[chromedriver] Add Network Conditions Override Manager and tests

chrome/test/chromedriver/chrome/recorder_devtools_client.h

Index: chrome/test/chromedriver/chrome/recorder_devtools_client.h
diff --git a/chrome/test/chromedriver/chrome/recorder_devtools_client.h b/chrome/test/chromedriver/chrome/recorder_devtools_client.h
new file mode 100644
index 0000000000000000000000000000000000000000..f7e49d2f7cb2b31bb42a0ecd7ab89966f0ed7945
--- /dev/null
+++ b/chrome/test/chromedriver/chrome/recorder_devtools_client.h
@@ -0,0 +1,54 @@
+// Copyright (c) 2015 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_RECORDER_DEVTOOLS_CLIENT_H_
+#define CHROME_TEST_CHROMEDRIVER_CHROME_RECORDER_DEVTOOLS_CLIENT_H_
+
+#include <vector>
+
+#include "base/values.h"
+#include "chrome/test/chromedriver/chrome/stub_devtools_client.h"
+
+namespace base {
+class DictionaryValue;
+}
+
+class Status;
+
+struct Command {
+  Command() {}
+  Command(const std::string& method, const base::DictionaryValue& params)
+      : method(method) {
+    this->params.MergeDictionary(&params);
+  }
+  Command(const Command& command) {
+    *this = command;
+  }
+  Command& operator=(const Command& command) {
+    method = command.method;
+    params.Clear();
+    params.MergeDictionary(&command.params);
+    return *this;
+  }
+  ~Command() {}
+
+  std::string method;
+  base::DictionaryValue params;
+};
+
+class RecorderDevToolsClient : public StubDevToolsClient {
+ public:
+  RecorderDevToolsClient();
+  ~RecorderDevToolsClient() override;
+
+  // Overridden from StubDevToolsClient:
+  Status SendCommandAndGetResult(
+      const std::string& method,
+      const base::DictionaryValue& params,
+      scoped_ptr<base::DictionaryValue>* result) override;
+
+  std::vector<Command> commands_;
+};
+
+#endif  // CHROME_TEST_CHROMEDRIVER_CHROME_RECORDER_DEVTOOLS_CLIENT_H_