Handle overlapping uses of MockWebSpeechRecognizer

components/test_runner/mock_web_speech_recognizer.h

Index: components/test_runner/mock_web_speech_recognizer.h
diff --git a/components/test_runner/mock_web_speech_recognizer.h b/components/test_runner/mock_web_speech_recognizer.h
index e80897af39c1b186479c02941c1d25e7d1e94e3c..94c310618c9f19b5e3df3f5e2d47273e5531fb67 100644
--- a/components/test_runner/mock_web_speech_recognizer.h
+++ b/components/test_runner/mock_web_speech_recognizer.h
@@ -48,11 +48,15 @@ class MockWebSpeechRecognizer : public blink::WebSpeechRecognizer {
   blink::WebSpeechRecognizerClient* Client() { return client_; }
   blink::WebSpeechRecognitionHandle& Handle() { return handle_; }
 
+  void SetClientContext(const blink::WebSpeechRecognitionHandle&,
+                        blink::WebSpeechRecognizerClient*);
+
   class Task {
    public:
     Task(MockWebSpeechRecognizer* recognizer) : recognizer_(recognizer) {}
     virtual ~Task() {}
     virtual void run() = 0;
+    virtual bool isNewContextTask() const;
 
    protected:
     MockWebSpeechRecognizer* recognizer_;