Hook up http preferences to pref_debug window

xpfe/components/prefwindow/resources/content/pref-debug.xul

@@ -76,6 +76,20 @@
     <checkbox id="browserEnableDiskCache" value="&debugEnableDiskCache.label;"
               pref="true" preftype="bool" prefstring="browser.cache.disk.enable"
               prefattribute="checked"/>
+    <checkbox id="browserEnableKeepAlive" value="&debugEnableKeepAlive.label;"
+              pref="true" preftype="bool" prefstring="network.http.keep-alive"
+              prefattribute="checked"/>
+    <checkbox id="browserEnablePipelining" value="&debugEnablePipelining.label;"
+              pref="true" preftype="bool" prefstring="network.http.pipelining"
+              prefattribute="checked"/>
+    <text class="label" value="&httpVersion.label;"  for="httpVersionString"/>
+    <textfield id="httpVersionString" wsm_persist="true"  maxlength="3" flex="0"
+              pref="true" preftype="string" prefstring="network.http.version"
+              prefattribute="value"/> 
+    <text class="label" value="&acceptEncoding.label;" for="acceptEncodingString"/>
+    <textfield id="acceptEncodingString" flex="1" wsm_persist="true"
+              pref="true" preftype="string" prefstring="network.http.accept-encoding"
+              prefattribute="value"/> 
     <checkbox id="nglayoutDebugEnableXPCOMRefcntLog" value="&debugEnableXPCOMRefcntLog.label;"
               pref="true" preftype="bool" prefstring="nglayout.debug.enable_xpcom_refcnt_log"
               prefattribute="checked"/>

xpfe/components/prefwindow/resources/locale/en-US/pref-debug.dtd

@@ -25,6 +25,10 @@
 <!-- Miscelleneous -->
 <!ENTITY debugMiscellaneous.label   "Miscellaneous">
 <!ENTITY debugDisableXULCache.label "Disable XUL Cache">
+<!ENTITY debugEnableKeepAlive.label "Enable Keep Alive">
+<!ENTITY debugEnablePipelining.label "Enable HTTP Pipelining">
+<!ENTITY acceptEncoding.label "Accept-Encoding">
+<!ENTITY httpVersion.label "HTTP Version">
 <!ENTITY debugEnableMemCache.label "Enable Mem Cache">
 <!ENTITY debugEnableDiskCache.label "Enable Disk Cache">
 <!ENTITY debugEnableXPCOMRefcntLog.label "Enable XPCOM Refcount Log">