Allow test runner to run a callback when finishing a spellcheck request

components/test_runner/test_runner.h

 // Copyright 2014 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #ifndef COMPONENTS_TEST_RUNNER_TEST_RUNNER_H_
 #define COMPONENTS_TEST_RUNNER_TEST_RUNNER_H_
 
 #include <stdint.h>
 
 #include <deque>
@@ skipping 136 matching lines @@
   // will return true and start tracking |frame| as the top-loading-frame.
   bool tryToSetTopLoadingFrame(blink::WebFrame* frame);
 
   // To be called when |frame| finishes loading - TestRunner will check if
   // |frame| is currently tracked as the top-loading-frame, and if yes, then it
   // will return true, stop top-loading-frame tracking, and potentially finish
   // the test (unless testRunner.waitUntilDone() was called and/or there are
   // pending load requests in WorkQueue).
   bool tryToClearTopLoadingFrame(blink::WebFrame*);
 
+  blink::WebFrame* mainFrame() const;
   blink::WebFrame* topLoadingFrame() const;
   void policyDelegateDone();
   bool policyDelegateEnabled() const;
   bool policyDelegateIsPermissive() const;
   bool policyDelegateShouldNotifyDone() const;
   void setToolTipText(const blink::WebString&);
   void setDragImage(const blink::WebImage& drag_image);
   bool shouldDumpNavigationPolicy() const;
 
   midi::mojom::Result midiAccessorResult();
@@ skipping 491 matching lines @@
   blink::WebEffectiveConnectionType effective_connection_type_;
 
   base::WeakPtrFactory<TestRunner> weak_factory_;
 
   DISALLOW_COPY_AND_ASSIGN(TestRunner);
 };
 
 }  // namespace test_runner
 
 #endif  // COMPONENTS_TEST_RUNNER_TEST_RUNNER_H_