Makes the omnibox show past searches and suggestions for keywords....

chrome/browser/autocomplete/keyword_provider.h

-// Copyright (c) 2006-2008 The Chromium Authors. All rights reserved.
+// Copyright (c) 2009 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.
 //
 // This file contains the keyword autocomplete provider. The keyword provider
 // is responsible for remembering/suggesting user "search keyword queries"
 // (e.g.  "imdb Godzilla") and then fixing them up into valid URLs.  An
 // instance of it gets created and managed by the autocomplete controller.
 // KeywordProvider uses a TemplateURLModel to find the set of keywords.
 //
 // For more information on the autocomplete system in general, including how
@@ skipping 38 matching lines @@
   KeywordProvider(ACProviderListener* listener, Profile* profile);
   // For testing.
   KeywordProvider(ACProviderListener* listener, TemplateURLModel* model);
 
   // Returns the replacement string from the user input. The replacement
   // string is the portion of the input that does not contain the keyword.
   // For example, the replacement string for "b blah" is blah.
   static std::wstring SplitReplacementStringFromInput(
       const std::wstring& input);
 
+  // Returns the matching substituting keyword for |input|, or NULL if there
+  // is no keyword for the specified input.
+  static const TemplateURL* GetSubstitutingTemplateURLForInput(
+      Profile* profile,
+      const AutocompleteInput& input,
+      std::wstring* remaining_input);
+
   // AutocompleteProvider
   virtual void Start(const AutocompleteInput& input,
                      bool minimal_changes);
 
  private:
+  // Extracts the keyword from |input| into |keyword|. Any remaining characters
+  // after the keyword are placed in |remaining_input|. Returns true if |input|
+  // is valid and has a keyword. This makes use of SplitKeywordFromInput to
+  // extract the keyword and remaining string, and uses
+  // TemplateURLModel::CleanUserInputKeyword to remove unnecessary characters.
+  // In general use this instead of SplitKeywordFromInput.
+  static bool ExtractKeywordFromInput(const AutocompleteInput& input,
+                                      std::wstring* keyword,
+                                      std::wstring* remaining_input);
+
   // Extracts the next whitespace-delimited token from input and returns it.
   // Sets |remaining_input| to everything after the first token (skipping over
   // intervening whitespace).
   static std::wstring SplitKeywordFromInput(const std::wstring& input,
                                             std::wstring* remaining_input);
 
   // Fills in the "destination_url" and "contents" fields of |match| with the
   // provided user input and keyword data.
   static void FillInURLAndContents(
       const std::wstring& remaining_input,
@@ skipping 17 matching lines @@
       const std::wstring& remaining_input);
 
   // Model for the keywords.  This is only non-null when testing, otherwise the
   // TemplateURLModel from the Profile is used.
   TemplateURLModel* model_;
 
   DISALLOW_EVIL_CONSTRUCTORS(KeywordProvider);
 };
 
 #endif  // CHROME_BROWSER_AUTOCOMPLETE_KEYWORD_PROVIDER_H_