Add a timeline view to about:net-internals.

chrome/browser/resources/net_internals/capture_view.js

 // Copyright (c) 2011 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.
 
 /**
  * This view displays controls for capturing network events.
  */
 var CaptureView = (function() {
   'use strict';
 
@@ skipping 18 matching lines @@
         $(CaptureView.PASSIVELY_CAPTURED_COUNT_ID);
     $(CaptureView.DELETE_ALL_ID).onclick =
         g_browser.sourceTracker.deleteAllSourceEntries.bind(
             g_browser.sourceTracker);
 
     $(CaptureView.TIP_ANCHOR_ID).onclick =
         this.toggleCommandLineTip_.bind(this, CaptureView.TIP_DIV_ID);
 
     this.updateEventCounts_();
 
-    g_browser.sourceTracker.addObserver(this);
+    g_browser.sourceTracker.addSourceEntryObserver(this);
   }
 
   // ID for special HTML element in category_tabs.html
   CaptureView.TAB_HANDLE_ID = 'tab-handle-capture';
 
   // IDs for special HTML elements in capture_view.html
   CaptureView.MAIN_BOX_ID = 'capture-view-tab-content';
   CaptureView.BYTE_LOGGING_CHECKBOX_ID = 'capture-view-byte-logging-checkbox';
   CaptureView.PASSIVELY_CAPTURED_COUNT_ID =
       'capture-view-passively-captured-count';
@@ skipping 68 matching lines @@
       if (byteLoggingCheckbox.checked) {
         g_browser.setLogLevel(LogLevelType.LOG_ALL);
       } else {
         g_browser.setLogLevel(LogLevelType.LOG_ALL_BUT_BYTES);
       }
     }
   };
 
   return CaptureView;
 })();