CdmAdapter: Value initialize PP_Decrypted*Info.

media/cdm/ppapi/cdm_adapter.cc

Index: media/cdm/ppapi/cdm_adapter.cc
diff --git a/media/cdm/ppapi/cdm_adapter.cc b/media/cdm/ppapi/cdm_adapter.cc
index 8388f449880cf28d0d41486e821d63101546cee4..f906865f455bad3496984638121400470c8f71c1 100644
--- a/media/cdm/ppapi/cdm_adapter.cc
+++ b/media/cdm/ppapi/cdm_adapter.cc
@@ -838,7 +838,7 @@ void CdmAdapter::DeliverBlock(int32_t result,
                               const LinkedDecryptedBlock& decrypted_block,
                               const PP_DecryptTrackingInfo& tracking_info) {
   PP_DCHECK(result == PP_OK);
-  PP_DecryptedBlockInfo decrypted_block_info;
+  PP_DecryptedBlockInfo decrypted_block_info = {};
   decrypted_block_info.tracking_info = tracking_info;
   decrypted_block_info.tracking_info.timestamp = decrypted_block->Timestamp();
   decrypted_block_info.tracking_info.buffer_id = 0;
@@ -893,7 +893,7 @@ void CdmAdapter::DeliverFrame(
     const LinkedVideoFrame& video_frame,
     const PP_DecryptTrackingInfo& tracking_info) {
   PP_DCHECK(result == PP_OK);
-  PP_DecryptedFrameInfo decrypted_frame_info;
+  PP_DecryptedFrameInfo decrypted_frame_info = {};
   decrypted_frame_info.tracking_info.request_id = tracking_info.request_id;
   decrypted_frame_info.tracking_info.buffer_id = 0;
   decrypted_frame_info.result = CdmStatusToPpDecryptResult(status);
@@ -939,7 +939,7 @@ void CdmAdapter::DeliverSamples(int32_t result,
                                 const PP_DecryptTrackingInfo& tracking_info) {
   PP_DCHECK(result == PP_OK);
 
-  PP_DecryptedSampleInfo decrypted_sample_info;
+  PP_DecryptedSampleInfo decrypted_sample_info = {};
   decrypted_sample_info.tracking_info = tracking_info;
   decrypted_sample_info.tracking_info.timestamp = 0;
   decrypted_sample_info.tracking_info.buffer_id = 0;