Added functionality to chrome://net-internals/#chromeos page that user

chrome/browser/resources/net_internals/chromeos_view.js

Index: chrome/browser/resources/net_internals/chromeos_view.js
diff --git a/chrome/browser/resources/net_internals/chromeos_view.js b/chrome/browser/resources/net_internals/chromeos_view.js
index fea3e3688c7fbafc6ea67d78742099bc3271154e..1ee5e1c0916110c0c2270ace3981a1edb911b3b1 100644
--- a/chrome/browser/resources/net_internals/chromeos_view.js
+++ b/chrome/browser/resources/net_internals/chromeos_view.js
@@ -110,6 +110,15 @@ var CrosView = (function() {
   }
 
   /**
+   *  Set status for current debug mode.
+   *
+   *  @private
+   */
+  function setNetworkDebugModeStatus_(status) {
+    $(CrosView.DEBUG_STATUS_ID).innerText = status;
+  }
+
+  /**
    *  An event listener for the file selection field.
    *
    *  @private
@@ -125,7 +134,8 @@ var CrosView = (function() {
   }
 
   /**
-   *  Add event listeners for the file selection and passcode input fields.
+   *  Add event listeners for the file selection, passcode input
+   *  fields and for buttons for debug mode selection.
    *
    *  @private
    */
@@ -137,6 +147,19 @@ var CrosView = (function() {
     $(CrosView.PASSCODE_INPUT_ID).addEventListener('change', function(event) {
       setPasscode_(this.value);
     }, false);
+
+    $(CrosView.DEBUG_WIFI_ID).addEventListener('click', function(event) {
+        setNetworkDebugMode_('wifi');
+    }, false);
+    $(CrosView.DEBUG_ETHERNET_ID).addEventListener('click', function(event) {
+        setNetworkDebugMode_('ethernet');
+    }, false);
+    $(CrosView.DEBUG_CELLULAR_ID).addEventListener('click', function(event) {
+        setNetworkDebugMode_('cellular');
+    }, false);
+    $(CrosView.DEBUG_NONE_ID).addEventListener('click', function(event) {
+        setNetworkDebugMode_('none');
+    }, false);
   }
 
   /**
@@ -151,6 +174,16 @@ var CrosView = (function() {
   }
 
   /**
+   *  Enables or disables debug mode for a specified subsystem.
+   *
+   *  @private
+   */
+  function setNetworkDebugMode_(subsystem) {
+    $(CrosView.DEBUG_STATUS_ID).innerText = '';
+    g_browser.setNetworkDebugMode(subsystem);
+  }
+
+  /**
    *  @constructor
    *  @extends {DivView}
    */
@@ -161,6 +194,7 @@ var CrosView = (function() {
     DivView.call(this, CrosView.MAIN_BOX_ID);
 
     g_browser.addCrosONCFileParseObserver(this);
+    g_browser.addSetNetworkDebugModeObserver(this);
     addEventListeners_();
   }
 
@@ -173,6 +207,11 @@ var CrosView = (function() {
   CrosView.PASSCODE_ID = 'chromeos-view-password-div';
   CrosView.PASSCODE_INPUT_ID = 'chromeos-view-onc-password';
   CrosView.PARSE_STATUS_ID = 'chromeos-view-parse-status';
+  CrosView.DEBUG_WIFI_ID = 'chromeos-view-network-debugging-wifi';
+  CrosView.DEBUG_ETHERNET_ID = 'chromeos-view-network-debugging-ethernet';
+  CrosView.DEBUG_CELLULAR_ID = 'chromeos-view-network-debugging-cellular';
+  CrosView.DEBUG_NONE_ID = 'chromeos-view-network-debugging-none';
+  CrosView.DEBUG_STATUS_ID = 'chromeos-view-network-debugging-status';
 
   cr.addSingletonGetter(CrosView);
 
@@ -181,6 +220,7 @@ var CrosView = (function() {
     __proto__: DivView.prototype,
 
     onONCFileParse: setParseStatus_,
+    onSetNetworkDebugMode: setNetworkDebugModeStatus_,
   };
 
   return CrosView;