[Ozone] Extends the lifetime of VaapiWrapper

ui/ozone/public/native_pixmap.h

Index: ui/ozone/public/native_pixmap.h
diff --git a/ui/ozone/public/native_pixmap.h b/ui/ozone/public/native_pixmap.h
index a472fb55257f2913ac2240dce33a35b2b2203e0f..cc207f66556489b5677c5e1c427d814fa0a53c2b 100644
--- a/ui/ozone/public/native_pixmap.h
+++ b/ui/ozone/public/native_pixmap.h
@@ -28,6 +28,7 @@ class NativePixmap : public base::RefCountedThreadSafe<NativePixmap> {
   virtual int GetDmaBufFd() = 0;
   virtual int GetDmaBufPitch() = 0;
   virtual gfx::BufferFormat GetBufferFormat() = 0;
+  virtual gfx::Size size() const = 0;

[kalyank, 2015/11/24 23:00:24]

GetBufferSize to be consistent with other API.

[william.xie1, 2015/11/25 02:19:26]

Done.

 
   // Sets the overlay plane to switch to at the next page flip.
   // |w| specifies the screen to display this overlay plane on.
@@ -49,9 +50,10 @@ class NativePixmap : public base::RefCountedThreadSafe<NativePixmap> {
   // This represents a callback function pointing to processing unit like VPP to
   // do post-processing operations on native pixmap with required size and
   // format.
-  typedef base::Callback<scoped_refptr<NativePixmap>(gfx::Size,
-                                                     gfx::BufferFormat)>
-      ProcessingCallback;
+  typedef base::Callback<scoped_refptr<NativePixmap>(
+      const scoped_refptr<NativePixmap>&,
+      const gfx::Size&,
+      gfx::BufferFormat)> ProcessingCallback;
 
   // Set callback function for the pixmap used for post processing.
   virtual void SetProcessingCallback(