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diff --git a/content/renderer/speech_input_dispatcher.h b/content/renderer/speech_input_dispatcher.h
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+++ b/content/renderer/speech_input_dispatcher.h
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+// Copyright (c) 2010 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 CONTENT_RENDERER_SPEECH_INPUT_DISPATCHER_H_
+#define CONTENT_RENDERER_SPEECH_INPUT_DISPATCHER_H_
+
+#include "base/basictypes.h"
+#include "chrome/renderer/render_view_observer.h"
+#include "content/common/speech_input_result.h"
+#include "third_party/WebKit/Source/WebKit/chromium/public/WebSpeechInputController.h"
+
+class GURL;
+
+namespace WebKit {
+class WebSpeechInputListener;
+}
+
+// SpeechInputDispatcher is a delegate for speech input messages used by WebKit.
+// It's the complement of SpeechInputDispatcherHost (owned by RenderViewHost).
+class SpeechInputDispatcher : public RenderViewObserver,
+                              public WebKit::WebSpeechInputController {
+ public:
+  SpeechInputDispatcher(RenderView* render_view,
+                        WebKit::WebSpeechInputListener* listener);
+
+ private:
+  // RenderView::Observer implementation.
+  virtual bool OnMessageReceived(const IPC::Message& message);
+
+  // WebKit::WebSpeechInputController.
+  virtual bool startRecognition(int request_id,
+                                const WebKit::WebRect& element_rect,
+                                const WebKit::WebString& language,
+                                const WebKit::WebString& grammar,
+                                const WebKit::WebSecurityOrigin& origin);
+
+  virtual void cancelRecognition(int request_id);
+  virtual void stopRecording(int request_id);
+
+  void OnSpeechRecognitionResult(
+      int request_id, const speech_input::SpeechInputResultArray& result);
+  void OnSpeechRecordingComplete(int request_id);
+  void OnSpeechRecognitionComplete(int request_id);
+
+  WebKit::WebSpeechInputListener* listener_;
+
+  DISALLOW_COPY_AND_ASSIGN(SpeechInputDispatcher);
+};
+
+#endif  // CHROME_RENDERER_SPEECH_INPUT_DISPATCHER_H_