Add accelerated VP9 decode infrastructure and an implementation for VA-API.

content/common/sandbox_linux/bpf_gpu_policy_linux.cc

Index: content/common/sandbox_linux/bpf_gpu_policy_linux.cc
diff --git a/content/common/sandbox_linux/bpf_gpu_policy_linux.cc b/content/common/sandbox_linux/bpf_gpu_policy_linux.cc
index e4984ba6cf0da795a9635e33272f3d4e803ca27f..8f7fd64db52fba7ca167a702213c45699d738ad8 100644
--- a/content/common/sandbox_linux/bpf_gpu_policy_linux.cc
+++ b/content/common/sandbox_linux/bpf_gpu_policy_linux.cc
@@ -300,14 +300,18 @@ bool GpuProcessPolicy::PreSandboxHook() {
     if (IsAcceleratedVaapiVideoEncodeEnabled() ||
         IsAcceleratedVideoDecodeEnabled()) {
       const char* I965DrvVideoPath = NULL;
+      const char* I965HybridDrvVideoPath = NULL;
 
       if (IsArchitectureX86_64()) {
         I965DrvVideoPath = "/usr/lib64/va/drivers/i965_drv_video.so";
+        I965HybridDrvVideoPath = "/usr/lib64/va/drivers/hybrid_drv_video.so";
       } else if (IsArchitectureI386()) {
         I965DrvVideoPath = "/usr/lib/va/drivers/i965_drv_video.so";
       }
 
       dlopen(I965DrvVideoPath, RTLD_NOW|RTLD_GLOBAL|RTLD_NODELETE);
+      if (I965HybridDrvVideoPath)
+        dlopen(I965HybridDrvVideoPath, RTLD_NOW|RTLD_GLOBAL|RTLD_NODELETE);
       dlopen("libva.so.1", RTLD_NOW|RTLD_GLOBAL|RTLD_NODELETE);
 #if defined(USE_OZONE)
       dlopen("libva-drm.so.1", RTLD_NOW|RTLD_GLOBAL|RTLD_NODELETE);