Remove dependency on Earl Grey from WebViewInteractionTestUtil

ios/web/public/test/web_view_interaction_test_util.mm

Index: ios/web/public/test/web_view_interaction_test_util.mm
diff --git a/ios/web/public/test/web_view_interaction_test_util.mm b/ios/web/public/test/web_view_interaction_test_util.mm
index db4000300e857f21bb245d6c750af05017db6fbd..73bbedeb05e23b4d9b8bb9a8e022a5ca162d0e85 100644
--- a/ios/web/public/test/web_view_interaction_test_util.mm
+++ b/ios/web/public/test/web_view_interaction_test_util.mm
@@ -6,7 +6,7 @@
 
 #import <Foundation/Foundation.h>
 
-#include "ios/testing/earl_grey/wait_util.h"
+#include "base/test/ios/wait_util.h"
 #import "ios/web/web_state/ui/crw_web_controller.h"
 #include "ios/web/web_state/web_state_impl.h"
 
@@ -15,6 +15,9 @@ using web::NavigationManager;
 namespace web {
 namespace test {
 
+const NSTimeInterval kWaitForJSCompletionTimeout = 2.0;
+const NSTimeInterval kSpinDelaySeconds = 0.01;
+
 enum ElementAction { ELEMENT_ACTION_CLICK, ELEMENT_ACTION_FOCUS };
 
 // Returns whether the Javascript action specified by |action| ran on
@@ -51,11 +54,15 @@ bool RunActionOnWebViewElementWithId(web::WebState* web_state,
                         element_found = [result boolValue];
                       }];
 
-  testing::WaitUntilCondition(testing::kWaitForJSCompletionTimeout, ^{
-    return did_complete;
-  });
+  NSDate* deadline =
+      [NSDate dateWithTimeIntervalSinceNow:kWaitForJSCompletionTimeout];
+  while (!did_complete &&
+         [[NSDate date] compare:deadline] != NSOrderedDescending) {
+    base::test::ios::SpinRunLoopWithMaxDelay(
+        base::TimeDelta::FromSecondsD(kSpinDelaySeconds));
+  }
 
-  return element_found;
+  return did_complete && element_found;
 }
 
 bool TapWebViewElementWithId(web::WebState* web_state,