Support LoadSession() in MediaKeys and PPP_ContentDecryptor_Private interface.

content/browser/media/android/browser_media_player_manager.cc

 // Copyright 2013 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.
 
 #include "content/browser/media/android/browser_media_player_manager.h"
 
 #include "base/command_line.h"
 #include "content/browser/android/content_view_core_impl.h"
 #include "content/browser/media/android/browser_demuxer_android.h"
 #include "content/browser/media/android/media_resource_getter_impl.h"
@@ skipping 588 matching lines @@
 
   AddDrmBridge(media_keys_id, uuid, frame_url);
   // In EME v0.1b MediaKeys lives in the media element. So the |media_keys_id|
   // is the same as the |player_id|.
   OnSetMediaKeys(media_keys_id, media_keys_id);
 }
 
 void BrowserMediaPlayerManager::OnCreateSession(
     int media_keys_id,
     uint32 session_id,
-    MediaKeysHostMsg_CreateSession_Type type,
+    MediaKeysHostMsg_CreateSession_Type content_type,
     const std::vector<uint8>& init_data) {
   if (init_data.size() > kEmeInitDataMaximum) {
     LOG(WARNING) << "InitData for ID: " << media_keys_id
                  << " too long: " << init_data.size();
     OnSessionError(
         media_keys_id, session_id, media::MediaKeys::kUnknownError, 0);
     return;
   }
 
-  // Convert the session type into a MIME type. "audio" and "video" don't
-  // matter, so using "video" for the MIME type.
-  // Ref: https://dvcs.w3.org/hg/html-media/raw-file/tip/encrypted-media/encrypted-media.html#dom-createsession
+  // Convert the session content type into a MIME type. "audio" and "video"
+  // don't matter, so using "video" for the MIME type.
+  // Ref:
+  // https://dvcs.w3.org/hg/html-media/raw-file/default/encrypted-media/encrypted-media.html#dom-createsession
   std::string mime_type;
-  switch (type) {
+  switch (content_type) {
     case CREATE_SESSION_TYPE_WEBM:
       mime_type = "video/webm";
       break;
     case CREATE_SESSION_TYPE_MP4:
       mime_type = "video/mp4";
       break;
     default:
       NOTREACHED();
       return;
   }
@@ skipping 181 matching lines @@
     return;
   }
   // TODO(qinmin): add the logic to decide whether we should create the
   // fullscreen surface for EME lv1.
   player->SetDrmBridge(drm_bridge);
 }
 
 void BrowserMediaPlayerManager::CreateSessionIfPermitted(
     int media_keys_id,
     uint32 session_id,
-    const std::string& type,
+    const std::string& content_type,
     const std::vector<uint8>& init_data,
     bool permitted) {
   if (!permitted) {
     OnSessionError(
         media_keys_id, session_id, media::MediaKeys::kUnknownError, 0);
     return;
   }
 
   MediaDrmBridge* drm_bridge = GetDrmBridge(media_keys_id);
   if (!drm_bridge) {
     DLOG(WARNING) << "No MediaDrmBridge for ID: " << media_keys_id << " found";
     OnSessionError(
         media_keys_id, session_id, media::MediaKeys::kUnknownError, 0);
     return;
   }
   media_keys_ids_pending_approval_.erase(media_keys_id);
   media_keys_ids_approved_.insert(media_keys_id);
-  drm_bridge->CreateSession(session_id, type, &init_data[0], init_data.size());
+
+  if (!drm_bridge->CreateSession(
+           session_id, content_type, &init_data[0], init_data.size())) {
+    return;
+  }
+
+  // TODO(xhwang): Move the following code to OnSessionReady.
 
   // TODO(qinmin): currently |media_keys_id| and player ID are identical.
   // This might not be true in the future.
   if (pending_fullscreen_player_id_ != media_keys_id)
     return;
 
   pending_fullscreen_player_id_ = -1;
   MediaPlayerAndroid* player = GetPlayer(media_keys_id);
   if (player->IsPlaying())
     OnProtectedSurfaceRequested(media_keys_id);
 }
 
 void BrowserMediaPlayerManager::ReleaseFullscreenPlayer(
     MediaPlayerAndroid* player) {
     player->Release();
 }
 
 }  // namespace content