Clean content_settings_pattern_parser.* from unnecessary dependencies.

components/content_settings/core/common/embedder_variables.h

Index: components/content_settings/core/common/embedder_variables.h
diff --git a/components/content_settings/core/common/embedder_variables.h b/components/content_settings/core/common/embedder_variables.h
new file mode 100644
index 0000000000000000000000000000000000000000..adde4696ac6394274f2fe03015fd80862e467f8f
--- /dev/null
+++ b/components/content_settings/core/common/embedder_variables.h
@@ -0,0 +1,23 @@
+// Copyright (c) 2014 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_CONTENT_SETTINGS_CORE_COMMON_EMBEDDER_VARIABLES_H_
+#define COMPONENTS_CONTENT_SETTINGS_CORE_COMMON_EMBEDDER_VARIABLES_H_
+
+#include <string>
+
+#include "base/macros.h"
+
+namespace content_settings {
+
+// Sets the scheme that doesn't support domain wildcard and port.
+// Should be called by the embedder before using ContentSettingsPattern. The
+// caller is responsible for the lifetime of |scheme|.
+void SetNonPortScheme(const char* scheme);

[vabr (Chromium), 2014/08/20 09:52:23]

nit: The comment speaks also about domain, but the name does not. Could you
improve? (Also below.)

[vasilii, 2014/08/21 14:58:02]

Done.

+
+// Compares |scheme| against embedder's extension scheme.
+bool IsNonPortScheme(const std::string& scheme);
+
+}  // namespace content_settings
+#endif  // COMPONENTS_CONTENT_SETTINGS_CORE_COMMON_EMBEDDER_VARIABLES_H_