Logging API in chromedriver2.

chrome/test/chromedriver/chrome/devtools_event_logger.h

Index: chrome/test/chromedriver/chrome/devtools_event_logger.h
===================================================================
--- chrome/test/chromedriver/chrome/devtools_event_logger.h	(revision 0)
+++ chrome/test/chromedriver/chrome/devtools_event_logger.h	(revision 0)
@@ -0,0 +1,61 @@
+// Copyright (c) 2013 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.
+
+#ifndef CHROME_TEST_CHROMEDRIVER_CHROME_DEVTOOLS_EVENT_LOGGER_H_
+#define CHROME_TEST_CHROMEDRIVER_CHROME_DEVTOOLS_EVENT_LOGGER_H_
+
+#include <string>
+#include <vector>
+
+#include "base/basictypes.h"
+#include "base/memory/scoped_ptr.h"
+#include "base/values.h"
+#include "chrome/test/chromedriver/chrome/devtools_event_listener.h"
+#include "chrome/test/chromedriver/chrome/status.h"
+
+// Accumulates DevTools events of a given type for use in the Logging API.
+// Tracks all WebViews of a given Chrome, via their respective DevToolsClients.
+//
+// A log message has the following JSON structure:
+// {
+//    "level": logging_level,
+//    "timestamp": <milliseconds since epoch>,
+//    "message": <JSON string described below>
+// }
+// The message attribute is a JSON string of the following structure:
+// {
+//    "webview": <originating WebView ID>,
+//    "message": { "method": "...", "params": { ... }}  // DevTools message.
+// }
+class DevToolsEventLogger : public DevToolsEventListener {
+ public:
+  explicit DevToolsEventLogger(const std::string& log_type,
+                               const std::vector<std::string>& domains,
+                               const std::string& logging_level);
+  virtual ~DevToolsEventLogger();
+
+  const std::string& GetLogType();
+  scoped_ptr<base::ListValue> GetAndClearLogEntries();
+
+  virtual Status OnConnected(DevToolsClient* client) OVERRIDE;
+  virtual void OnEvent(DevToolsClient* client,
+                       const std::string& method,
+                       const base::DictionaryValue& params) OVERRIDE;
+
+ private:
+  virtual bool ShouldLogEvent(const std::string& method);
+  virtual scoped_ptr<DictionaryValue> GetLogEntry(
+      DevToolsClient* client,
+      const std::string& method,
+      const base::DictionaryValue& params);
+
+  const std::string log_type_;
+  const std::vector<std::string> domains_;
+  const std::string logging_level_;
+  scoped_ptr<ListValue> log_entries_;
+
+  DISALLOW_COPY_AND_ASSIGN(DevToolsEventLogger);
+};
+
+#endif  // CHROME_TEST_CHROMEDRIVER_CHROME_DEVTOOLS_EVENT_LOGGER_H_