Make SpeechRecognition per RenderFrame instead of per RenderView.

content/shell/renderer/test_runner/web_test_proxy.cc

Index: content/shell/renderer/test_runner/web_test_proxy.cc
diff --git a/content/shell/renderer/test_runner/web_test_proxy.cc b/content/shell/renderer/test_runner/web_test_proxy.cc
index fbf4881d51c9dab2914356ae23a3a0a88dd12ef6..3a1f510f2ff0f7769669cb16696d13c727b4bf19 100644
--- a/content/shell/renderer/test_runner/web_test_proxy.cc
+++ b/content/shell/renderer/test_runner/web_test_proxy.cc
@@ -893,10 +893,6 @@ blink::WebMIDIClient* WebTestProxyBase::GetWebMIDIClient() {
   return GetMIDIClientMock();
 }
 
-blink::WebSpeechRecognizer* WebTestProxyBase::GetSpeechRecognizer() {
-  return GetSpeechRecognizerMock();
-}
-
 bool WebTestProxyBase::RequestPointerLock() {
   return test_interfaces_->GetTestRunner()->RequestPointerLock();
 }