Add data reduction proxy debug info to net-internals#bandwidth

chrome/browser/resources/net_internals/browser_bridge.js

Index: chrome/browser/resources/net_internals/browser_bridge.js
diff --git a/chrome/browser/resources/net_internals/browser_bridge.js b/chrome/browser/resources/net_internals/browser_bridge.js
index 8a90b98cf55839fc6962e442b5af469f09d10451..443b766a9597a0cec145bf495824e823724de5f5 100644
--- a/chrome/browser/resources/net_internals/browser_bridge.js
+++ b/chrome/browser/resources/net_internals/browser_bridge.js
@@ -74,6 +74,9 @@ var BrowserBridge = (function() {
     this.pollableDataHelpers_.extensionInfo =
         new PollableDataHelper('onExtensionInfoChanged',
                                this.sendGetExtensionInfo.bind(this));
+    this.pollableDataHelpers_.dataReductionProxyInfo =
+        new PollableDataHelper('onDataReductionProxyInfoChanged',
+                               this.sendGetDataReductionProxyInfo.bind(this));
     if (cr.isChromeOS) {
       this.pollableDataHelpers_.systemLog =
           new PollableDataHelper('onSystemLogChanged',
@@ -209,6 +212,10 @@ var BrowserBridge = (function() {
       this.send('getExtensionInfo');
     },
 
+    sendGetDataReductionProxyInfo: function() {
+      this.send('getDataReductionProxyInfo');
+    },
+
     enableIPv6: function() {
       this.send('enableIPv6');
     },
@@ -354,6 +361,11 @@ var BrowserBridge = (function() {
       this.pollableDataHelpers_.extensionInfo.update(extensionInfo);
     },
 
+    receivedDataReductionProxyInfo: function(dataReductionProxyInfo) {
+      this.pollableDataHelpers_.dataReductionProxyInfo.update(
+          dataReductionProxyInfo);
+    },
+
     getSystemLogCallback: function(systemLog) {
       this.pollableDataHelpers_.systemLog.update(systemLog);
     },
@@ -619,6 +631,17 @@ var BrowserBridge = (function() {
     },
 
     /**
+     * Adds a listener of the data reduction proxy info. |observer| will be
+     * called back when data is received, through:
+     *
+     *   observer.onDataReductionProxyInfoChanged(dataReductionProxyInfo)
+     */
+    addDataReductionProxyInfoObserver: function(observer, ignoreWhenUnchanged) {
+      this.pollableDataHelpers_.dataReductionProxyInfo.addObserver(
+          observer, ignoreWhenUnchanged);
+    },
+
+    /**
      * Adds a listener of system log information. |observer| will be called
      * back when data is received, through:
      *