Enable find-in-page across GuestViews.

chrome/browser/apps/guest_view/web_view_browsertest.cc

Index: chrome/browser/apps/guest_view/web_view_browsertest.cc
diff --git a/chrome/browser/apps/guest_view/web_view_browsertest.cc b/chrome/browser/apps/guest_view/web_view_browsertest.cc
index ac627007df6ef67f9f3f210b6b4157dc757bf23d..bf978ee5ada31f8ad8b00f1cdff89c63cdcb4367 100644
--- a/chrome/browser/apps/guest_view/web_view_browsertest.cc
+++ b/chrome/browser/apps/guest_view/web_view_browsertest.cc
@@ -3144,6 +3144,10 @@ IN_PROC_BROWSER_TEST_P(WebViewTest, MAYBE_Shim_TestFindAPI_findupdate) {
   TestHelper("testFindAPI_findupdate", "web_view/shim", NO_TEST_SERVER);
 }
 
+IN_PROC_BROWSER_TEST_P(WebViewTest, Shim_testFindInMultipleWebViews) {
+  TestHelper("testFindInMultipleWebViews", "web_view/shim", NO_TEST_SERVER);
+}
+
 IN_PROC_BROWSER_TEST_P(WebViewTest, Shim_TestLoadDataAPI) {
   TestHelper("testLoadDataAPI", "web_view/shim", NEEDS_TEST_SERVER);
 }