Make ViewHostMsg_Keygen a routed ipc (part 1/2).

content/renderer/render_view.cc

Index: content/renderer/render_view.cc
diff --git a/content/renderer/render_view.cc b/content/renderer/render_view.cc
index 63c36b4f21837c3273be066e88f452dd857feadf..c6dde8a2e6461a87e521d603adf9c014db92a1d6 100644
--- a/content/renderer/render_view.cc
+++ b/content/renderer/render_view.cc
@@ -2796,6 +2796,20 @@ void RenderView::requestStorageQuota(
       GURL(origin.toString()), type, requested_size, callbacks);
 }
 
+WebString RenderView::signedPublicKeyAndChallengeString(
+    unsigned key_size_index,
+    const WebString& challenge,
+    const WebURL& url) {
+  std::string signed_public_key;
+  Send(new ViewHostMsg_Keygen(
+      routing_id_,
+      static_cast<uint32>(key_size_index),
+      challenge.utf8(),
+      GURL(url),
+      &signed_public_key));
+  return WebString::fromUTF8(signed_public_key);
+}
+
 // webkit_glue::WebPluginPageDelegate -----------------------------------------
 
 webkit::npapi::WebPluginDelegate* RenderView::CreatePluginDelegate(