ui: Remove unused Layer API.

ui/compositor/layer.h

Index: ui/compositor/layer.h
diff --git a/ui/compositor/layer.h b/ui/compositor/layer.h
index 8b9092b4df7ed1b85b12a6f0685e29becf778c07..27743eca83d610e127a320100cf1ce098a5ae3fa 100644
--- a/ui/compositor/layer.h
+++ b/ui/compositor/layer.h
@@ -281,21 +281,6 @@ class COMPOSITOR_EXPORT Layer
   void SetTextureFlipped(bool flipped);
   bool TextureFlipped() const;
 
-  // The alpha value applied to the whole texture. The effective value of each
-  // pixel is computed as:
-  // pixel.a = pixel.a * alpha.
-  // Note: This is different from SetOpacity() as it only applies to the
-  // texture and child layers are unaffected.
-  // TODO(reveman): Remove once components/exo code is using SetShowSurface.
-  // crbug.com/610086
-  void SetTextureAlpha(float alpha);
-
-  // The texture crop rectangle to be used. Empty rectangle means no cropping.
-  void SetTextureCrop(const gfx::RectF& crop);
-
-  // The texture scale to be used. Defaults to no scaling.
-  void SetTextureScale(float x_scale, float y_scale);
-
   // Begins showing content from a surface with a particular id.
   void SetShowSurface(const cc::SurfaceId& surface_id,
                       const cc::SurfaceLayer::SatisfyCallback& satisfy_callback,
@@ -534,13 +519,6 @@ class COMPOSITOR_EXPORT Layer
   // or SetTextureMailbox was called.
   gfx::Size frame_size_in_dip_;
 
-  // The texture crop rectangle.
-  gfx::RectF texture_crop_;
-
-  // The texture scale.
-  float texture_x_scale_;
-  float texture_y_scale_;
-
   DISALLOW_COPY_AND_ASSIGN(Layer);
 };