Add pretty-printing for SETTINGS messages.

blimp/common/logging_unittest.cc

 // Copyright 2016 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.
 
 #include <sstream>
 #include <string>
 
 #include "base/at_exit.h"
 #include "base/strings/stringprintf.h"
 #include "blimp/common/logging.h"
@@ skipping 210 matching lines @@
       RenderWidgetMessage::CREATED);
   VerifyLogOutput("type=RENDER_WIDGET subtype=CREATED render_widget_id=123",
                   created_msg);
 
   BlimpMessage deleted_msg = base_msg;
   deleted_msg.mutable_render_widget()->set_type(RenderWidgetMessage::DELETED);
   VerifyLogOutput("type=RENDER_WIDGET subtype=DELETED render_widget_id=123",
                   deleted_msg);
 }
 
+TEST_F(LoggingTest, Settings) {
+  BlimpMessage message;
+  message.set_type(BlimpMessage::SETTINGS);
+  message.mutable_settings()
+      ->mutable_engine_settings()
+      ->set_record_whole_document(true);
+  message.mutable_settings()->mutable_engine_settings()->set_client_os_info(
+      "wibble");
+  VerifyLogOutput(
+      "type=SETTINGS subtype=ENGINE_SETTINGS record_whole_document=true "
+      "client_os_info=\"wibble\"",
+      message);
+}
+
 }  // namespace
 }  // namespace blimp