Use IDCompositionSurface to implement DirectCompositionSurfaceWin.

ui/gl/gl_surface.h

Index: ui/gl/gl_surface.h
diff --git a/ui/gl/gl_surface.h b/ui/gl/gl_surface.h
index ce01dbc9e4aa77d0460a19e2266e0b3777e7ac8a..eccbca0d6a002a8a93346efb704231863bfca9d7 100644
--- a/ui/gl/gl_surface.h
+++ b/ui/gl/gl_surface.h
@@ -205,6 +205,11 @@ class GL_EXPORT GLSurface : public base::RefCounted<GLSurface> {
   // the next buffer may be 2 frames old.
   virtual bool BuffersFlipped() const;
 
+  virtual bool SupportsSetDrawRectangle() const;
+
+  // Set the rectangle that will be drawn into on the surface.
+  virtual bool SetDrawRectangle(const gfx::Rect& rect);
+
   static GLSurface* GetCurrent();
 
   // Called when the swap interval for the associated context changes.
@@ -277,6 +282,8 @@ class GL_EXPORT GLSurfaceAdapter : public GLSurface {
   bool IsSurfaceless() const override;
   bool FlipsVertically() const override;
   bool BuffersFlipped() const override;
+  bool SupportsSetDrawRectangle() const override;
+  bool SetDrawRectangle(const gfx::Rect& rect) override;
 
   GLSurface* surface() const { return surface_.get(); }