autocomplete: Add AutocompleteProvider::Type enum.

chrome/browser/autocomplete/autocomplete_classifier.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_AUTOCOMPLETE_CLASSIFIER_H_
 #define CHROME_BROWSER_AUTOCOMPLETE_AUTOCOMPLETE_CLASSIFIER_H_
 
 #include "base/basictypes.h"
 #include "base/compiler_specific.h"
 #include "base/memory/scoped_ptr.h"
 #include "base/string16.h"
 #include "chrome/browser/profiles/profile_keyed_service.h"
 
 class AutocompleteController;
 struct AutocompleteMatch;
 class GURL;
 class Profile;
 
 class AutocompleteClassifier : public ProfileKeyedService {
  public:
+  // Bitmap of AutocompleteProvider::Type values describing the default set of
+  // providers queried for the omnibox.  Intended to be passed to
+  // AutocompleteController().
+  static const int kDefaultOmniboxProviders;
+
   explicit AutocompleteClassifier(Profile* profile);
   virtual ~AutocompleteClassifier();
 
   // Given some string |text| that the user wants to use for navigation,
   // determines how it should be interpreted.  |desired_tld| is the user's
   // desired TLD, if any; see AutocompleteInput::desired_tld().
   // |prefer_keyword| should be true the when keyword UI is onscreen; see
   // comments on AutocompleteController::Start().
   // |allow_exact_keyword_match| should be true when treating the string as a
   // potential keyword search is valid; see
@@ skipping 18 matching lines @@
   scoped_ptr<AutocompleteController> controller_;
 
   // Are we currently in Classify? Used to verify Classify isn't invoked
   // recursively, since this can corrupt state and cause crashes.
   bool inside_classify_;
 
   DISALLOW_IMPLICIT_CONSTRUCTORS(AutocompleteClassifier);
 };
 
 #endif  // CHROME_BROWSER_AUTOCOMPLETE_AUTOCOMPLETE_CLASSIFIER_H_