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

content/browser/frame_host/render_frame_proxy_host.cc

Index: content/browser/frame_host/render_frame_proxy_host.cc
diff --git a/content/browser/frame_host/render_frame_proxy_host.cc b/content/browser/frame_host/render_frame_proxy_host.cc
index ac53e5ac11f160a9b82fea58a93b7a4cd5842d7e..49bcfc9093a7b05aacb769e20374a84c02cd980d 100644
--- a/content/browser/frame_host/render_frame_proxy_host.cc
+++ b/content/browser/frame_host/render_frame_proxy_host.cc
@@ -4,6 +4,8 @@
 
 #include "content/browser/frame_host/render_frame_proxy_host.h"
 
+#include <utility>
+
 #include "base/lazy_instance.h"
 #include "content/browser/bad_message.h"
 #include "content/browser/frame_host/cross_process_frame_connector.h"
@@ -122,13 +124,13 @@ RenderWidgetHostView* RenderFrameProxyHost::GetRenderWidgetHostView() {
 void RenderFrameProxyHost::TakeFrameHostOwnership(
     scoped_ptr<RenderFrameHostImpl> render_frame_host) {
   CHECK(render_frame_host_ == nullptr);
-  render_frame_host_ = render_frame_host.Pass();
+  render_frame_host_ = std::move(render_frame_host);
   render_frame_host_->set_render_frame_proxy_host(this);
 }
 
 scoped_ptr<RenderFrameHostImpl> RenderFrameProxyHost::PassFrameHostOwnership() {
   render_frame_host_->set_render_frame_proxy_host(NULL);
-  return render_frame_host_.Pass();
+  return std::move(render_frame_host_);
 }
 
 bool RenderFrameProxyHost::Send(IPC::Message *msg) {