Make SpeechRecognition per RenderFrame instead of per RenderView.

content/renderer/render_view_impl.cc

Index: content/renderer/render_view_impl.cc
diff --git a/content/renderer/render_view_impl.cc b/content/renderer/render_view_impl.cc
index c097d7c9718252f07865be51eca903d25535784d..e5e70eff4110b826a265c92348b622d337981d3c 100644
--- a/content/renderer/render_view_impl.cc
+++ b/content/renderer/render_view_impl.cc
@@ -99,7 +99,6 @@
 #include "content/renderer/resizing_mode_selector.h"
 #include "content/renderer/savable_resources.h"
 #include "content/renderer/skia_benchmarking_extension.h"
-#include "content/renderer/speech_recognition_dispatcher.h"
 #include "content/renderer/stats_collection_controller.h"
 #include "content/renderer/stats_collection_observer.h"
 #include "content/renderer/text_input_client_observer.h"
@@ -667,7 +666,6 @@ RenderViewImpl::RenderViewImpl(const ViewMsg_New_Params& params)
       top_controls_constraints_(cc::BOTH),
 #endif
       has_scrolled_focused_editable_node_into_rect_(false),
-      speech_recognition_dispatcher_(NULL),
       browser_plugin_manager_(NULL),
       devtools_agent_(NULL),
       mouse_lock_dispatcher_(NULL),
@@ -3513,8 +3511,6 @@ void RenderViewImpl::OnWasHidden() {
 #if defined(OS_ANDROID) && defined(ENABLE_WEBRTC)
   RenderThreadImpl::current()->video_capture_impl_manager()->
       SuspendDevices(true);
-  if (speech_recognition_dispatcher_)
-    speech_recognition_dispatcher_->AbortAllRecognitions();
 #endif
 
   if (webview())
@@ -3865,12 +3861,6 @@ bool RenderViewImpl::ScheduleFileChooser(
   return true;
 }
 
-blink::WebSpeechRecognizer* RenderViewImpl::speechRecognizer() {
-  if (!speech_recognition_dispatcher_)
-    speech_recognition_dispatcher_ = new SpeechRecognitionDispatcher(this);
-  return speech_recognition_dispatcher_;
-}
-
 void RenderViewImpl::zoomLimitsChanged(double minimum_level,
                                        double maximum_level) {
   int minimum_percent = static_cast<int>(