Allow speech input feature to be disabled.

content/renderer/render_view_impl.cc

 // Copyright (c) 2011 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.
 
 #include "content/renderer/render_view_impl.h"
 
 #include <algorithm>
 #include <cmath>
 #include <string>
 #include <vector>
@@ skipping 4367 matching lines @@
 }
 
 WebKit::WebGeolocationClient* RenderViewImpl::geolocationClient() {
   if (!geolocation_dispatcher_)
     geolocation_dispatcher_ = new GeolocationDispatcher(this);
   return geolocation_dispatcher_;
 }
 
 WebKit::WebSpeechInputController* RenderViewImpl::speechInputController(
     WebKit::WebSpeechInputListener* listener) {
+#if defined(ENABLE_INPUT_SPEECH)
   if (!speech_input_dispatcher_)
     speech_input_dispatcher_ = new SpeechInputDispatcher(this, listener);
+#endif
   return speech_input_dispatcher_;
 }
 
 WebKit::WebDeviceOrientationClient* RenderViewImpl::deviceOrientationClient() {
   if (!device_orientation_dispatcher_)
     device_orientation_dispatcher_ = new DeviceOrientationDispatcher(this);
   return device_orientation_dispatcher_;
 }
 
 void RenderViewImpl::zoomLimitsChanged(double minimum_level,
@@ skipping 190 matching lines @@
   pepper_delegate_.OnLockMouseACK(succeeded);
 }
 
 void RenderViewImpl::OnMouseLockLost() {
   pepper_delegate_.OnMouseLockLost();
 }
 
 bool RenderViewImpl::WebWidgetHandlesCompositorScheduling() const {
   return webview()->settings()->useThreadedCompositor();
 }