Bind refactoring: guest_view

Explicitly mark GuestCallback as a RepeatingCallback and use BindRepeating on all callers

BUG=714018
[email protected]

Change-Id: I5e1d7283b421872291fad9131fb6977d1ba8b3c0
Reviewed-on: https://chromium-review.googlesource.com/970904
Commit-Queue: Mark Pilgrim <[email protected]>
Reviewed-by: Avi Drissman <[email protected]>
Cr-Commit-Position: refs/heads/master@{#545061}
diff --git a/content/browser/web_contents/web_contents_impl.cc b/content/browser/web_contents/web_contents_impl.cc
index ce2f473..d6e1ece 100644
--- a/content/browser/web_contents/web_contents_impl.cc
+++ b/content/browser/web_contents/web_contents_impl.cc
@@ -1160,7 +1160,7 @@
   if (browser_plugin_embedder_) {
     std::vector<WebContentsImpl*> inner_contents;
     GetBrowserContext()->GetGuestManager()->ForEachGuest(
-        this, base::Bind(&GetInnerWebContentsHelper, &inner_contents));
+        this, base::BindRepeating(&GetInnerWebContentsHelper, &inner_contents));
     return inner_contents;
   }