Make SpeechRecognition per RenderFrame instead of per RenderView.

content/renderer/render_view_impl.h

Index: content/renderer/render_view_impl.h
diff --git a/content/renderer/render_view_impl.h b/content/renderer/render_view_impl.h
index 67adc19750321faa4bbb449b288f39b22fdf7cf5..0ee7b33a87f9462b756e818aa75abe67aa7e1849 100644
--- a/content/renderer/render_view_impl.h
+++ b/content/renderer/render_view_impl.h
@@ -134,7 +134,6 @@ class RenderViewObserver;
 class RenderViewTest;
 class RendererDateTimePicker;
 class RendererWebColorChooserImpl;
-class SpeechRecognitionDispatcher;
 class WebPluginDelegateProxy;
 struct DropData;
 struct FaviconURL;
@@ -416,7 +415,6 @@ class CONTENT_EXPORT RenderViewImpl
   virtual void navigateBackForwardSoon(int offset);
   virtual int historyBackListCount();
   virtual int historyForwardListCount();
-  virtual blink::WebSpeechRecognizer* speechRecognizer();
   virtual void zoomLimitsChanged(double minimum_level, double maximum_level);
   virtual void zoomLevelChanged();
   virtual double zoomLevelToZoomFactor(double zoom_level) const;
@@ -989,10 +987,6 @@ class CONTENT_EXPORT RenderViewImpl
   // along with the RenderView automatically.  This is why we just store
   // weak references.
 
-  // The speech recognition dispatcher attached to this view, lazily
-  // initialized.
-  SpeechRecognitionDispatcher* speech_recognition_dispatcher_;
-
   // BrowserPluginManager attached to this view; lazily initialized.
   scoped_refptr<BrowserPluginManager> browser_plugin_manager_;