Modify Entity Suggestion support and Add Profile Suggest support

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 146 matching lines @@
       HISTORY_TITLE = 3;          // A past page whose title contains the input
       HISTORY_BODY = 4;           // A past page whose body contains the input
       HISTORY_KEYWORD = 5;        // A past page whose keyword contains the
                                   // input
       NAVSUGGEST = 6;             // A suggested URL
       SEARCH_WHAT_YOU_TYPED = 7;  // The input as a search query (with the
                                   // 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)
+                                  // 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
       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.      
     }
     optional ResultType result_type = 2;
 
     // The relevance score for this suggestion.
     optional int32 relevance = 3;
 
     // How many times this result was typed in / selected from the omnibox.
     // Only set for some providers and result_types.  At the time of
     // writing this comment, it is only set for HistoryURL and
     // HistoryQuickProvider matches.
@@ skipping 29 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;
 }