Revert of SafeBrowsing: update interstitial layouts

chrome/browser/safe_browsing/safe_browsing_blocking_page_test.cc

Index: chrome/browser/safe_browsing/safe_browsing_blocking_page_test.cc
diff --git a/chrome/browser/safe_browsing/safe_browsing_blocking_page_test.cc b/chrome/browser/safe_browsing/safe_browsing_blocking_page_test.cc
index c8c7fada128e363657e48157f2c542500b3272df..a8c8bffc85b18c6e34acd9615cd9320f2d712969 100644
--- a/chrome/browser/safe_browsing/safe_browsing_blocking_page_test.cc
+++ b/chrome/browser/safe_browsing/safe_browsing_blocking_page_test.cc
@@ -562,26 +562,13 @@
     if (!rfh)
       return VISIBILITY_ERROR;
 
-    // clang-format off
-    std::string jsFindVisibility = R"(
-      (function isNodeVisible(node) {
-        if (!node) return 'node not found';
-        if (node.offsetWidth === 0 || node.offsetHeight === 0) return false;
-        // Don't check opacity, since the css transition may actually leave
-        // opacity at 0 after it's been unhidden
-        if (node.classList.contains('hidden')) return false;
-        // Otherwise, we must check all parent nodes
-        var parentVisibility = isNodeVisible(node.parentElement);
-        if (parentVisibility === 'node not found') {
-          return true; // none of the parents are set invisible
-        }
-        return parentVisibility;
-      }(document.getElementById(')" + node_id + R"(')));)";
-    // clang-format on
-
-    std::unique_ptr<base::Value> value =
-        content::ExecuteScriptAndGetValue(rfh, jsFindVisibility);
-
+    std::unique_ptr<base::Value> value = content::ExecuteScriptAndGetValue(
+        rfh, "var node = document.getElementById('" + node_id +
+                 "');\n"
+                 "if (node)\n"
+                 "   node.offsetWidth > 0 && node.offsetHeight > 0;"
+                 "else\n"
+                 "  'node not found';\n");
     if (!value.get())
       return VISIBILITY_ERROR;