Remove page id from ViewHostMsg_UpdateTargetURL; no one actually uses it on the browser side.

content/browser/renderer_host/render_view_host_delegate.h

Index: content/browser/renderer_host/render_view_host_delegate.h
diff --git a/content/browser/renderer_host/render_view_host_delegate.h b/content/browser/renderer_host/render_view_host_delegate.h
index dfc46f18c99b56c1508e1d02acfddaee0e5ee2ec..f101be1216bb8af63c66e69786ac41ed78fd34d8 100644
--- a/content/browser/renderer_host/render_view_host_delegate.h
+++ b/content/browser/renderer_host/render_view_host_delegate.h
@@ -109,8 +109,8 @@ class CONTENT_EXPORT RenderViewHostDelegate {
                            int32 page_id,
                            const PageState& state) {}
 
-  // The destination URL has changed should be updated
-  virtual void UpdateTargetURL(int32 page_id, const GURL& url) {}
+  // The destination URL has changed should be updated.
+  virtual void UpdateTargetURL(const GURL& url) {}
 
   // The page is trying to close the RenderView's representation in the client.
   virtual void Close(RenderViewHost* render_view_host) {}