Bug 1410022 - Remove redundant PDM::Supports check caused by bug 1407919 part6. r=gerald

MozReview-Commit-ID: EoAARcmhjlV

--HG--
extra : rebase_source : 560d91e004f0787278e7e3181e58c953c27368e5

dom/media/webm/WebMDecoder.cpp

@@ -58,11 +58,12 @@ WebMDecoder::IsSupportedType(const MediaContainerType& aContainerType)
         uint8_t bitDepth = 0;
         if (ExtractVPXCodecDetails(codec, profile, level, bitDepth)) {
           trackInfo->GetAsVideoInfo()->mBitDepth = bitDepth;
-        }
-        // Verify that we have a PDM that supports this bit depth.
-        RefPtr<PDMFactory> platform = new PDMFactory();
-        if (!platform->Supports(*trackInfo, nullptr)) {
-          return false;
+
+          // Verify that we have a PDM that supports this bit depth.
+          RefPtr<PDMFactory> platform = new PDMFactory();
+          if (!platform->Supports(*trackInfo, nullptr)) {
+            return false;
+          }
         }
         continue;
       }