Add MediaError.message

media/base/media_log.h

 // Copyright (c) 2012 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 MEDIA_BASE_MEDIA_LOG_H_
 #define MEDIA_BASE_MEDIA_LOG_H_
 
 #include <stddef.h>
 #include <stdint.h>
 
+#include <map>
 #include <memory>
 #include <sstream>
 #include <string>
+#include <vector>
 
 #include "base/containers/flat_set.h"
 #include "base/logging.h"
 #include "base/macros.h"
 #include "base/memory/ref_counted.h"
 #include "media/base/buffering_state.h"
 #include "media/base/media_export.h"
 #include "media/base/media_log_event.h"
 #include "media/base/pipeline_impl.h"
 #include "media/base/pipeline_status.h"
 #include "url/gurl.h"
 
 namespace media {
 
 class MEDIA_EXPORT MediaLog : public base::RefCountedThreadSafe<MediaLog> {
  public:
   enum MediaLogLevel {
     MEDIALOG_ERROR,
     MEDIALOG_INFO,
     MEDIALOG_DEBUG,
   };
 
   // Convert various enums to strings.
   static std::string MediaLogLevelToString(MediaLogLevel level);
   static MediaLogEvent::Type MediaLogLevelToEventType(MediaLogLevel level);
   static std::string EventTypeToString(MediaLogEvent::Type type);
   static std::string PipelineStatusToString(PipelineStatus status);
   static std::string BufferingStateToString(BufferingState state);
 
-  static std::string MediaEventToLogString(const MediaLogEvent& event);
+  static std::string MediaEventToLogString(const MediaLogEvent& event,
+                                           bool include_type);
 
   MediaLog();
 
   // Add an event to this log. Overriden by inheritors to actually do something
   // with it.
   virtual void AddEvent(std::unique_ptr<MediaLogEvent> event);
 
-  // Retrieve an error message, if any.
-  virtual std::string GetLastErrorMessage();
+  // Retrieve error messages, if any, keyed by error type.
+  virtual std::map<std::string, std::vector<std::string>> GetErrorMessages();
 
   // Records the domain and registry of the current frame security origin to a
   // Rappor privacy-preserving metric. See:
   //   https://www.chromium.org/developers/design-documents/rappor
   virtual void RecordRapporWithSecurityOrigin(const std::string& metric);
 
   // Helper methods to create events and their parameters.
   std::unique_ptr<MediaLogEvent> CreateEvent(MediaLogEvent::Type type);
   std::unique_ptr<MediaLogEvent> CreateBooleanEvent(MediaLogEvent::Type type,
                                                     const std::string& property,
@@ skipping 107 matching lines @@
 #define LIMITED_MEDIA_LOG(level, media_log, count, max)                       \
   LAZY_STREAM(MEDIA_LOG(level, media_log),                                    \
               (count) < (max) && ((count)++ || true))                         \
       << (((count) == (max)) ? "(Log limit reached. Further similar entries " \
                                "may be suppressed): "                         \
                              : "")
 
 }  // namespace media
 
 #endif  // MEDIA_BASE_MEDIA_LOG_H_