Fork VCMDecoderDatabase for VideoReceiver.

This is to keep the deprecated VideoReceiver separate from the
implementation used by VideoReceiver2 before updating
VCMDecoderDatabase to have ownership of the registered decoders.

Fixing typo (DataBase->Database) in the name of the remaining class.

Bug: webrtc:14486, webrtc:14497
Change-Id: I5ee755921454b0831b3af6d0161f5b48c7c60540
Reviewed-on: https://webrtc-review.googlesource.com/c/src/+/276781
Commit-Queue: Tomas Gunnarsson <tommi@webrtc.org>
Reviewed-by: Philip Eliasson <philipel@webrtc.org>
Cr-Commit-Position: refs/heads/main@{#38247}
diff --git a/modules/video_coding/decoder_database_unittest.cc b/modules/video_coding/decoder_database_unittest.cc
index c7453d8..f2f250c 100644
--- a/modules/video_coding/decoder_database_unittest.cc
+++ b/modules/video_coding/decoder_database_unittest.cc
@@ -20,8 +20,8 @@
 using ::testing::NiceMock;
 
 // Test registering and unregistering an external decoder instance.
-TEST(VCMDecoderDataBaseTest, RegisterExternalDecoder) {
-  VCMDecoderDataBase db;
+TEST(VCMDecoderDatabaseTest, RegisterExternalDecoder) {
+  VCMDecoderDatabase db;
   constexpr int kPayloadType = 1;
   ASSERT_FALSE(db.IsExternalDecoderRegistered(kPayloadType));
 
@@ -32,8 +32,8 @@
   EXPECT_FALSE(db.IsExternalDecoderRegistered(kPayloadType));
 }
 
-TEST(VCMDecoderDataBaseTest, RegisterReceiveCodec) {
-  VCMDecoderDataBase db;
+TEST(VCMDecoderDatabaseTest, RegisterReceiveCodec) {
+  VCMDecoderDatabase db;
   constexpr int kPayloadType = 1;
   ASSERT_FALSE(db.DeregisterReceiveCodec(kPayloadType));
 
@@ -46,8 +46,8 @@
   EXPECT_TRUE(db.DeregisterReceiveCodec(kPayloadType));
 }
 
-TEST(VCMDecoderDataBaseTest, DeregisterReceiveCodecs) {
-  VCMDecoderDataBase db;
+TEST(VCMDecoderDatabaseTest, DeregisterReceiveCodecs) {
+  VCMDecoderDatabase db;
   constexpr int kPayloadType1 = 1;
   constexpr int kPayloadType2 = 2;
   ASSERT_FALSE(db.DeregisterReceiveCodec(kPayloadType1));