Revert of cc: Plumb the monitor color profile to renderer for rasterization

content/renderer/gpu/render_widget_compositor.h

Index: content/renderer/gpu/render_widget_compositor.h
diff --git a/content/renderer/gpu/render_widget_compositor.h b/content/renderer/gpu/render_widget_compositor.h
index 9edc508b311618c8f23aaff183a6b67b8370568b..2bed4bfb9989683bde1321e2ee72855714595301 100644
--- a/content/renderer/gpu/render_widget_compositor.h
+++ b/content/renderer/gpu/render_widget_compositor.h
@@ -36,10 +36,6 @@
 namespace proto {
 class CompositorMessage;
 }
-}
-
-namespace gfx {
-class ColorSpace;
 }
 
 namespace ui {
@@ -104,7 +100,6 @@
   void SetSurfaceClientId(uint32_t surface_id_namespace);
   void OnHandleCompositorProto(const std::vector<uint8_t>& proto);
   void SetPaintedDeviceScaleFactor(float device_scale);
-  void SetDeviceColorSpace(const gfx::ColorSpace& color_space);
 
   // WebLayerTreeView implementation.
   void setRootLayer(const blink::WebLayer& layer) override;