Bug 1372614 - Remove HTTP Pipelining preferences UI after bug 1340655 removed support for it. r=frg

suite/common/pref/pref-http.js

@@ -7,27 +7,9 @@ var gLightningUAold;
 
 function Startup()
 {
-  CheckPipelining();
-  CheckPipeliningProxy();
   CheckLightningUA();
 }
 
-function CheckPipelining()
-{
-  var prefHTTPVersion = document.getElementById("network.http.version");
-
-  var enabled = prefHTTPVersion.value == "1.1";
-  EnableElementById("enablePipelining", enabled, false);
-}
-
-function CheckPipeliningProxy()
-{
-  var prefHTTPVersion = document.getElementById("network.http.proxy.version");
-
-  var enabled = prefHTTPVersion.value == "1.1";
-  EnableElementById("enablePipeliningProxy", enabled, false);
-}
-
 // Lightning adds a UA token if calendar.useragent.extra is not empty.
 // Checkbox is visible if Lightning is installed and enabled.
 // Checkbox is checked if the pref contains any non-whitespace character.

suite/common/pref/pref-http.xul

@@ -12,18 +12,10 @@
     <preferences>
       <preference id="network.http.version"
                   name="network.http.version"
-                  type="string"
-                  onchange="CheckPipelining();"/>
-      <preference id="network.http.pipelining"
-                  name="network.http.pipelining"
-                  type="bool"/>
+                  type="string"/>
       <preference id="network.http.proxy.version"
                   name="network.http.proxy.version"
-                  type="string"
-                  onchange="CheckPipeliningProxy();"/>
-      <preference id="network.http.proxy.pipelining"
-                  name="network.http.proxy.pipelining"
-                  type="bool"/>
+                  type="string"/>
       <preference id="general.useragent.compatMode.firefox"
                   name="general.useragent.compatMode.firefox"
                   type="bool"/>
@@ -47,13 +39,6 @@
                    label="&prefEnableHTTP11.label;"
                    accesskey="&prefEnableHTTP11.accesskey;"/>
           </radiogroup>
-
-          <separator class="thin"/>
-
-          <checkbox id="enablePipelining"
-                    label="&prefEnablePipelining.label;"
-                    accesskey="&prefEnablePipelining.accesskey;"
-                    preference="network.http.pipelining"/>
         </vbox>
       </groupbox>
 
@@ -69,19 +54,10 @@
                    label="&prefEnableHTTP11.label;"
                    accesskey="&prefEnableHTTP11Proxy.accesskey;"/>
           </radiogroup>
-
-          <separator class="thin"/>
-
-          <checkbox id="enablePipeliningProxy"
-                    label="&prefEnablePipelining.label;"
-                    accesskey="&prefEnablePipeliningProxy.accesskey;"
-                    preference="network.http.proxy.pipelining"/>
         </vbox>
       </groupbox>
     </hbox>
 
-    <description>&prefPipeWarning;</description>
-
     <separator class="thin"/>
 
     <groupbox>

suite/locales/en-US/chrome/common/help/cs_nav_prefs_advanced.xhtml

@@ -486,18 +486,12 @@
     Choose the HTTP version and options for direct and proxy connections.
     <ul>
       <li><strong>Use HTTP 1.0</strong>: Choose this to use the original
-        version of HTTP, standardized in 1996.</li>
-      <li><strong>Use HTTP 1.1</strong>: Choose this to use the new version of
-        HTTP, which offers performance enhancements, including more efficient
-        use of HTTP connections, better support for client-side caching,
-        multiple HTTP requests (pipelining), and more refined control over
-        cache expiration and replacement policies.</li>
-      <li><strong>Enable Pipelining</strong>: Select this to
-        enable pipelining, which allows for more than one HTTP request to be
-        sent to the server at once, reducing delays loading web pages.
-
-        <p><strong>Note</strong>: Pipelining is only available with 
-          HTTP 1.1.</p></li>
+        version of HTTP, standardized in 1996. This setting is mostly intended
+        for compatibility reasons with proxy or older web servers.</li>
+      <li><strong>Use HTTP 1.1</strong>: Choose this to use the current version
+        of HTTP, which offers performance enhancements, including more efficient
+        use of HTTP connections, better support for client-side caching, and
+        more refined control over cache expiration and replacement policies.</li>
     </ul>
   </li>
   <li><strong>User Agent String</strong>:

suite/locales/en-US/chrome/common/pref/pref-http.dtd

@@ -13,11 +13,7 @@
 <!ENTITY prefEnableHTTP11.label              "Use HTTP 1.1">
 <!ENTITY prefEnableHTTP11.accesskey          "E">
 <!ENTITY prefEnableHTTP11Proxy.accesskey     "T">
-<!ENTITY prefEnablePipelining.label          "Enable Pipelining">
-<!ENTITY prefEnablePipelining.accesskey      "P">
-<!ENTITY prefEnablePipeliningProxy.accesskey "N">
 <!ENTITY prefPara                            "HTTP connections may be fine-tuned using these options to enhance either performance or compatibility. Some proxy servers, for example, are known to require HTTP/1.0 (see the release notes for details).">
-<!ENTITY prefPipeWarning                     "WARNING: pipelining is an experimental feature, designed to improve page-load performance, that is unfortunately not well supported by some web servers and proxies.">
 <!ENTITY prefUseragent.label                 "User Agent String">
 <!ENTITY prefFirefoxCompat.label             "Advertise Firefox compatibility">
 <!ENTITY prefFirefoxCompat.accesskey         "F">