Auto-formatted all .mojom files.

mojo/services/prediction/interfaces/prediction.mojom

 // Copyright 2015 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.
 
 [DartPackage="mojo_services"]
 module prediction;
 
 struct PrevWordInfo {
-        string word;
-        bool is_beginning_of_sentence;
+  string word;
+  bool is_beginning_of_sentence;
 };
 
 struct PredictionInfo {
-        array<PrevWordInfo> previous_words;
-        string current_word;
+  array<PrevWordInfo> previous_words;
+  string current_word;
 };
 
 [ServiceName="prediction::PredictionService"]
 interface PredictionService {
-  GetPredictionList(PredictionInfo prediction_info) => (array<string>? prediction_list);
+  GetPredictionList(PredictionInfo prediction_info)
+      => (array<string>? prediction_list);
 };