override;
 
   // Performs the autocomplete matching and scoring.
   void DoAutocomplete();
 
   // Creates an AutocompleteMatch from |history_match|, assigning it
   // the score |score|.
-  AutocompleteMatch QuickMatchToACMatch(
-      const history::ScoredHistoryMatch& history_match,
-      int score);
+  AutocompleteMatch QuickMatchToACMatch(const ScoredHistoryMatch& history_match,
+                                        int score);
 
   // Returns the index that should be used for history lookups.
-  history::InMemoryURLIndex* GetIndex();
+  InMemoryURLIndex* GetIndex();
 
   // Only for use in unittests.  Takes ownership of |index|.
-  void set_index(history::InMemoryURLIndex* index) {
-    index_for_testing_.reset(index);
-  }
+  void set_index(InMemoryURLIndex* index) { index_for_testing_.reset(index); }
 
   AutocompleteInput autocomplete_input_;
   std::string languages_;
 
   // Only used for testing.
-  scoped_ptr<history::InMemoryURLIndex> index_for_testing_;
+  scoped_ptr<InMemoryURLIndex> index_for_testing_;
 
   // This provider is disabled when true.
   static bool disabled_;
 
   DISALLOW_COPY_AND_ASSIGN(HistoryQuickProvider);
 };
 
 #endif  // CHROME_BROWSER_AUTOCOMPLETE_HISTORY_QUICK_PROVIDER_H_