Update missing plugin links.

Change-Id: I3f1d4a58d6f7e56f179e5869c130b94b5f572eab
diff --git a/dev/core/src/com/google/gwt/core/ext/linker/impl/devmode.js b/dev/core/src/com/google/gwt/core/ext/linker/impl/devmode.js
index 21f38c5..20b53f2 100644
--- a/dev/core/src/com/google/gwt/core/ext/linker/impl/devmode.js
+++ b/dev/core/src/com/google/gwt/core/ext/linker/impl/devmode.js
@@ -389,7 +389,7 @@
 
   var plugin = tryConnectingToPlugin(topWin.__gwt_SessionID, topWin.location.href);
   if (plugin == null) {
-    loadIframe("http://gwt.google.com/missing-plugin/");
+    loadIframe("http://www.gwtproject.org/missing-plugin/");
   } else {
     window.onUnload = disconnectPlugin();
   }
diff --git a/dev/core/src/com/google/gwt/core/ext/linker/impl/hosted.html b/dev/core/src/com/google/gwt/core/ext/linker/impl/hosted.html
index 48b87f3..3e545be 100644
--- a/dev/core/src/com/google/gwt/core/ext/linker/impl/hosted.html
+++ b/dev/core/src/com/google/gwt/core/ext/linker/impl/hosted.html
@@ -279,7 +279,7 @@
       } catch (e) {
       }
     }
-    loadIframe("http://gwt.google.com/missing-plugin");
+    loadIframe("http://www.gwtproject.org/missing-plugin/");
   } else {
     if (plugin.connect(url, topWin.__gwt_SessionID, $hosted, $moduleName,
         $hostedHtmlVersion)) {