[chromedriver] Implement connecting to devtools and loading a page.

chrome/test/chromedriver/devtools_client.h

+// Copyright (c) 2012 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_DEVTOOLS_CLIENT_H_
+#define CHROME_TEST_CHROMEDRIVER_DEVTOOLS_CLIENT_H_
+
+#include <string>
+
+#include "base/memory/ref_counted.h"
+#include "base/memory/scoped_ptr.h"
+
+namespace base {
+class DictionaryValue;
+}
+
+class Status;
+class SyncWebSocket;
+class URLRequestContextGetter;
+
+// A DevTools client of a single DevTools debugger.
+class DevToolsClient {
+ public:
+  DevToolsClient(URLRequestContextGetter* context_getter,
+                 const std::string& url);
+  ~DevToolsClient();
+
+  Status SendCommand(const std::string& method,
+                     const base::DictionaryValue& params);
+
+ private:
+  scoped_refptr<URLRequestContextGetter> context_getter_;
+  std::string url_;
+  scoped_ptr<SyncWebSocket> socket_;
+  bool connected_;
+
+  DISALLOW_COPY_AND_ASSIGN(DevToolsClient);
+};
+
+#endif  // CHROME_TEST_CHROMEDRIVER_DEVTOOLS_CLIENT_H_