Adds navigator.registerProtocolHandler.

chrome/renderer/render_view.cc

Index: chrome/renderer/render_view.cc
diff --git a/chrome/renderer/render_view.cc b/chrome/renderer/render_view.cc
index 48a3f621a6236a3ebf0658f46fdeecc9e6d5124b..48304f61e73e225da039197332486298172a8b39 100644
--- a/chrome/renderer/render_view.cc
+++ b/chrome/renderer/render_view.cc
@@ -5590,6 +5590,22 @@ void RenderView::zoomLevelChanged() {
       GURL(webview()->mainFrame()->url())));
 }
 
+void RenderView::registerProtocolHandler(const WebString& scheme,
+                                         const WebString& base_url,
+                                         const WebString& url,
+                                         const WebString& title) {
+  GURL base(base_url);
+  GURL absolute_url = base.Resolve(UTF16ToUTF8(url));
+  if (base.GetOrigin() != absolute_url.GetOrigin()) {
+    return;
+  }
+  RenderThread::current()->Send(
+      new ViewHostMsg_RegisterProtocolHandler(routing_id_,
+                                              UTF16ToUTF8(scheme),
+                                              absolute_url,
+                                              title));
+}
+
 bool RenderView::IsNonLocalTopLevelNavigation(
     const GURL& url, WebKit::WebFrame* frame, WebKit::WebNavigationType type) {
   // Must be a top level frame.