Remove GPU relinquish resources infrastructure and stop GPU process.

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 2f9ad8406ad3dd9840b0d4b42bacc9077954d893..5d98253910d4993e51517e0d68a344f0d016bff8 100644
--- a/ui/gl/gl_surface.h
+++ b/ui/gl/gl_surface.h
@@ -40,10 +40,6 @@ class GL_EXPORT GLSurface : public base::RefCounted<GLSurface> {
   // Destroys the surface.
   virtual void Destroy() = 0;
 
-  // Destroys the surface and terminates its underlying display. This must be
-  // the last surface which uses the display.
-  virtual void DestroyAndTerminateDisplay();
-
   virtual bool Resize(const gfx::Size& size);
 
   // Recreate the surface without changing the size.