Change effect of flag kDisableAcceleratedVideoDecode to only affect decode

content/renderer/media/renderer_gpu_video_accelerator_factories.cc

Index: content/renderer/media/renderer_gpu_video_accelerator_factories.cc
diff --git a/content/renderer/media/renderer_gpu_video_accelerator_factories.cc b/content/renderer/media/renderer_gpu_video_accelerator_factories.cc
index 9ba79d4aa0e5a095c48cca0e87caced04f0330e0..ec6ef514f940eb23da40babe61c3f824d006c1ac 100644
--- a/content/renderer/media/renderer_gpu_video_accelerator_factories.cc
+++ b/content/renderer/media/renderer_gpu_video_accelerator_factories.cc
@@ -52,13 +52,13 @@ RendererGpuVideoAcceleratorFactories::Create(
     const scoped_refptr<ui::ContextProviderCommandBuffer>& context_provider,
     bool enable_gpu_memory_buffer_video_frames,
     const cc::BufferToTextureTargetMap& image_texture_targets,
-    bool enable_video_accelerator) {
+    bool enable_video_decode_accelerator) {
   RecordContextProviderPhaseUmaEnum(
       ContextProviderPhase::CONTEXT_PROVIDER_ACQUIRED);
   return base::WrapUnique(new RendererGpuVideoAcceleratorFactories(
       std::move(gpu_channel_host), main_thread_task_runner, task_runner,
       context_provider, enable_gpu_memory_buffer_video_frames,
-      image_texture_targets, enable_video_accelerator));
+      image_texture_targets, enable_video_decode_accelerator));
 }
 
 RendererGpuVideoAcceleratorFactories::RendererGpuVideoAcceleratorFactories(
@@ -68,7 +68,7 @@ RendererGpuVideoAcceleratorFactories::RendererGpuVideoAcceleratorFactories(
     const scoped_refptr<ui::ContextProviderCommandBuffer>& context_provider,
     bool enable_gpu_memory_buffer_video_frames,
     const cc::BufferToTextureTargetMap& image_texture_targets,
-    bool enable_video_accelerator)
+    bool enable_video_decode_accelerator)
     : main_thread_task_runner_(main_thread_task_runner),
       task_runner_(task_runner),
       gpu_channel_host_(std::move(gpu_channel_host)),
@@ -77,7 +77,7 @@ RendererGpuVideoAcceleratorFactories::RendererGpuVideoAcceleratorFactories(
       enable_gpu_memory_buffer_video_frames_(
           enable_gpu_memory_buffer_video_frames),
       image_texture_targets_(image_texture_targets),
-      video_accelerator_enabled_(enable_video_accelerator),
+      video_decode_accelerator_enabled_(enable_video_decode_accelerator),
       gpu_memory_buffer_manager_(
           RenderThreadImpl::current()->GetGpuMemoryBufferManager()),
       thread_safe_sender_(ChildThreadImpl::current()->thread_safe_sender()) {
@@ -110,8 +110,9 @@ bool RendererGpuVideoAcceleratorFactories::CheckContextLost() {
   return !context_provider_;
 }
 
-bool RendererGpuVideoAcceleratorFactories::IsGpuVideoAcceleratorEnabled() {
-  return video_accelerator_enabled_;
+bool RendererGpuVideoAcceleratorFactories::
+    IsGpuVideoDecodeAcceleratorEnabled() {
+  return video_decode_accelerator_enabled_;
 }
 
 base::UnguessableToken RendererGpuVideoAcceleratorFactories::GetChannelToken() {
@@ -136,7 +137,7 @@ int32_t RendererGpuVideoAcceleratorFactories::GetCommandBufferRouteId() {
 
 std::unique_ptr<media::VideoDecodeAccelerator>
 RendererGpuVideoAcceleratorFactories::CreateVideoDecodeAccelerator() {
-  DCHECK(video_accelerator_enabled_);
+  DCHECK(video_decode_accelerator_enabled_);
   DCHECK(task_runner_->BelongsToCurrentThread());
   if (CheckContextLost())
     return nullptr;
@@ -148,7 +149,6 @@ RendererGpuVideoAcceleratorFactories::CreateVideoDecodeAccelerator() {
 
 std::unique_ptr<media::VideoEncodeAccelerator>
 RendererGpuVideoAcceleratorFactories::CreateVideoEncodeAccelerator() {
-  DCHECK(video_accelerator_enabled_);
   DCHECK(task_runner_->BelongsToCurrentThread());
   if (CheckContextLost())
     return nullptr;