Change effect of flag kDisableAcceleratedVideoDecode to only affect decode

content/renderer/media/renderer_gpu_video_accelerator_factories.h

Index: content/renderer/media/renderer_gpu_video_accelerator_factories.h
diff --git a/content/renderer/media/renderer_gpu_video_accelerator_factories.h b/content/renderer/media/renderer_gpu_video_accelerator_factories.h
index b968dc3eb630a83c9813783f6d96a3ce5c123c06..6a23b2a8fe33bddedc1d365a2247323c49984ee7 100644
--- a/content/renderer/media/renderer_gpu_video_accelerator_factories.h
+++ b/content/renderer/media/renderer_gpu_video_accelerator_factories.h
@@ -54,10 +54,10 @@ class CONTENT_EXPORT 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);
 
   // media::GpuVideoAcceleratorFactories implementation.
-  bool IsGpuVideoAcceleratorEnabled() override;
+  bool IsGpuVideoDecodeAcceleratorEnabled() override;
   base::UnguessableToken GetChannelToken() override;
   int32_t GetCommandBufferRouteId() override;
   std::unique_ptr<media::VideoDecodeAccelerator> CreateVideoDecodeAccelerator()
@@ -108,7 +108,7 @@ class CONTENT_EXPORT 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);
 
   scoped_refptr<base::SingleThreadTaskRunner> main_thread_task_runner_;
   scoped_refptr<base::SingleThreadTaskRunner> task_runner_;
@@ -126,8 +126,8 @@ class CONTENT_EXPORT RendererGpuVideoAcceleratorFactories
   // Whether gpu memory buffers should be used to hold video frames data.
   bool enable_gpu_memory_buffer_video_frames_;
   const cc::BufferToTextureTargetMap image_texture_targets_;
-  // Whether video acceleration encoding/decoding should be enabled.
-  const bool video_accelerator_enabled_;
+  // Whether video acceleration decoding should be enabled.
+  const bool video_decode_accelerator_enabled_;
 
   gpu::GpuMemoryBufferManager* const gpu_memory_buffer_manager_;