Support custom icon in search result.

chrome/browser/chromeos/launcher_search_provider/error_reporter.h

+// Copyright 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_BROWSER_CHROMEOS_LAUNCHER_SEARCH_PROVIDER_ERROR_REPORTER_H_
+#define CHROME_BROWSER_CHROMEOS_LAUNCHER_SEARCH_PROVIDER_ERROR_REPORTER_H_
+
+#include <string>
+
+#include "base/memory/scoped_ptr.h"
+#include "ipc/ipc_sender.h"
+
+namespace chromeos {
+namespace launcher_search_provider {
+
+// A utility class which sends error message to developer console.
+class ErrorReporter {
+ public:
+  ErrorReporter(IPC::Sender* sender, const int routing_id);
+  virtual ~ErrorReporter();
+
+  // Shows |message| as warning in the developer console of the extension.
+  virtual void Warn(const std::string& message);
+
+  virtual scoped_ptr<ErrorReporter> Duplicate();

[satorux1, 2015/05/11 06:32:27]

add a comment and explains when you need to use this?

[yawano, 2015/05/11 06:40:29]

Done.

+
+ private:
+  // Not owned.
+  IPC::Sender* sender_;
+
+  const int routing_id_;
+
+  DISALLOW_COPY_AND_ASSIGN(ErrorReporter);
+};
+
+}  // namespace launcher_search_provider
+}  // namespace chromeos
+
+#endif  // CHROME_BROWSER_CHROMEOS_LAUNCHER_SEARCH_PROVIDER_ERROR_REPORTER_H_