media: Add External Clear Key content browser test on Android

components/cdm/renderer/external_clear_key_key_system_properties.h

Index: components/cdm/renderer/external_clear_key_key_system_properties.h
diff --git a/components/cdm/renderer/external_clear_key_key_system_properties.h b/components/cdm/renderer/external_clear_key_key_system_properties.h
new file mode 100644
index 0000000000000000000000000000000000000000..d0ed06fd875505452bb5b4c943734316c1dfa665
--- /dev/null
+++ b/components/cdm/renderer/external_clear_key_key_system_properties.h
@@ -0,0 +1,48 @@
+// Copyright 2016 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_CDM_RENDERER_EXTERNAL_CLEAR_KEY_KEY_SYSTEM_PROPERTIES_H_
+#define COMPONENTS_CDM_RENDERER_EXTERNAL_CLEAR_KEY_KEY_SYSTEM_PROPERTIES_H_
+
+#include <string>
+
+#include "build/build_config.h"
+#include "media/base/key_system_properties.h"
+
+namespace cdm {
+
+#if defined(ENABLE_PEPPER_CDMS)
+extern const char kExternalClearKeyPepperType[];
+#endif
+
+// KeySystemProperties implementation for external Clear Key key systems.
+class ExternalClearKeyProperties : public media::KeySystemProperties {
+ public:
+  explicit ExternalClearKeyProperties(const std::string& key_system_name);
+  ~ExternalClearKeyProperties() override;
+
+  std::string GetKeySystemName() const override;
+  bool IsSupportedInitDataType(
+      media::EmeInitDataType init_data_type) const override;
+  media::SupportedCodecs GetSupportedCodecs() const override;
+  media::EmeConfigRule GetRobustnessConfigRule(
+      media::EmeMediaType media_type,
+      const std::string& requested_robustness) const override;
+  media::EmeSessionTypeSupport GetPersistentLicenseSessionSupport()
+      const override;
+  media::EmeSessionTypeSupport GetPersistentReleaseMessageSessionSupport()
+      const override;
+  media::EmeFeatureSupport GetPersistentStateSupport() const override;
+  media::EmeFeatureSupport GetDistinctiveIdentifierSupport() const override;
+#if defined(ENABLE_PEPPER_CDMS)
+  std::string GetPepperType() const override;
+#endif
+
+ private:
+  const std::string key_system_name_;
+};
+
+}  // namespace cdm
+
+#endif  // COMPONENTS_CDM_RENDERER_EXTERNAL_CLEAR_KEY_KEY_SYSTEM_PROPERTIES_H_