Clean up ICC profile tracking

content/renderer/render_widget.h

Index: content/renderer/render_widget.h
diff --git a/content/renderer/render_widget.h b/content/renderer/render_widget.h
index 745c913e5845d98ec0ca28a6ae455e306aef7788..8446da1a0937d4fcb8aeabccd4fee5d591bb18e7 100644
--- a/content/renderer/render_widget.h
+++ b/content/renderer/render_widget.h
@@ -547,7 +547,6 @@ class CONTENT_EXPORT RenderWidget
   void AutoResizeCompositor();
 
   virtual void OnSetDeviceScaleFactor(float device_scale_factor);
-  bool SetDeviceColorProfile(const std::vector<char>& color_profile);
 
   virtual void OnOrientationChange();
 
@@ -745,9 +744,6 @@ class CONTENT_EXPORT RenderWidget
   // |screen_info_| on some platforms, and defaults to 1 on other platforms.
   float device_scale_factor_;
 
-  // The device color profile on supported platforms.
-  std::vector<char> device_color_profile_;
-
   // State associated with synthetic gestures. Synthetic gestures are processed
   // in-order, so a queue is sufficient to identify the correct state for a
   // completed gesture.