media: Remove VaapiH264AMDEncoder

The feature is launched and no bug has been reported.
Let's remove VaapiH264AMDEncoder.

Bug: 1035788
Test: None
Change-Id: I7b2994b8ffafb93f49bfe903c808f31fe0ca3a6d
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/2249259Reviewed-by: Becca Hughes <beccahughes@chromium.org>
Commit-Queue: Hirokazu Honda <hiroh@chromium.org>
Cr-Commit-Position: refs/heads/master@{#779603}

media/base/media_switches.cc

@@ -414,10 +414,6 @@ const base::Feature kUseR16Texture{"use-r16-texture",
 const base::Feature kUnifiedAutoplay{"UnifiedAutoplay",
                                      base::FEATURE_ENABLED_BY_DEFAULT};
 
-// Enable VA-API hardware encode acceleration for H264 on AMD.
-const base::Feature kVaapiH264AMDEncoder{"VaapiH264AMDEncoder",
-                                         base::FEATURE_ENABLED_BY_DEFAULT};
-
 // Enable VA-API hardware low power encoder for all codecs on intel Gen9x gpu.
 const base::Feature kVaapiLowPowerEncoderGen9x{
     "VaapiLowPowerEncoderGen9x", base::FEATURE_DISABLED_BY_DEFAULT};

media/base/media_switches.h

@@ -166,7 +166,6 @@ MEDIA_EXPORT extern const base::Feature kUseFakeDeviceForMediaStream;
 MEDIA_EXPORT extern const base::Feature kUseMediaHistoryStore;
 MEDIA_EXPORT extern const base::Feature kUseNewMediaCache;
 MEDIA_EXPORT extern const base::Feature kUseR16Texture;
-MEDIA_EXPORT extern const base::Feature kVaapiH264AMDEncoder;
 MEDIA_EXPORT extern const base::Feature kVaapiLowPowerEncoderGen9x;
 MEDIA_EXPORT extern const base::Feature kVaapiVP8Encoder;
 MEDIA_EXPORT extern const base::Feature kVaapiVP9Encoder;

media/gpu/vaapi/vaapi_wrapper.cc

@@ -301,19 +301,6 @@ bool IsBlackListedDriver(const std::string& va_vendor_string,
   if (!IsModeEncoding(mode))
     return false;
 
-  // TODO(crbug.com/828482): Remove once H264 encoder on AMD is enabled by
-  // default.
-  if (VendorStringToImplementationType(va_vendor_string) ==
-          VAImplementation::kMesaGallium &&
-      base::Contains(va_vendor_string, "AMD STONEY") &&
-      !base::FeatureList::IsEnabled(kVaapiH264AMDEncoder)) {
-    constexpr VAProfile kH264Profiles[] = {VAProfileH264Baseline,
-                                           VAProfileH264Main, VAProfileH264High,
-                                           VAProfileH264ConstrainedBaseline};
-    if (base::Contains(kH264Profiles, va_profile))
-      return true;
-  }
-
   // TODO(posciak): Remove once VP8 encoding is to be enabled by default.
   if (va_profile == VAProfileVP8Version0_3 &&
       !base::FeatureList::IsEnabled(kVaapiVP8Encoder)) {