From 8f1d6ed17e87e2ff22f19583df98da942ba069f2 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?D=C3=A3o=20Gottwald?= <dao@mozilla.com>
Date: Wed, 22 Feb 2012 14:02:57 +0100
Subject: [PATCH] Backed out changeset 599a1a0c5fbe

---
 toolkit/components/telemetry/TelemetryPing.js | 34 ++-----------------
 .../tests/unit/test_TelemetryPing.js          | 27 ++-------------
 2 files changed, 5 insertions(+), 56 deletions(-)

diff --git a/toolkit/components/telemetry/TelemetryPing.js b/toolkit/components/telemetry/TelemetryPing.js
index d336e5195d3..3a9efdb6156 100644
--- a/toolkit/components/telemetry/TelemetryPing.js
+++ b/toolkit/components/telemetry/TelemetryPing.js
@@ -468,7 +468,7 @@ TelemetryPing.prototype = {
     request.mozBackgroundRequest = true;
     request.open("POST", url, true);
     request.overrideMimeType("text/plain");
-    request.setRequestHeader("Content-Type", "application/json; charset=UTF-8");
+    request.setRequestHeader("Content-Type", "application/json");
 
     let startTime = new Date();
 
@@ -486,37 +486,9 @@ TelemetryPing.prototype = {
     request.addEventListener("error", function(aEvent) finishRequest(request.channel), false);
     request.addEventListener("load", function(aEvent) finishRequest(request.channel), false);
 
-    request.setRequestHeader("Content-Encoding", "gzip");
-    let payloadStream = Cc["@mozilla.org/io/string-input-stream;1"]
-                        .createInstance(Ci.nsIStringInputStream);
-    payloadStream.data = this.gzipCompressString(data.payload);
-    request.send(payloadStream);
+    request.send(data.payload);
   },
-
-  gzipCompressString: function gzipCompressString(string) {
-    let observer = {
-      buffer: "",
-      onStreamComplete: function(loader, context, status, length, result) {
-	this.buffer = String.fromCharCode.apply(this, result);
-      }
-    };
-
-    let scs = Cc["@mozilla.org/streamConverters;1"]
-              .getService(Ci.nsIStreamConverterService);
-    let listener = Cc["@mozilla.org/network/stream-loader;1"]
-                  .createInstance(Ci.nsIStreamLoader);
-    listener.init(observer);
-    let converter = scs.asyncConvertData("uncompressed", "gzip",
-                                         listener, null);
-    let stringStream = Cc["@mozilla.org/io/string-input-stream;1"]
-                       .createInstance(Ci.nsIStringInputStream);
-    stringStream.data = string;
-    converter.onStartRequest(null, null);
-    converter.onDataAvailable(null, null, stringStream, 0, string.length);
-    converter.onStopRequest(null, null, null);
-    return observer.buffer;
-  },
-
+  
   attachObservers: function attachObservers() {
     if (!this._initialized)
       return;
diff --git a/toolkit/components/telemetry/tests/unit/test_TelemetryPing.js b/toolkit/components/telemetry/tests/unit/test_TelemetryPing.js
index 5e2c5f6d055..f85a8609996 100644
--- a/toolkit/components/telemetry/tests/unit/test_TelemetryPing.js
+++ b/toolkit/components/telemetry/tests/unit/test_TelemetryPing.js
@@ -57,31 +57,8 @@ function checkHistograms(request, response) {
   // do not need the http server anymore
   httpserver.stop(do_test_finished);
   let s = request.bodyInputStream;
-  let payload = null;
-  let decoder = Cc["@mozilla.org/dom/json;1"].createInstance(Ci.nsIJSON)
-
-  if (request.getHeader("content-encoding") == "gzip") {
-    let observer = {
-      buffer: "",
-      onStreamComplete: function(loader, context, status, length, result) {
-	this.buffer = String.fromCharCode.apply(this, result);
-      }
-    };
-
-    let scs = Cc["@mozilla.org/streamConverters;1"]
-              .getService(Ci.nsIStreamConverterService);
-    let listener = Cc["@mozilla.org/network/stream-loader;1"]
-                  .createInstance(Ci.nsIStreamLoader);
-    listener.init(observer);
-    let converter = scs.asyncConvertData("gzip", "uncompressed",
-                                         listener, null);
-    converter.onStartRequest(null, null);
-    converter.onDataAvailable(null, null, s, 0, s.available());
-    converter.onStopRequest(null, null, null);
-    payload = decoder.decode(observer.buffer);
-  } else {
-    payload = decoder.decodeFromStream(s, s.available());
-  }
+  let payload = Cc["@mozilla.org/dom/json;1"].createInstance(Ci.nsIJSON)
+                                             .decodeFromStream(s, s.available());
 
   do_check_eq(request.getHeader("content-type"), "application/json; charset=UTF-8");
   do_check_true(payload.simpleMeasurements.uptime >= 0);