Accounting for changes made in the ChromeOS Frontend

In order to fully make the landing widget configurable, some minor
changes have to be made in the backend so that the overall changes
aren't overwhelming.

Change-Id: I4a9ddcb1338433827d1ee9175b269fa1c86e3679
Reviewed-on: https://cos-review.googlesource.com/c/cos/tools/+/35024
Reviewed-by: Arnav Kansal <rnv@google.com>
Cloud-Build: GCB Service account <228075978874@cloudbuild.gserviceaccount.com>
Tested-by: Emmanuel Ketsri <emmank@google.com>
diff --git a/src/cmd/changelog-webapp/controllers/pageHandlers.go b/src/cmd/changelog-webapp/controllers/pageHandlers.go
index d848740..8b72026 100644
--- a/src/cmd/changelog-webapp/controllers/pageHandlers.go
+++ b/src/cmd/changelog-webapp/controllers/pageHandlers.go
@@ -437,7 +437,7 @@
 		return
 	}
 	internal, gerrit, fallbackGerrit, gob, repo := false, externalGerritInstance, externalFallbackGerritInstance, externalGoBInstance, externalManifestRepo
-	if r.FormValue("internal") == "true" {
+	if r.FormValue("cos-internal") == "true" {
 		internal, gerrit, fallbackGerrit, gob, repo = true, internalGerritInstance, internalFallbackGerritInstance, internalGoBInstance, internalManifestRepo
 	}
 	httpClient, err := HTTPClient(w, r)
diff --git a/src/cmd/changelog-webapp/static/templates/findBuild.html b/src/cmd/changelog-webapp/static/templates/findBuild.html
index 9b66fec..32dd719 100644
--- a/src/cmd/changelog-webapp/static/templates/findBuild.html
+++ b/src/cmd/changelog-webapp/static/templates/findBuild.html
@@ -46,20 +46,20 @@
       <div class="radio">
         {{if .Internal}}
           <label>
-            <input type="radio" class="internal" name="internal" value="true" checked>
+            <input type="radio" class="internal" name="instance" value="cos-internal" checked>
             Internal
           </label>
           <label>
-            <input type="radio" class="external" name="internal" value="false">
+            <input type="radio" class="external" name="instance" value="cos">
             External
           </label>
         {{else}}
           <label>
-            <input type="radio" class="internal" name="internal" value="true">
+            <input type="radio" class="internal" name="instance" value="cos-internal">
             Internal
           </label>
           <label>
-            <input type="radio" class="external" name="internal" value="false" checked>
+            <input type="radio" class="external" name="instance" value="cos" checked>
             External
           </label>
         {{end}}