Makes chrome://omnibox use mojo

chrome/browser/ui/webui/omnibox/omnibox.mojom

+// Copyright 2014 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.
+
+// The structures here roughly mirror those from autocomplete.
+
+struct AutocompleteAdditionalInfo {
+  string key;
+  string value;
+};
+
+struct AutocompleteMatchMojo {
+  string provider_name;
+  // Only meaningful if |provider_name| is valid.
+  bool provider_done;
+  int32 relevance;
+  bool deletable;
+  string fill_into_edit;
+  string inline_autocompletion;
+  string destination_url;
+  string contents;
+  string description;
+  int32 transition;
+  bool is_history_what_you_typed_match;
+  bool allowed_to_be_default_match;
+  string type;
+  string associated_keyword;
+  string keyword;
+  bool starred;
+  int32 duplicates;
+  bool from_previous;
+  AutocompleteAdditionalInfo[] additional_info;
+};
+
+struct AutocompleteResultsForProviderMojo {
+  string provider_name;
+  AutocompleteMatchMojo[] results;
+};
+
+struct OmniboxResultMojo {
+  bool done;
+  // Time delta since the request was started, in milliseconds.
+  int32 time_since_omnibox_started_ms;
+  string host;
+  bool is_typed_host;
+  AutocompleteMatchMojo[] combined_results;
+  AutocompleteResultsForProviderMojo[] results_by_provider;
+};
+
+[Peer=OmniboxPage]
+interface OmniboxUIHandlerMojo {
+  StartOmniboxQuery(string input_string,
+                    int32 cursor_position,
+                    bool prevent_inline_autocomplete,
+                    bool prefer_keyword,
+                    int32 page_classification);
+};
+
+[Peer=OmniboxUIHandlerMojo]
+interface OmniboxPage {
+  HandleNewAutocompleteResult(OmniboxResultMojo result);
+};