Remove unused helpers to selectively traverse through only local frames.

third_party/WebKit/public/web/WebLocalFrame.h

Index: third_party/WebKit/public/web/WebLocalFrame.h
diff --git a/third_party/WebKit/public/web/WebLocalFrame.h b/third_party/WebKit/public/web/WebLocalFrame.h
index 981d53b8ccccb59098393a73f53e47a17c1b73b9..cb307e793d5eb9ea7e67c423c55f2cd5e8e705c1 100644
--- a/third_party/WebKit/public/web/WebLocalFrame.h
+++ b/third_party/WebKit/public/web/WebLocalFrame.h
@@ -67,11 +67,6 @@ public:
     // Get the highest-level LocalFrame in this frame's in-process subtree.
     virtual WebLocalFrame* localRoot() = 0;
 
-    // Returns the previous/next local frame in "frame traversal order",
-    // optionally wrapping around.
-    virtual WebLocalFrame* traversePreviousLocal(bool wrap) const = 0;
-    virtual WebLocalFrame* traverseNextLocal(bool wrap) const = 0;
-
     // Navigation Ping --------------------------------------------------------
 
     virtual void sendPings(const WebURL& destinationURL) = 0;