JSONWriter cleanup: integrate pretty print into write options.

chrome/test/webdriver/webdriver_util.cc

Index: chrome/test/webdriver/webdriver_util.cc
diff --git a/chrome/test/webdriver/webdriver_util.cc b/chrome/test/webdriver/webdriver_util.cc
index 200ecc053cb1db49bf33ca22e3e34c08c482023c..66754a84965658a338de3547ed8bfb646d214d38 100644
--- a/chrome/test/webdriver/webdriver_util.cc
+++ b/chrome/test/webdriver/webdriver_util.cc
@@ -392,7 +392,7 @@ bool UnzipSoleFile(const FilePath& unzip_dir,
 
 std::string JsonStringify(const Value* value) {
   std::string json;
-  base::JSONWriter::Write(value, false, &json);
+  base::JSONWriter::Write(value, &json);
   return json;
 }
 
@@ -456,7 +456,9 @@ std::string JsonStringifyForDisplay(const Value* value) {
     TruncateContainedStrings(copy.get());
   }
   std::string json;
-  base::JSONWriter::Write(copy.get(), true /* pretty_print */, &json);
+  base::JSONWriter::WriteWithOptions(copy.get(),
+                                     base::JSONWriter::OPTIONS_PRETTY_PRINT,
+                                     &json);
   return json;
 }