Delete local convenience alias Buffer

Bug: webrtc:10524
Change-Id: I01d8e02b3b625288df7d41d08c36caeba08dd3aa
Reviewed-on: https://webrtc-review.googlesource.com/c/src/+/132006
Reviewed-by: Erik Språng <sprang@webrtc.org>
Commit-Queue: Niels Moller <nisse@webrtc.org>
Cr-Commit-Position: refs/heads/master@{#27512}
diff --git a/modules/video_coding/codecs/vp8/default_temporal_layers.cc b/modules/video_coding/codecs/vp8/default_temporal_layers.cc
index 3736346..a005717 100644
--- a/modules/video_coding/codecs/vp8/default_temporal_layers.cc
+++ b/modules/video_coding/codecs/vp8/default_temporal_layers.cc
@@ -37,7 +37,6 @@
       dependency_info(dependency_info) {}
 
 namespace {
-using Buffer = Vp8FrameConfig::Buffer;
 using BufferFlags = Vp8FrameConfig::BufferFlags;
 using FreezeEntropy = Vp8FrameConfig::FreezeEntropy;
 using Vp8BufferReference = Vp8FrameConfig::Vp8BufferReference;
@@ -505,14 +504,16 @@
   RTC_DCHECK_EQ(vp8_info.referencedBuffersCount, 0u);
   RTC_DCHECK_EQ(vp8_info.updatedBuffersCount, 0u);
 
-  for (int i = 0; i < static_cast<int>(Buffer::kCount); ++i) {
-    if (!is_keyframe && frame_config.References(static_cast<Buffer>(i))) {
+  for (int i = 0; i < static_cast<int>(Vp8FrameConfig::Buffer::kCount); ++i) {
+    if (!is_keyframe &&
+        frame_config.References(static_cast<Vp8FrameConfig::Buffer>(i))) {
       RTC_DCHECK_LT(vp8_info.referencedBuffersCount,
                     arraysize(CodecSpecificInfoVP8::referencedBuffers));
       vp8_info.referencedBuffers[vp8_info.referencedBuffersCount++] = i;
     }
 
-    if (is_keyframe || frame_config.Updates(static_cast<Buffer>(i))) {
+    if (is_keyframe ||
+        frame_config.Updates(static_cast<Vp8FrameConfig::Buffer>(i))) {
       RTC_DCHECK_LT(vp8_info.updatedBuffersCount,
                     arraysize(CodecSpecificInfoVP8::updatedBuffers));
       vp8_info.updatedBuffers[vp8_info.updatedBuffersCount++] = i;
diff --git a/modules/video_coding/codecs/vp8/screenshare_layers.cc b/modules/video_coding/codecs/vp8/screenshare_layers.cc
index a58b984..2c1ccd0 100644
--- a/modules/video_coding/codecs/vp8/screenshare_layers.cc
+++ b/modules/video_coding/codecs/vp8/screenshare_layers.cc
@@ -23,7 +23,6 @@
 
 namespace webrtc {
 namespace {
-using Buffer = Vp8FrameConfig::Buffer;
 using BufferFlags = Vp8FrameConfig::BufferFlags;
 
 constexpr BufferFlags kNone = Vp8FrameConfig::BufferFlags::kNone;
@@ -340,16 +339,16 @@
 
     // Note that |frame_config| is not derefernced if |is_keyframe|,
     // meaning it's never dereferenced if the optional may be unset.
-    for (int i = 0; i < static_cast<int>(Buffer::kCount); ++i) {
-      if (!is_keyframe &&
-          dependency_info->frame_config.References(static_cast<Buffer>(i))) {
+    for (int i = 0; i < static_cast<int>(Vp8FrameConfig::Buffer::kCount); ++i) {
+      if (!is_keyframe && dependency_info->frame_config.References(
+                              static_cast<Vp8FrameConfig::Buffer>(i))) {
         RTC_DCHECK_LT(vp8_info.referencedBuffersCount,
                       arraysize(CodecSpecificInfoVP8::referencedBuffers));
         vp8_info.referencedBuffers[vp8_info.referencedBuffersCount++] = i;
       }
 
-      if (is_keyframe ||
-          dependency_info->frame_config.Updates(static_cast<Buffer>(i))) {
+      if (is_keyframe || dependency_info->frame_config.Updates(
+                             static_cast<Vp8FrameConfig::Buffer>(i))) {
         RTC_DCHECK_LT(vp8_info.updatedBuffersCount,
                       arraysize(CodecSpecificInfoVP8::updatedBuffers));
         vp8_info.updatedBuffers[vp8_info.updatedBuffersCount++] = i;