Pass Client pointer in Initialize() for VDA/VEA

content/common/gpu/media/dxva_video_decode_accelerator.cc

Index: content/common/gpu/media/dxva_video_decode_accelerator.cc
diff --git a/content/common/gpu/media/dxva_video_decode_accelerator.cc b/content/common/gpu/media/dxva_video_decode_accelerator.cc
index 38030305f0f6fed02a9eb789ebf49ae0aae3e99a..4e3c673d21364ff16467851ebdc665c957bcf9e2 100644
--- a/content/common/gpu/media/dxva_video_decode_accelerator.cc
+++ b/content/common/gpu/media/dxva_video_decode_accelerator.cc
@@ -413,9 +413,8 @@ bool DXVAVideoDecodeAccelerator::CreateD3DDevManager() {
 }
 
 DXVAVideoDecodeAccelerator::DXVAVideoDecodeAccelerator(
-    media::VideoDecodeAccelerator::Client* client,
     const base::Callback<bool(void)>& make_context_current)
-    : client_(client),
+    : client_(NULL),
       dev_manager_reset_token_(0),
       egl_config_(NULL),
       state_(kUninitialized),
@@ -430,9 +429,12 @@ DXVAVideoDecodeAccelerator::~DXVAVideoDecodeAccelerator() {
   client_ = NULL;
 }
 
-bool DXVAVideoDecodeAccelerator::Initialize(media::VideoCodecProfile profile) {
+bool DXVAVideoDecodeAccelerator::Initialize(media::VideoCodecProfile profile,
+                                            Client* client) {
   DCHECK(CalledOnValidThread());
 
+  client_ = client;
+
   // Not all versions of Windows 7 and later include Media Foundation DLLs.
   // Instead of crashing while delay loading the DLL when calling MFStartup()
   // below, probe whether we can successfully load the DLL now.