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

content/browser/web_contents/web_contents_view_guest.cc

Index: content/browser/web_contents/web_contents_view_guest.cc
diff --git a/content/browser/web_contents/web_contents_view_guest.cc b/content/browser/web_contents/web_contents_view_guest.cc
index 6e34125a85620fbbf6f4fa59974abb89b6180d18..5f6b51821fe0adabb3d9a681bf700c67c671c69d 100644
--- a/content/browser/web_contents/web_contents_view_guest.cc
+++ b/content/browser/web_contents/web_contents_view_guest.cc
@@ -4,6 +4,8 @@
 
 #include "content/browser/web_contents/web_contents_view_guest.h"
 
+#include <utility>
+
 #include "build/build_config.h"
 #include "content/browser/browser_plugin/browser_plugin_embedder.h"
 #include "content/browser/browser_plugin/browser_plugin_guest.h"
@@ -38,7 +40,7 @@ WebContentsViewGuest::WebContentsViewGuest(
     RenderViewHostDelegateView** delegate_view)
     : web_contents_(web_contents),
       guest_(guest),
-      platform_view_(platform_view.Pass()),
+      platform_view_(std::move(platform_view)),
       platform_view_delegate_view_(*delegate_view) {
   *delegate_view = this;
 }