[Cross-Site Isolation] Migrate entire MediaStream verticals to be per-RenderFrame.

content/browser/frame_host/render_frame_host_delegate.cc

Index: content/browser/frame_host/render_frame_host_delegate.cc
diff --git a/content/browser/frame_host/render_frame_host_delegate.cc b/content/browser/frame_host/render_frame_host_delegate.cc
index 3b7fad19469bda6f4ab08ff2ac010cc57f5ca07d..d33318546a8ce329357f4cd164ba6792dae54ab6 100644
--- a/content/browser/frame_host/render_frame_host_delegate.cc
+++ b/content/browser/frame_host/render_frame_host_delegate.cc
@@ -4,6 +4,7 @@
 
 #include <stddef.h>
 
+#include "base/callback.h"
 #include "base/strings/string16.h"
 #include "content/browser/frame_host/render_frame_host_delegate.h"
 #include "url/gurl.h"
@@ -34,4 +35,12 @@ WebContents* RenderFrameHostDelegate::GetAsWebContents() {
   return NULL;
 }
 
+void RenderFrameHostDelegate::RequestMediaAccessPermission(
+    const MediaStreamRequest& request,
+    const MediaResponseCallback& callback) {
+  callback.Run(MediaStreamDevices(),
+               MEDIA_DEVICE_INVALID_STATE,
+               scoped_ptr<MediaStreamUI>());
+}
+
 }  // namespace content