Move CdmResultPromise to media/blink.

content/renderer/media/cdm_result_promise.h

-// Copyright 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 CONTENT_RENDERER_MEDIA_CDM_RESULT_PROMISE_H_
-#define CONTENT_RENDERER_MEDIA_CDM_RESULT_PROMISE_H_
-
-#include <map>
-
-#include "base/basictypes.h"
-#include "media/base/cdm_promise.h"
-#include "third_party/WebKit/public/platform/WebContentDecryptionModuleResult.h"
-
-namespace content {
-
-// Used to convert a WebContentDecryptionModuleResult into a CdmPromiseTemplate
-// so that it can be passed through Chromium. When resolve(T) is called, the
-// appropriate complete...() method on WebContentDecryptionModuleResult will be
-// invoked. If reject() is called instead,
-// WebContentDecryptionModuleResult::completeWithError() is called.
-// If constructed with a |uma_name|, CdmResultPromise will report the promise
-// result (success or rejection code) to UMA.
-template <typename... T>
-class CdmResultPromise : public media::CdmPromiseTemplate<T...> {
- public:
-  CdmResultPromise(const blink::WebContentDecryptionModuleResult& result,
-                   const std::string& uma_name);
-  virtual ~CdmResultPromise();
-
-  // CdmPromiseTemplate<T> implementation.
-  virtual void resolve(const T&... result) override;
-  virtual void reject(media::MediaKeys::Exception exception_code,
-                      uint32 system_code,
-                      const std::string& error_message) override;
-
- private:
-  using media::CdmPromiseTemplate<T...>::MarkPromiseSettled;
-
-  blink::WebContentDecryptionModuleResult web_cdm_result_;
-
-  // UMA name to report result to.
-  std::string uma_name_;
-
-  DISALLOW_COPY_AND_ASSIGN(CdmResultPromise);
-};
-
-typedef base::Callback<blink::WebContentDecryptionModuleResult::SessionStatus(
-    const std::string& web_session_id)> SessionInitializedCB;
-
-// Special class for resolving a new session promise. Resolving a new session
-// promise returns the session ID (as a string), but the blink promise needs
-// to get passed a SessionStatus. This class converts the session id to a
-// SessionStatus by calling |new_session_created_cb|.
-class NewSessionCdmResultPromise
-    : public media::CdmPromiseTemplate<std::string> {
- public:
-  NewSessionCdmResultPromise(
-      const blink::WebContentDecryptionModuleResult& result,
-      const std::string& uma_name,
-      const SessionInitializedCB& new_session_created_cb);
-  virtual ~NewSessionCdmResultPromise();
-
-  // CdmPromiseTemplate<T> implementation.
-  virtual void resolve(const std::string& web_session_id) override;
-  virtual void reject(media::MediaKeys::Exception exception_code,
-                      uint32 system_code,
-                      const std::string& error_message) override;
-
- private:
-  blink::WebContentDecryptionModuleResult web_cdm_result_;
-
-  // UMA name to report result to.
-  std::string uma_name_;
-
-  // Called on resolve() to convert the session ID into a SessionStatus to
-  // be reported to blink.
-  SessionInitializedCB new_session_created_cb_;
-
-  DISALLOW_COPY_AND_ASSIGN(NewSessionCdmResultPromise);
-};
-
-}  // namespace content
-
-#endif  // CONTENT_RENDERER_MEDIA_CDM_RESULT_PROMISE_H_