Use base::JSONReader::ReadDeprecated() in components/.

This is part of the process to help migrate base::JSONReader::Read() to
return base::Optional<base::Value>.

Do the same for ReadAndReturnError() and ReadToValue().

BUG=925165
TBR=sdefresne@chromium.org

Change-Id: I3a6b5b5d581ece4771f1525e465aae7af20afddf
Reviewed-on: https://chromium-review.googlesource.com/c/1476093
Reviewed-by: Lei Zhang <thestig@chromium.org>
Commit-Queue: Lei Zhang <thestig@chromium.org>
Cr-Commit-Position: refs/heads/master@{#632876}

components/safe_search_api/url_checker.cc

@@ -52,7 +52,8 @@ std::string BuildRequestData(const std::string& api_key,
 // Parses a SafeSearch API |response| and stores the result in |is_porn|.
 // On errors, returns false and doesn't set |is_porn|.
 bool ParseResponse(const std::string& response, bool* is_porn) {
-  std::unique_ptr<base::Value> value = base::JSONReader::Read(response);
+  std::unique_ptr<base::Value> value =
+      base::JSONReader::ReadDeprecated(response);
   const base::DictionaryValue* dict = nullptr;
   if (!value || !value->GetAsDictionary(&dict)) {
     DLOG(WARNING) << "ParseResponse failed to parse global dictionary";