Move MediaDeviceIDSalt from ProfileIOData to ProfileImpl.

content/browser/frame_host/render_frame_host_impl.cc

Index: content/browser/frame_host/render_frame_host_impl.cc
diff --git a/content/browser/frame_host/render_frame_host_impl.cc b/content/browser/frame_host/render_frame_host_impl.cc
index ccd8ee7a90b9ac9e586d7e55cd15a34526814c05..8389f68502319ff7f8b421bc2faf7da0cbf12fce 100644
--- a/content/browser/frame_host/render_frame_host_impl.cc
+++ b/content/browser/frame_host/render_frame_host_impl.cc
@@ -80,7 +80,6 @@
 #include "content/public/browser/permission_type.h"
 #include "content/public/browser/render_process_host.h"
 #include "content/public/browser/render_widget_host_view.h"
-#include "content/public/browser/resource_context.h"
 #include "content/public/browser/storage_partition.h"
 #include "content/public/browser/stream_handle.h"
 #include "content/public/common/bindings_policy.h"
@@ -2533,7 +2532,6 @@ void RenderFrameHostImpl::RegisterMojoInterfaces() {
         base::Bind(&MediaDevicesDispatcherHost::Create, GetProcess()->GetID(),
                    GetRoutingID(), GetProcess()
                                        ->GetBrowserContext()
-                                       ->GetResourceContext()
                                        ->GetMediaDeviceIDSalt(),
                    base::Unretained(media_stream_manager)),
         BrowserThread::GetTaskRunnerForThread(BrowserThread::IO));