Convert Pass()→std::move() in //content/browser

content/browser/renderer_host/media/media_stream_ui_proxy.cc

Index: content/browser/renderer_host/media/media_stream_ui_proxy.cc
diff --git a/content/browser/renderer_host/media/media_stream_ui_proxy.cc b/content/browser/renderer_host/media/media_stream_ui_proxy.cc
index 4e4f442c6f92101379c4bf6a360a14faf6fa23c1..6cecbec2febfe5263abd0b11401e27b22ec71146 100644
--- a/content/browser/renderer_host/media/media_stream_ui_proxy.cc
+++ b/content/browser/renderer_host/media/media_stream_ui_proxy.cc
@@ -4,6 +4,8 @@
 
 #include "content/browser/renderer_host/media/media_stream_ui_proxy.h"
 
+#include <utility>
+
 #include "base/command_line.h"
 #include "base/macros.h"
 #include "content/browser/frame_host/frame_tree_node.h"
@@ -130,7 +132,7 @@ void MediaStreamUIProxy::Core::ProcessAccessRequestResponse(
     scoped_ptr<MediaStreamUI> stream_ui) {
   DCHECK_CURRENTLY_ON(BrowserThread::UI);
 
-  ui_ = stream_ui.Pass();
+  ui_ = std::move(stream_ui);
   BrowserThread::PostTask(
       BrowserThread::IO, FROM_HERE,
       base::Bind(&MediaStreamUIProxy::ProcessAccessRequestResponse,