Reland: Refactor Vaapi video decoder/encoder in preparation of Freon support

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 4efb558d69e42a54a1bebd5a3ae00ee945737573..242684e0315b6594f47692a121af7d63cd93aba3 100644
--- a/content/common/gpu/media/vaapi_wrapper.h
+++ b/content/common/gpu/media/vaapi_wrapper.h
@@ -13,15 +13,17 @@
 #include <set>
 #include <vector>
 
-#include "base/callback.h"
 #include "base/memory/ref_counted.h"
 #include "base/synchronization/lock.h"
 #include "content/common/content_export.h"
 #include "content/common/gpu/media/va_surface.h"
 #include "media/base/video_decoder_config.h"
 #include "media/base/video_frame.h"
-#include "third_party/libva/va/va_x11.h"
+#include "third_party/libva/va/va.h"
 #include "ui/gfx/size.h"
+#if defined(USE_X11)
+#include "third_party/libva/va/va_x11.h"
+#endif  // USE_X11
 
 namespace content {
 
@@ -47,12 +49,10 @@ class CONTENT_EXPORT VaapiWrapper {
   static scoped_ptr<VaapiWrapper> Create(
       CodecMode mode,
       media::VideoCodecProfile profile,
-      Display* x_display,
       const base::Closure& report_error_to_uma_cb);
 
   // Return the supported encode profiles.
   static std::vector<media::VideoCodecProfile> GetSupportedEncodeProfiles(
-      Display* x_display,
       const base::Closure& report_error_to_uma_cb);
 
   ~VaapiWrapper();
@@ -64,7 +64,7 @@ class CONTENT_EXPORT VaapiWrapper {
   // again to free the allocated surfaces first, but is not required to do so
   // at destruction time, as this will be done automatically from
   // the destructor.
-  bool CreateSurfaces(gfx::Size size,
+  bool CreateSurfaces(const gfx::Size& size,
                       size_t num_surfaces,
                       std::vector<VASurfaceID>* va_surfaces);
 
@@ -97,11 +97,13 @@ class CONTENT_EXPORT VaapiWrapper {
   // buffers. Return false if Execute() fails.
   bool ExecuteAndDestroyPendingBuffers(VASurfaceID va_surface_id);
 
-  // Put data from |va_surface_id| into |x_pixmap| of size |size|,
-  // converting/scaling to it.
+#if defined(USE_X11)
+  // Put data from |va_surface_id| into |x_pixmap| of size
+  // |dest_size|, converting/scaling to it.
   bool PutSurfaceIntoPixmap(VASurfaceID va_surface_id,
                             Pixmap x_pixmap,
                             gfx::Size dest_size);
+#endif  // USE_X11
 
   // Returns true if the VAAPI version is less than the specified version.
   bool VAAPIVersionLessThan(int major, int minor);
@@ -144,11 +146,9 @@ class CONTENT_EXPORT VaapiWrapper {
 
   bool Initialize(CodecMode mode,
                   media::VideoCodecProfile profile,
-                  Display* x_display,
-                  const base::Closure& report_error_to_uma_cb);
+                  const base::Closure& report_error__to_uma_cb);
   void Deinitialize();
-  bool VaInitialize(Display* x_display,
-                    const base::Closure& report_error_to_uma_cb);
+  bool VaInitialize(const base::Closure& report_error_to_uma_cb);
   bool GetSupportedVaProfiles(std::vector<VAProfile>* profiles);
   bool IsEntrypointSupported(VAProfile va_profile, VAEntrypoint entrypoint);
   bool AreAttribsSupported(VAProfile va_profile,
@@ -179,7 +179,7 @@ class CONTENT_EXPORT VaapiWrapper {
   int major_version_, minor_version_;
 
   // VA handles.
-  // Both valid after successful Initialize() and until Deinitialize().
+  // All valid after successful Initialize() and until Deinitialize().
   VADisplay va_display_;
   VAConfigID va_config_id_;
   // Created for the current set of va_surface_ids_ in CreateSurfaces() and