Scope Element ID to use check_op and not hash.h

The header file is included in various spots in blink and pulls in more
than it should.

Change-Id: Icabd4a00d7a19daf2c78cec032ff9742b7d6f43d
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/2156606Reviewed-by: danakj <danakj@chromium.org>
Commit-Queue: Dave Tapuska <dtapuska@chromium.org>
Cr-Commit-Position: refs/heads/master@{#761035}

cc/paint/element_id.h

@@ -12,7 +12,7 @@
 #include <iosfwd>
 #include <memory>
 
-#include "base/hash/hash.h"
+#include "base/check_op.h"
 #include "cc/paint/paint_export.h"
 
 namespace base {