Make SpeechRecognition per RenderFrame instead of per RenderView.

content/common/frame_messages.h

 // Copyright 2013 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.
 
 // IPC messages for interacting with frames.
 // Multiply-included message file, hence no include guard.
 
 #include "content/common/content_export.h"
 #include "content/common/content_param_traits.h"
 #include "content/common/frame_message_enums.h"
@@ skipping 163 matching lines @@
   // User agent override used to navigate.
   IPC_STRUCT_MEMBER(bool, is_overriding_user_agent)
 
   // Notifies the browser that for this navigation, the session history was
   // successfully cleared.
   IPC_STRUCT_MEMBER(bool, history_list_was_cleared)
 
   // The routing_id of the render view associated with the navigation.
   // We need to track the RenderViewHost routing_id because of downstream
   // dependencies (crbug.com/392171 DownloadRequestHandle, SaveFileManager,
-  // ResourceDispatcherHostImpl, MediaStreamUIProxy,
-  // SpeechRecognitionDispatcherHost and possibly others). They look up the view
-  // based on the ID stored in the resource requests. Once those dependencies
-  // are unwound or moved to RenderFrameHost (crbug.com/304341) we can move the
-  // client to be based on the routing_id of the RenderFrameHost.
+  // ResourceDispatcherHostImpl, MediaStreamUIProxy, and possibly others). They
+  // look up the view based on the ID stored in the resource requests. Once
+  // those dependencies are unwound or moved to RenderFrameHost
+  // (crbug.com/304341) we can move the client to be based on the routing_id of
+  // the RenderFrameHost.
   IPC_STRUCT_MEMBER(int, render_view_routing_id)
 IPC_STRUCT_END()
 
 IPC_STRUCT_TRAITS_BEGIN(content::CommonNavigationParams)
   IPC_STRUCT_TRAITS_MEMBER(url)
   IPC_STRUCT_TRAITS_MEMBER(referrer)
   IPC_STRUCT_TRAITS_MEMBER(transition)
   IPC_STRUCT_TRAITS_MEMBER(navigation_type)
   IPC_STRUCT_TRAITS_MEMBER(allow_download)
 IPC_STRUCT_TRAITS_END()
@@ skipping 593 matching lines @@
 IPC_MESSAGE_ROUTED0(FrameHostMsg_DidFirstVisuallyNonEmptyPaint)
 
 #if defined(OS_MACOSX) || defined(OS_ANDROID)
 
 // Message to show/hide a popup menu using native controls.
 IPC_MESSAGE_ROUTED1(FrameHostMsg_ShowPopup,
                     FrameHostMsg_ShowPopup_Params)
 IPC_MESSAGE_ROUTED0(FrameHostMsg_HidePopup)
 
 #endif