dev-eclipse.txt: Amend the section on hosted mode debugging

The existing section on hosted mode debugging left out a couple of
steps, and the requirement to use DEVELOPMENT_BECOME_ANY_ACCOUNT
instead of OpenID is not mentioned anywhere.

Change-Id: Iebf7f79f9111c5d2201ecabbc49aed5f0129b690
diff --git a/Documentation/dev-eclipse.txt b/Documentation/dev-eclipse.txt
index ca56da3..a19d85e 100644
--- a/Documentation/dev-eclipse.txt
+++ b/Documentation/dev-eclipse.txt
@@ -73,9 +73,15 @@
 Running Hosted Mode
 ~~~~~~~~~~~~~~~~~~~
 
-Import the gerrit-gwtdebug project:
+To debug the GWT code executing in the web browser, three additional Git
+repositories need to be cloned.
 
-* Import gerrit-gwtdebug/pom.xml using General -> Maven Projects
+* https://gerrit.googlesource.com/gwtexpui
+* https://gerrit.googlesource.com/gwtjsonrpc
+* https://gerrit.googlesource.com/gwtorm
+
+In Eclipse, import the pom.xml file in the root directory of each of
+these cloned gits via General -> Maven Projects.
 
 Duplicate the existing `gwtui_dbg` launch configuration:
 
@@ -97,12 +103,17 @@
 Known problems
 --------------
 
-When running Gerrit under the Eclipse debugger, code that attempts
+* When running Gerrit under the Eclipse debugger, code that attempts
 to load Prolog code may erroneously raise ClassNotFoundException,
 claiming that classes in the `Gerrit` package can't be found. The
 error can often be resolved by rebuilding Gerrit with `mvn package`
 and restarting the debug session.
 
+* OpenID authentication won't work in hosted mode, so you need to change
+the link:config-gerrit.html#auth.type[auth.type] configuration parameter
+to `DEVELOPMENT_BECOME_ANY_ACCOUNT` to disable OpenID and allow you to
+impersonate whatever account you otherwise would've used.
+
 
 GERRIT
 ------