Add libva to chromium third_party.

third_party/libva/va/egl/va_egl_private.h

Index: third_party/libva/va/egl/va_egl_private.h
diff --git a/third_party/libva/va/egl/va_egl_private.h b/third_party/libva/va/egl/va_egl_private.h
new file mode 100644
index 0000000000000000000000000000000000000000..5934e3679bfc821ea7131f55ff1c85cd6c590a31
--- /dev/null
+++ b/third_party/libva/va/egl/va_egl_private.h
@@ -0,0 +1,75 @@
+#ifndef _VA_EGL_PRIVATE_H_
+#define _VA_EGL_PRIVATE_H_
+
+#include "va.h"
+#include "va_backend.h"
+#include "va_egl.h"
+#include "va_backend_egl.h"
+
+typedef struct VADisplayContextEGL *VADisplayContextEGLP;
+typedef struct VADriverContextEGL  *VADriverContextEGLP;
+typedef struct VASurfaceImplEGL    *VASurfaceImplEGLP;
+typedef struct VADriverVTableEGL   *VADriverVTableEGLP;
+typedef struct VADriverVTablePrivEGL *VADriverVTablePrivEGLP;
+typedef void (*vaDestroyFunc)(VADisplayContextP);
+
+struct VADisplayContextEGL {
+    vaDestroyFunc vaDestroy;
+};
+
+#define VA_DRIVER_CONTEXT_EGL(ctx) ((VADriverContextEGLP)((ctx)->egl))
+
+struct VADriverVTablePrivEGL {
+    VAStatus (*vaQuerySurfaceTargetsEGL)(
+        VADisplay dpy,
+        EGLenum *target_list,           /* out */
+        int *num_targets		/* out */
+    );
+
+    VAStatus (*vaCreateSurfaceEGL)(
+        VADisplay dpy,
+        EGLenum target,
+        unsigned int width,
+        unsigned int height,
+        VASurfaceEGL *gl_surface
+    );
+
+    VAStatus (*vaDestroySurfaceEGL)(
+        VADisplay dpy,
+        VASurfaceEGL egl_surface
+    );
+
+    VAStatus (*vaAssociateSurfaceEGL)(
+        VADisplay dpy,
+        VASurfaceEGL egl_surface,
+        VASurfaceID surface,
+        unsigned int flags
+    );
+
+    VAStatus (*vaSyncSurfaceEGL)(
+        VADisplay dpy,
+        VASurfaceEGL egl_surface
+    );
+
+    VAStatus (*vaGetSurfaceInfoEGL)(
+        VADisplay dpy,
+        VASurfaceEGL egl_surface,
+        EGLenum *target,
+        EGLClientBuffer *buffer,
+        EGLint *attrib_list,
+        int *num_attribs
+    );
+
+    VAStatus (*vaDeassociateSurfaceEGL)(
+        VADisplay dpy,
+        VASurfaceEGL egl_surface
+    );
+};
+
+struct VADriverContextEGL {
+    struct VADriverVTablePrivEGL vtable;
+    unsigned int is_initialized : 1;
+    EGLDisplay  egl_display;
+};
+
+#endif /* _VA_EGL_PRIVATE_H_ */