Upgrade drive from deprecated base::JSONReader API

Bug: 1070409
Change-Id: Ib26b5d5d9a6ddf20da57c9e11be43de9cfb1d7be
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/2212117Reviewed-by: Stuart Langley <slangley@chromium.org>
Commit-Queue: Nigel Tao <nigeltao@chromium.org>
Cr-Commit-Position: refs/heads/master@{#771531}

google_apis/drive/base_requests.cc

@@ -175,13 +175,9 @@ void CloseFile(base::File file) {}
 namespace google_apis {
 
 std::unique_ptr<base::Value> ParseJson(const std::string& json) {
-  int error_code = -1;
-  std::string error_message;
-  std::unique_ptr<base::Value> value =
-      base::JSONReader::ReadAndReturnErrorDeprecated(
-          json, base::JSON_PARSE_RFC, &error_code, &error_message);
-
-  if (!value.get()) {
+  base::JSONReader::ValueWithError parsed_json =
+      base::JSONReader::ReadAndReturnValueWithError(json);
+  if (!parsed_json.value) {
     std::string trimmed_json;
     if (json.size() < 80) {
       trimmed_json  = json;
@@ -192,10 +188,12 @@ std::unique_ptr<base::Value> ParseJson(const std::string& json) {
                              base::NumberToString(json.size() - 60).c_str(),
                              json.substr(json.size() - 10).c_str());
     }
-    LOG(WARNING) << "Error while parsing entry response: " << error_message
-                 << ", code: " << error_code << ", json:\n" << trimmed_json;
+    LOG(WARNING) << "Error while parsing entry response: "
+                 << parsed_json.error_message << ", json:\n"
+                 << trimmed_json;
+    return nullptr;
   }
-  return value;
+  return base::Value::ToUniquePtrValue(std::move(*parsed_json.value));
 }
 
 void GenerateMultipartBody(MultipartType multipart_type,