Upgrade libwebm to 485fb67b324aec5298765e899dc054459d3946e5

Test: make
Change-Id: Ic4316c2f1a550a3f24326e5efe725e4597b7d3e3
diff --git a/METADATA b/METADATA
index 2187c84..44ea270 100644
--- a/METADATA
+++ b/METADATA
@@ -1,7 +1,5 @@
 name: "libwebm"
-description:
-    "libwebm is a library to read and write Matroska (MKV) and WebM files."
-
+description: "libwebm is a library to read and write Matroska (MKV) and WebM files."
 third_party {
   url {
     type: HOMEPAGE
@@ -11,7 +9,11 @@
     type: GIT
     value: "https://chromium.googlesource.com/webm/libwebm"
   }
-  version: "11cae244cc06c1295bffa9861c610dcde3b9da18"
-  last_upgrade_date { year: 2020 month: 10 day: 7 }
+  version: "485fb67b324aec5298765e899dc054459d3946e5"
   license_type: NOTICE
+  last_upgrade_date {
+    year: 2020
+    month: 11
+    day: 24
+  }
 }
diff --git a/mkvmuxer/mkvmuxer.cc b/mkvmuxer/mkvmuxer.cc
index 5120312..499fbe6 100644
--- a/mkvmuxer/mkvmuxer.cc
+++ b/mkvmuxer/mkvmuxer.cc
@@ -2622,7 +2622,8 @@
 
 uint64_t Cluster::Size() const {
   const uint64_t element_size =
-      EbmlMasterElementSize(libwebm::kMkvCluster, 0xFFFFFFFFFFFFFFFFULL) +
+      EbmlMasterElementSize(static_cast<uint64_t>(libwebm::kMkvCluster),
+                            uint64_t{0xFFFFFFFFFFFFFFFFU}) +
       payload_size_;
   return element_size;
 }
@@ -4105,12 +4106,16 @@
     // places where |doc_type_version_| needs to be updated.
     if (frame->discard_padding() != 0)
       doc_type_version_ = 4;
-    if (!cluster->AddFrame(frame))
-      return -1;
+    if (!cluster->AddFrame(frame)) {
+      delete frame;
+      continue;
+    }
 
     if (new_cuepoint_ && cues_track_ == frame->track_number()) {
-      if (!AddCuePoint(frame->timestamp(), cues_track_))
-        return -1;
+      if (!AddCuePoint(frame->timestamp(), cues_track_)) {
+        delete frame;
+        continue;
+      }
     }
 
     if (frame->timestamp() > last_timestamp_) {
@@ -4153,12 +4158,16 @@
       const Frame* const frame_prev = frames_[i - 1];
       if (frame_prev->discard_padding() != 0)
         doc_type_version_ = 4;
-      if (!cluster->AddFrame(frame_prev))
-        return false;
+      if (!cluster->AddFrame(frame_prev)) {
+        delete frame_prev;
+        continue;
+      }
 
       if (new_cuepoint_ && cues_track_ == frame_prev->track_number()) {
-        if (!AddCuePoint(frame_prev->timestamp(), cues_track_))
-          return false;
+        if (!AddCuePoint(frame_prev->timestamp(), cues_track_)) {
+          delete frame_prev;
+          continue;
+        }
       }
 
       ++shift_left;