[Ozone] Extends the lifetime of VaapiWrapper

content/common/gpu/media/vaapi_wrapper.h

Index: content/common/gpu/media/vaapi_wrapper.h
diff --git a/content/common/gpu/media/vaapi_wrapper.h b/content/common/gpu/media/vaapi_wrapper.h
index 49e9f04f4cee79bfb6ad721e51a813e5c74e9cb2..a772ce7fb7390ac89ae408ce51d8ba11aa3c1062 100644
--- a/content/common/gpu/media/vaapi_wrapper.h
+++ b/content/common/gpu/media/vaapi_wrapper.h
@@ -43,7 +43,7 @@ namespace content {
 // It is also responsible for managing and freeing VABuffers (not VASurfaces),
 // which are used to queue parameters and slice data to the HW codec,
 // as well as underlying memory for VASurfaces themselves.
-class CONTENT_EXPORT VaapiWrapper {
+class CONTENT_EXPORT VaapiWrapper : public base::RefCounted<VaapiWrapper> {
  public:
   enum CodecMode {
     kDecode,
@@ -54,7 +54,7 @@ class CONTENT_EXPORT VaapiWrapper {
   // Return an instance of VaapiWrapper initialized for |va_profile| and
   // |mode|. |report_error_to_uma_cb| will be called independently from
   // reporting errors to clients via method return values.
-  static scoped_ptr<VaapiWrapper> Create(
+  static scoped_refptr<VaapiWrapper> Create(
       CodecMode mode,
       VAProfile va_profile,
       const base::Closure& report_error_to_uma_cb);
@@ -63,7 +63,7 @@ class CONTENT_EXPORT VaapiWrapper {
   // |profile| to VAProfile.
   // |report_error_to_uma_cb| will be called independently from reporting
   // errors to clients via method return values.
-  static scoped_ptr<VaapiWrapper> CreateForVideoCodec(
+  static scoped_refptr<VaapiWrapper> CreateForVideoCodec(
       CodecMode mode,
       media::VideoCodecProfile profile,
       const base::Closure& report_error_to_uma_cb);