#80511, #68941. Make the initial 3pane and browser window's window size somewhat decent, so low-res users don't get them offscreen at startup. r=danm, sr=alecf, a=dbaron.

profile/defaults/localstore.rdf

@@ -32,10 +32,10 @@
     <NC:persist resource="chrome://messenger/content/messenger.xul#sidebar-panels-splitter-box"/>
   </RDF:Description>
   <RDF:Description about="chrome://messenger/content/messenger.xul#messengerWindow">
-    <screenX>0</screenX>
-    <screenY>191</screenY>
-    <width>750</width>
-    <height>500</height>
+    <screenX>4</screenX>
+    <screenY>4</screenY>
+    <width>632</width>
+    <height>450</height>
   </RDF:Description>
   <RDF:Description about="chrome://messenger/content/messenger.xul#sidebar-panels">
     <last-selected-panel>urn:sidebar:panel:bookmarks</last-selected-panel>
@@ -63,10 +63,10 @@
     <NC:persist resource="chrome://navigator/content/navigator.xul#sidebar-panels"/>
   </RDF:Description>
  <RDF:Description about="chrome://navigator/content/navigator.xul#main-window">
-    <width>640</width>
-    <height>480</height>
-    <screenX>212</screenX>
-    <screenY>43</screenY>
+    <width>610</width>
+    <height>450</height>
+    <screenX>4</screenX>
+    <screenY>4</screenY>
   </RDF:Description>
 
   <RDF:Description about="chrome://messenger/content/mail3PaneWindowVertLayout.xul#flaggedCol">