[ObjC ARC] Converts ios/chrome/browser/voice:tts to ARC.Automatically generated ARCMigrate commit…

ios/chrome/browser/voice/text_to_speech_parser.mm

 // 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.
 
 #import "ios/chrome/browser/voice/text_to_speech_parser.h"
 
 #include "base/logging.h"
 #import "ios/web/public/web_state/js/crw_js_injection_receiver.h"
 #include "ios/web/public/web_state/web_state.h"
 #import "third_party/google_toolbox_for_mac/src/Foundation/GTMStringEncoding.h"
 
+#if !defined(__has_feature) || !__has_feature(objc_arc)
+#error "This file requires ARC support."
+#endif
+
 namespace {
 
 // The start and end tags that delimit TTS audio data.
 NSString* const kTTSStartTag = @"function(){var _a_tts='";
 NSString* const kTTSEndTag = @"'";
 
 // When |kTTSAudioDataExtractorScriptFormat| is evaluated on a Google voice
 // search results page, this script will extract the innerHTML from the script
 // element containing TTS data.  The format takes one parameter, which is the
 // start tag from the TTS config singleton.
@@ skipping 78 matching lines @@
   DCHECK(webState);
   DCHECK(completion);
   NSString* tts_extraction_script = [NSString
       stringWithFormat:kTTSAudioDataExtractorScriptFormat, kTTSStartTag];
   [webState->GetJSInjectionReceiver()
       executeJavaScript:tts_extraction_script
       completionHandler:^(id result, NSError* error) {
         completion(ExtractVoiceSearchAudioDataFromPageHTML(result));
       }];
 }