chromeos: Delete old, unused contacts code.

chrome/common/metrics/proto/omnibox_event.proto

 // 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.
 //
 // Stores information about an omnibox interaction.
 
 syntax = "proto2";
 
 option optimize_for = LITE_RUNTIME;
 
@@ skipping 122 matching lines @@
     UNKNOWN_PROVIDER = 0;  // Unknown provider (should not reach here)
     HISTORY_URL = 1;       // URLs in history, or user-typed URLs
     HISTORY_CONTENTS = 2;  // Matches for page contents of pages in history
     HISTORY_QUICK = 3;     // Matches for recently or frequently visited pages
                            // in history
     SEARCH = 4;            // Search suggestions for the default search engine
     KEYWORD = 5;           // Keyword-triggered searches
     BUILTIN = 6;           // Built-in URLs, such as chrome://version
     SHORTCUTS = 7;         // Recently selected omnibox suggestions
     EXTENSION_APPS = 8;    // Custom suggestions from extensions and/or apps
-    CONTACT = 9;           // The user's contacts
+    CONTACT = 9;           // DEPRECATED. The user's contacts
     BOOKMARK = 10;         // The user's bookmarks
     ZERO_SUGGEST = 11;     // Suggestions based on the current page
     // This enum value is currently only used by Android GSA. It represents
     // a suggestion from the phone.
     ON_DEVICE = 12;
   }
 
   // The result set displayed on the completion popup
   // Next tag: 6
   message Suggestion {
@@ skipping 17 matching lines @@
                                   // default engine)
       SEARCH_HISTORY = 8;         // A past search (with the default engine)
                                   // containing the input
       SEARCH_SUGGEST = 9;         // A suggested search (with the default
                                   // engine) query that doesn't fall into one of
                                   // the more specific suggestion categories
                                   // below.
       SEARCH_OTHER_ENGINE = 10;   // A search with a non-default engine
       EXTENSION_APP = 11;         // An Extension App with a title/url that
                                   // contains the input
-      CONTACT = 12;               // One of the user's contacts
+      CONTACT = 12;               // DEPRECATED. One of the user's contacts
       BOOKMARK_TITLE = 13;        // A bookmark whose title contains the input.
       SEARCH_SUGGEST_ENTITY = 14; // A suggested search for an entity.
       SEARCH_SUGGEST_INFINITE = 15; // A suggested search to complete the tail
                                     // of the query.
       SEARCH_SUGGEST_PERSONALIZED = 16; // A personalized suggested search.
       SEARCH_SUGGEST_PROFILE = 17; // A personalized suggested search for a
                                    // Google+ profile.      
       APP_RESULT = 18;             // Result from an installed app
                                    // (eg: a gmail email).
                                    // Used by Android GSA for on-device
@@ skipping 43 matching lines @@
     // See AutocompleteController::ResetSession() for more details on the
     // definition of a session.
     // See chrome/browser/autocomplete/search_provider.cc for a specific usage
     // example.
     repeated fixed32 field_trial_triggered_in_session = 4;
   }
   // A list of diagnostic information about each provider.  Providers
   // will appear at most once in this list.
   repeated ProviderInfo provider_info = 12;
 }