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

chrome/browser/resources/net_internals/browser_bridge.js

 // Copyright (c) 2012 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 // Populated by constants from the browser.  Used only by this file.
 var NetInfoSources = null;
 
 /**
  * This class provides a "bridge" for communicating between the javascript and
  * the browser.
@@ skipping 61 matching lines @@
         new PollableDataHelper('onPrerenderInfoChanged',
                                this.sendGetPrerenderInfo.bind(this));
     this.pollableDataHelpers_.extensionInfo =
         new PollableDataHelper('onExtensionInfoChanged',
                                this.sendGetExtensionInfo.bind(this));
     if (cr.isChromeOS) {
       this.pollableDataHelpers_.systemLog =
           new PollableDataHelper('onSystemLogChanged',
                                this.getSystemLog.bind(this, 'syslog'));
     }
+    this.pollableDataHelpers_.dataReductionProxyInfo =
+        new PollableDataHelper('onDataReductionProxyInfoChanged',
+                               this.sendGetDataReductionProxyInfo.bind(this));

[mmenke, 2014/12/05 16:18:25]

Could you move this just below "onExtensionInfoChanged" so we can sort things
consistently here, and in the three other points you modified.

I think the onSystemLogChanged stuff is broken, as there is currently no
"onSystemLogChanged".

[jeremyim, 2014/12/05 21:31:12]

Done.

 
     // Setting this to true will cause messages from the browser to be ignored,
     // and no messages will be sent to the browser, either.  Intended for use
     // when viewing log files.
     this.disabled_ = false;
 
     // Interval id returned by window.setInterval for polling timer.
     this.pollIntervalId_ = null;
   }
 
@@ skipping 138 matching lines @@
     },
 
     storeDebugLogs: function() {
       this.send('storeDebugLogs');
     },
 
     setNetworkDebugMode: function(subsystem) {
       this.send('setNetworkDebugMode', [subsystem]);
     },
 
+    sendGetDataReductionProxyInfo: function() {
+      this.send('getDataReductionProxyInfo');
+    },
+
+

[mmenke, 2014/12/05 16:18:25]

nit:  Remove extra blank line.

[jeremyim, 2014/12/05 21:31:12]

Done.

     //--------------------------------------------------------------------------
     // Messages received from the browser.
     //--------------------------------------------------------------------------
 
     receive: function(command, params) {
       // Does nothing if disabled.
       if (this.disabled_)
         return;
 
       // If no constants have been received, and params does not contain the
@@ skipping 101 matching lines @@
     },
 
     receivedExtensionInfo: function(extensionInfo) {
       this.pollableDataHelpers_.extensionInfo.update(extensionInfo);
     },
 
     getSystemLogCallback: function(systemLog) {
       this.pollableDataHelpers_.systemLog.update(systemLog);
     },
 
+    receivedDataReductionProxyInfo: function(dataReductionProxyInfo) {
+      this.pollableDataHelpers_.dataReductionProxyInfo.update(
+          dataReductionProxyInfo);
+    },
+
     //--------------------------------------------------------------------------
 
     /**
      * Prevents receiving/sending events to/from the browser.
      */
     disable: function() {
       this.disabled_ = true;
       this.setPollInterval(0);
     },
 
@@ skipping 169 matching lines @@
      * The observer will be called back with:
      *
      *   observer.onHttpCacheInfoChanged(info);
      */
     addHttpCacheInfoObserver: function(observer, ignoreWhenUnchanged) {
       this.pollableDataHelpers_.httpCacheInfo.addObserver(
           observer, ignoreWhenUnchanged);
     },
 
     /**
+     * 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 for the results of HSTS (HTTPS Strict Transport Security)
      * queries. The observer will be called back with:
      *
      *   observer.onHSTSQueryResult(result);
      */
     addHSTSObserver: function(observer) {
       this.hstsObservers_.push(observer);
     },
 
     /**
@@ skipping 243 matching lines @@
       helper.removeObserver(this);
       --this.observingCount_;
       this.updatedData_[name] = data;
       if (this.observingCount_ == 0)
         this.callback_(this.updatedData_);
     }
   };
 
   return BrowserBridge;
 })();