Adds chromium side plumbing to pass speech input calls back and forth with WebKit.

chrome/renderer/render_view.cc

Index: chrome/renderer/render_view.cc
diff --git a/chrome/renderer/render_view.cc b/chrome/renderer/render_view.cc
index a7787a56b1fd5cd5f902563da673d99bb8425b8c..c9a826e671c22de23828421fb95594cd4a1d741c 100644
--- a/chrome/renderer/render_view.cc
+++ b/chrome/renderer/render_view.cc
@@ -61,6 +61,7 @@
 #include "chrome/renderer/render_view_visitor.h"
 #include "chrome/renderer/renderer_webapplicationcachehost_impl.h"
 #include "chrome/renderer/renderer_webstoragenamespace_impl.h"
+#include "chrome/renderer/speech_input_dispatcher.h"
 #include "chrome/renderer/spellchecker/spellcheck.h"
 #include "chrome/renderer/user_script_slave.h"
 #include "chrome/renderer/visitedlink_slave.h"
@@ -628,6 +629,10 @@ void RenderView::OnMessageReceived(const IPC::Message& message) {
       geolocation_dispatcher_->OnMessageReceived(message)) {
     return;
   }
+  if (speech_input_dispatcher_.get() &&
+      speech_input_dispatcher_->OnMessageReceived(message)) {
+    return;
+  }
 
   IPC_BEGIN_MESSAGE_MAP(RenderView, message)
     IPC_MESSAGE_HANDLER(ViewMsg_CaptureThumbnail, OnCaptureThumbnail)
@@ -5258,6 +5263,13 @@ WebKit::WebGeolocationService* RenderView::geolocationService() {
   return geolocation_dispatcher_.get();
 }
 
+WebKit::WebSpeechInputController* RenderView::speechInputController(
+    WebKit::WebSpeechInputListener* listener) {
+  if (!speech_input_dispatcher_.get())
+    speech_input_dispatcher_.reset(new SpeechInputDispatcher(this, listener));
+  return speech_input_dispatcher_.get();
+}
+
 bool RenderView::IsNonLocalTopLevelNavigation(
     const GURL& url, WebKit::WebFrame* frame, WebKit::WebNavigationType type) {
   // Must be a top level frame.