test_runner: Add TestInfoExtractor to get the list of test-urls.

components/test_runner/test_info_extractor.h

Index: components/test_runner/test_info_extractor.h
diff --git a/components/test_runner/test_info_extractor.h b/components/test_runner/test_info_extractor.h
new file mode 100644
index 0000000000000000000000000000000000000000..a34a37d26a7421027761a574b9f866cb013b85be
--- /dev/null
+++ b/components/test_runner/test_info_extractor.h
@@ -0,0 +1,46 @@
+// 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 COMPONENTS_TEST_RUNNER_TEST_INFO_EXTRACTOR_H_
+#define COMPONENTS_TEST_RUNNER_TEST_INFO_EXTRACTOR_H_
+
+#include <string>
+
+#include "base/command_line.h"
+#include "base/files/file_path.h"
+#include "components/test_runner/test_runner_export.h"
+#include "url/gurl.h"
+
+namespace test_runner {
+
+struct TEST_RUNNER_EXPORT TestInfo {
+  TestInfo(const GURL& url,
+           bool enable_pixel_dumping,
+           const std::string& expected_pixel_hash,
+           const base::FilePath& current_working_directory);
+  ~TestInfo();
+
+  GURL url;
+  bool enable_pixel_dumping;
+  std::string expected_pixel_hash;
+  base::FilePath current_working_directory;
+};
+
+class TEST_RUNNER_EXPORT TestInfoExtractor {
+ public:
+  explicit TestInfoExtractor(const base::CommandLine::StringVector& cmd_args);
+  ~TestInfoExtractor();
+
+  scoped_ptr<TestInfo> GetNextTest();
+
+ private:
+  base::CommandLine::StringVector cmdline_args_;
+  size_t cmdline_position_;
+
+  DISALLOW_COPY_AND_ASSIGN(TestInfoExtractor);
+};
+
+}  // namespace test_runner
+
+#endif  // COMPONENTS_TEST_RUNNER_TEST_INFO_EXTRACTOR_H_