Renamed IsURLInPageNavigation to IsURLSameDocumentNavigation

This fixes the comment. The function was renamed here:
https://chromium-review.googlesource.com/675443

Bug: 695189
Change-Id: I58854785604b549d741c1a6287f66a767f749c12
Reviewed-on: https://chromium-review.googlesource.com/1067848
Reviewed-by: Charlie Reis <[email protected]>
Commit-Queue: Eugene But <[email protected]>
Cr-Commit-Position: refs/heads/master@{#560710}
diff --git a/content/browser/frame_host/navigation_controller_impl.cc b/content/browser/frame_host/navigation_controller_impl.cc
index 3ce1e355..6020ab2 100644
--- a/content/browser/frame_host/navigation_controller_impl.cc
+++ b/content/browser/frame_host/navigation_controller_impl.cc
@@ -1601,8 +1601,8 @@
       // (https://crbug.com/373041).
       // TODO(creis): For now, restrict this check to HTTP(S) origins, because
       // about:blank, file, and unique origins are more subtle to get right.
-      // We'll abstract out the relevant checks from IsURLInPageNavigation and
-      // share them here.  See https://crbug.com/618104.
+      // We'll abstract out the relevant checks from IsURLSameDocumentNavigation
+      // and share them here.  See https://crbug.com/618104.
       const GURL& dest_top_url = GetEntryAtIndex(entry_index)->GetURL();
       const GURL& current_top_url = GetLastCommittedEntry()->GetURL();
       if (current_top_url.SchemeIsHTTPOrHTTPS() &&