content gpu refactor: get rid of gpu related content switches.

content/common/gpu/media/dxva_video_decode_accelerator_win.h

Index: content/common/gpu/media/dxva_video_decode_accelerator_win.h
diff --git a/content/common/gpu/media/dxva_video_decode_accelerator_win.h b/content/common/gpu/media/dxva_video_decode_accelerator_win.h
index 7624202fa9115a394b5bd7643525dd6be02eb896..aa606383efc322a1c8bf9f5b5e33ac289ae02bc8 100644
--- a/content/common/gpu/media/dxva_video_decode_accelerator_win.h
+++ b/content/common/gpu/media/dxva_video_decode_accelerator_win.h
@@ -60,9 +60,10 @@ class CONTENT_EXPORT DXVAVideoDecodeAccelerator
   };
 
   // Does not take ownership of |client| which must outlive |*this|.
-  explicit DXVAVideoDecodeAccelerator(
+  DXVAVideoDecodeAccelerator(
       const base::Callback<bool(void)>& make_context_current,
-      gfx::GLContext* gl_context);
+      gfx::GLContext* gl_context,
+      bool enable_accelerated_vpx_decode);
   ~DXVAVideoDecodeAccelerator() override;
 
   // media::VideoDecodeAccelerator implementation.
@@ -393,6 +394,9 @@ class CONTENT_EXPORT DXVAVideoDecodeAccelerator
   // Set to true if we are sharing ANGLE's device.
   bool using_angle_device_;
 
+  // Enables experimental hardware acceleration for VP8/VP9 video decoding.
+  const bool enable_accelerated_vpx_decode_;
+
   // WeakPtrFactory for posting tasks back to |this|.
   base::WeakPtrFactory<DXVAVideoDecodeAccelerator> weak_this_factory_;