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diff --git a/Source/WebCore/page/SpeechInputClient.h b/Source/WebCore/page/SpeechInputClient.h
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+/*
+ * Copyright (C) 2010 Google Inc. All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are
+ * met:
+ *
+ * Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ *     * Redistributions in binary form must reproduce the above
+ * copyright notice, this list of conditions and the following disclaimer
+ * in the documentation and/or other materials provided with the
+ * distribution.
+ *     * Neither the name of Google Inc. nor the names of its
+ * contributors may be used to endorse or promote products derived from
+ * this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+ * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+ * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+ * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+ * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+ * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+ * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+ * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+
+#ifndef SpeechInputClient_h
+#define SpeechInputClient_h
+
+#include <wtf/Forward.h>
+
+#if ENABLE(INPUT_SPEECH)
+
+namespace WebCore {
+
+class IntRect;
+class SecurityOrigin;
+class SpeechInputListener;
+class Page;
+
+// Provides an interface for SpeechInput to call into the embedder.
+class SpeechInputClient {
+public:
+    // This is the first call made by a listener, registering itself for future callbacks.
+    // When the listener no longer needs speech input (for e.g. when it gets destroyed),
+    // it should set a null listener to stop receiving callbacks.
+    // The client does not take ownership of the pointer.
+    virtual void setListener(SpeechInputListener*) = 0;
+
+    // Starts speech recognition and audio recording. elementRect is the position
+    // of the element where the user clicked in the RootView coordinate system.
+    virtual bool startRecognition(int requestId, const IntRect& elementRect, const AtomicString& language, const String& grammar, SecurityOrigin*) = 0;
+
+    // Stops audio recording and performs recognition with the audio recorded until now
+    // (does not discard audio).
+    virtual void stopRecording(int requestId) = 0;
+
+    // Cancels an ongoing recognition and discards any audio recorded so far. No partial
+    // recognition results are returned to the listener.
+    virtual void cancelRecognition(int requestId) = 0;
+
+protected:
+    virtual ~SpeechInputClient() { }
+};
+
+void provideSpeechInputTo(Page*, SpeechInputClient*);
+
+} // namespace WebCore
+
+#endif // ENABLE(INPUT_SPEECH)
+
+#endif // SpeechInputClient_h