Prevent webview tags from navigating outside web-safe schemes.

content/public/browser/render_view_host.h

Index: content/public/browser/render_view_host.h
diff --git a/content/public/browser/render_view_host.h b/content/public/browser/render_view_host.h
index db2cff7bd9f8e327a18507a5774ede2d86f5136a..26178e4cdf41aab340b006d9907bb713a1b78040 100644
--- a/content/public/browser/render_view_host.h
+++ b/content/public/browser/render_view_host.h
@@ -66,7 +66,7 @@ class CONTENT_EXPORT RenderViewHost : virtual public RenderWidgetHost {
   // Checks that the given renderer can request |url|, if not it sets it to
   // about:blank.
   // |empty_allowed| must be set to false for navigations for security reasons.
-  static void FilterURL(int renderer_id,
+  static void FilterURL(const RenderProcessHost* process,
                         bool empty_allowed,
                         GURL* url);