Delete benchmarking extension, remove API's ability to enable/disable SPDY

chrome/common/extensions/docs/examples/extensions/benchmark/background.js

Index: chrome/common/extensions/docs/examples/extensions/benchmark/background.js
diff --git a/chrome/common/extensions/docs/examples/extensions/benchmark/background.js b/chrome/common/extensions/docs/examples/extensions/benchmark/background.js
deleted file mode 100644
index 88c3c9cca6e100793e2d30f5af897139c310e574..0000000000000000000000000000000000000000
--- a/chrome/common/extensions/docs/examples/extensions/benchmark/background.js
+++ /dev/null
@@ -1,492 +0,0 @@
-// 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.
-
-// Round a number to the 1's place.
-function formatNumber(str) {
-  str += '';
-  if (str == '0') {
-    return 'N/A ';
-  }
-  var x = str.split('.');
-  var x1 = x[0];
-  var x2 = x.length > 1 ? '.' + x[1] : '';
-  var regex = /(\d+)(\d{3})/;
-  while (regex.test(x1)) {
-    x1 = x1.replace(regex, '$1' + ',' + '$2');
-  }
-  return x1;
-}
-
-// Configuration and results are stored globally.
-window.iterations = 10;
-window.interval = 200;
-window.clearConnections = true;
-window.clearCache = true;
-window.enableSpdy = false;
-window.results = {};
-window.results.data = new Array();
-window.testUrl = "http://www.google.com/";
-window.windowId = 0;
-
-// Constant StatCounter Names
-var kTCPReadBytes = "tcp.read_bytes";
-var kTCPWriteBytes = "tcp.write_bytes";
-var kRequestCount = "HttpNetworkTransaction.Count";
-var kConnectCount = "tcp.connect";
-var kSpdySessionCount = "spdy.sessions";
-
-// The list of currently running benchmarks
-var benchmarks = new Array();
-var benchmarkIndex = 0;
-var benchmarkWindow = 0;
-
-function addBenchmark(benchmark) {
-  benchmarks.push(benchmark);
-  benchmarkIndex = 0;  // Reset the counter when adding benchmarks.
-}
-
-// Array Remove - By John Resig (MIT Licensed)
-Array.prototype.remove = function(from, to) {
-  var rest = this.slice((to || from) + 1 || this.length);
-  this.length = from < 0 ? this.length + from : from;
-  return this.push.apply(this, rest);
-};
-
-function removeBenchmark(benchmark) {
-  var index;
-  for (var index = 0; index < benchmarks.length; ++index) {
-    if (benchmarks[index] == benchmark) {
-      break;
-    }
-  }
-  benchmarks.remove(index);
-
-  // Preserve index ordering when removing from the list.
-  if (index <= benchmarkIndex) {
-    benchmarkIndex--;  // Note:  it is okay to drop to -1 here.
-  }
-}
-
-function benchmarkStillRunning() {
-  for (var index = 0; index < benchmarks.length; ++index) {
-    if (benchmarks[index].isRunning()) {
-      return true;
-    }
-  }
-  return false;
-}
-
-function findBenchmark(url) {
-  for (var index = 0; index < benchmarks.length; ++index) {
-    // One common redirection case: if the url ends without a slash and refers
-    // to a directory, it actually would be redirected to the correct one
-    // (with a slash). In this case, the url returned by the JS and the one
-    // stored locally do not match.
-    if ((benchmarks[index].url() == url) ||
-        (benchmarks[index].url() + '/' == url)) {
-      return benchmarks[index];
-    }
-  }
-  return undefined;
-}
-
-function nextBenchmark() {
-  benchmarkIndex = (benchmarkIndex + 1) % benchmarks.length;
-  return benchmarks[benchmarkIndex];
-}
-
-function show_options(tabs) {
-  var tab = tabs[0];
-  if (window.testUrl == "") {
-    window.testUrl = tab.url;
-  }
-  var tabs = chrome.extension.getViews({"type": "tab"});
-  if (tabs && tabs.length) {
-    // To avoid "Uncaught TypeError: Object Window has no method
-    // 'setUrl' ". Sometimes tabs are not the desired extension tabs.
-    if (tabs[0].$suburl != undefined) {
-      tabs[0].setUrl(testUrl);
-    }
-    var optionsUrl = chrome.extension.getURL("options.html");
-    chrome.tabs.getAllInWindow(null, function(all) {
-      for (var i = 0; i < all.length; i++) {
-        if (all[i].url == optionsUrl) {
-          chrome.tabs.update(all[i].id, {selected: true});
-          return;
-        }
-      }
-    });
-  } else {
-    chrome.tabs.create({"url":"options.html"});
-  }
-}
-
-chrome.browserAction.onClicked.addListener(show_options);
-
-function Benchmark() {
-  var runCount_ = 0;
-  var count_;
-  var totalTime_;
-  var me_ = this;
-  var current_;
-  var initialRequestCount_;
-  var initialReadBytes_;
-  var initialWriteBytes_;
-
-  // Start a test run
-  this.start = function(url) {
-    // Check if a run is already in progress.
-    if (me_.isRunning()) {
-      return;
-    }
-
-    console.log("Benchmark testing url: " + url);
-
-    // Add this benchmark to the list of benchmarks running.
-    addBenchmark(this);
-
-    runCount_ = window.iterations;
-    count_ = 0;
-    totalTime_ = 0;
-
-    current_ = {};
-    current_.url = url;
-    current_.timestamp = new Date();
-    current_.viaSpdy = false;
-    current_.startLoadResults = new Array();  // times to start
-    current_.commitLoadResults = new Array();  // times to commit
-    current_.docLoadResults = new Array();  // times to docload
-    current_.paintResults = new Array();    // times to paint
-    current_.totalResults = new Array();    // times to complete load
-    current_.KbytesRead = new Array();
-    current_.KbytesWritten = new Array();
-    current_.readbpsResults = new Array();
-    current_.writebpsResults = new Array();
-    current_.totalTime = 0;
-    current_.iterations = 0;
-    current_.requests = new Array();
-    current_.connects = new Array();
-    current_.spdySessions = new Array();
-    current_.domNum = 0;
-    current_.maxDepth = 0;
-    current_.minDepth = 0;
-    current_.avgDepth = 0;
-  };
-
-  // Is the benchmark currently in progress.
-  this.isRunning = function() {
-    return runCount_ > 0;
-  };
-
-  // The url which this benchmark is running.
-  this.url = function() { return current_.url; }
-
-  // Called when the test run completes.
-  this.finish = function() {
-    removeBenchmark(this);
-
-    // If we're the last benchmark, close the window.
-    if (benchmarks.length == 0) {
-      chrome.tabs.remove(benchmarkWindow.id);
-      benchmarkWindow = 0;
-      chrome.tabs.query({active: true, currentWindow: true}, show_options);
-    }
-  };
-
-  // Update the UI after a test run.
-  this.displayResults = function() {
-    var score = 0;
-    if (count_ > 0) {
-      score = totalTime_ / count_;
-      var text = score.toFixed(1) + "ms avg";
-      chrome.browserAction.setTitle({"title": text});
-    }
-    if (runCount_) {
-      chrome.browserAction.setBadgeText({"text": "" + runCount_});
-      chrome.browserAction.setBadgeBackgroundColor({"color": [255, 0, 0, 255]});
-    } else {
-      chrome.browserAction.setBadgeText({"text": "" + score.toFixed()});
-      chrome.browserAction.setBadgeBackgroundColor({"color": [0, 255, 0, 255]});
-    }
-
-    // Reload the page after each run to show immediate results.
-    var tabs = chrome.extension.getViews({"type": "tab"});
-    if (tabs && tabs.length) {
-      tabs[0].location.reload(true);
-    }
-  };
-
-  // Called before starting a page load.
-  this.pageStart = function() {
-    initialReadBytes_ = chrome.benchmarking.counter(kTCPReadBytes);
-    initialWriteBytes_ = chrome.benchmarking.counter(kTCPWriteBytes);
-    initialRequestCount_ = chrome.benchmarking.counter(kRequestCount);
-    initialConnectCount_ = chrome.benchmarking.counter(kConnectCount);
-    initialSpdySessionCount_ = chrome.benchmarking.counter(kSpdySessionCount);
-  };
-
-  this.openNextPage = function() {
-    var benchmark = nextBenchmark();
-    benchmark.pageStart();
-    chrome.tabs.create({"url": benchmark.url(),"selected": true},
-                       function(tab) {
-                         benchmarkWindow = tab;
-                         // script.js only executes on tested pages
-                         // not the ones opened by the user.
-                         chrome.tabs.executeScript(tab.id, {file: "script.js"});
-                        });
-  };
-
-  this.prepareToOpenPage = function() {
-    // After the previous page is closed, this function will apply
-    // any settings needed to prepare for opening a new page.
-    // Note: the previous page must be closed, otherwie, the cache
-    // clearing and connection clearing may not be thorough.
-
-    if (window.clearCache) {
-      chrome.benchmarking.clearCache();
-    }
-
-    if (window.clearConnections) {
-      chrome.benchmarking.closeConnections();
-    }
-
-    if (window.enableSpdy) {
-      chrome.benchmarking.enableSpdy(true);
-    } else {
-      chrome.benchmarking.enableSpdy(false);
-    }
-
-    // Go back to the browser so that tasks can run.
-    setTimeout(me_.openNextPage, window.interval);
-  };
-
-  this.closePage = function() {
-    chrome.tabs.remove(benchmarkWindow.id, function() {
-      me_.prepareToOpenPage();
-    });
-  };
-
-  // Run a single page in the benchmark
-  this.runPage = function() {
-    if (benchmarkWindow) {
-      // To avoid the error "Error during tabs.remove: No tab with id xx"
-      // while debugging, due to user manually closing the benchmark tab.
-      chrome.tabs.getAllInWindow(null, function(all) {
-        for (var i = 0; i < all.length; i++) {
-          if (all[i].id == benchmarkWindow.id) {
-            me_.closePage();
-             return;
-          };
-        };
-        me_.prepareToOpenPage();
-      });
-    } else {
-      me_.prepareToOpenPage();
-    }
-  };
-
-  // Called when a page finishes loading.
-  this.pageFinished = function(load_times, domNum, depths) {
-
-     // Make sure the content can be fetched via spdy if it is enabled.
-    if (window.enableSpdy && !load_times.wasFetchedViaSpdy) {
-      alert("Can not fetch current url via spdy.\n" +
-            "Ending current test.");
-      me_.finish();
-      // Move on to next benchmarked pages.
-      if (benchmarks.length > 0) {
-        if (window.clearConnections) {
-          chrome.benchmarking.closeConnections();
-        }
-        setTimeout(me_.runPage, 100);
-      }
-      return;
-    }
-
-    // If last fetch was via spdy, current fetch should use spdy too. Same
-    // for vise versa.
-    if (current_.iterations > 0 &&
-        current_.viaSpdy != load_times.wasFetchedViaSpdy) {
-      alert("Error: viaSpdy for current fetch is different from last fetch!\n" +
-            "Ending current test.");
-      // Current data set is invalid: remove from the result array.
-      var currIndex;
-      currIndex = window.results.data.indexOf(current_, 0);
-      window.results.data.splice(currIndex, 1);
-      me_.displayResults();
-      me_.finish();
-      if (benchmarks.length > 0) {
-        if (window.clearConnections) {
-          chrome.benchmarking.closeConnections();
-        }
-        setTimeout(me_.runPage, 100);
-      }
-      return;
-    }
-
-    var requested = load_times.requestTime;
-    var started = load_times.startLoadTime;
-    var startLoadTime =
-        Math.round((load_times.startLoadTime - requested) * 1000.0);
-    var commitLoadTime =
-        Math.round((load_times.commitLoadTime - started) * 1000.0);
-    var docLoadTime =
-        Math.round((load_times.finishDocumentLoadTime - started) * 1000.0);
-    var paintTime =
-        Math.round((load_times.firstPaintTime - started) * 1000.0);
-    var totalTime =
-        Math.round((load_times.finishLoadTime - started) * 1000.0);
-    var firstPaintAfterLoadTime =
-        Math.round((load_times.firstPaintAfterLoadTime - started) * 1000.0);
-
-    if (paintTime < 0) {
-      // If the user navigates away from the test while it is running,
-      // paint may not occur.  Also, some lightweight pages, such as the
-      // google home page, never trigger a paint measurement via the chrome
-      // page load timer.
-      // In this case, the time-to-first paint is effectively the same as the
-      // time to onLoad().
-      paintTime = totalTime;
-    }
-
-    // For our toolbar counters
-    totalTime_ += totalTime;
-    count_++;
-
-    // Get the index of current benchmarked page in the result array.
-    var currIndex;
-    currIndex = window.results.data.indexOf(current_, 0);
-
-    // Record the result
-    current_.viaSpdy = load_times.wasFetchedViaSpdy;
-    current_.iterations++;
-    current_.startLoadResults.push(startLoadTime);
-    current_.commitLoadResults.push(commitLoadTime);
-    current_.docLoadResults.push(docLoadTime);
-    current_.paintResults.push(paintTime);
-    current_.totalResults.push(totalTime);
-    var bytesRead = chrome.benchmarking.counter(kTCPReadBytes) -
-                                              initialReadBytes_;
-    var bytesWrite = chrome.benchmarking.counter(kTCPWriteBytes) -
-                                               initialWriteBytes_;
-    current_.KbytesRead.push(bytesRead / 1024);
-    current_.KbytesWritten.push(bytesWrite / 1024);
-    current_.readbpsResults.push(bytesRead * 8 / totalTime);
-    current_.writebpsResults.push(bytesWrite * 8 / totalTime);
-    current_.requests.push(chrome.benchmarking.counter(kRequestCount) -
-                         initialRequestCount_);
-    current_.connects.push(chrome.benchmarking.counter(kConnectCount) -
-                         initialConnectCount_);
-    current_.spdySessions.push(chrome.benchmarking.counter(kSpdySessionCount) -
-                         initialSpdySessionCount_);
-    current_.totalTime += totalTime;
-    current_.domNum = domNum;
-    current_.maxDepth = depths[0];
-    current_.minDepth = depths[1];
-    current_.avgDepth = depths[2];
-
-    // Insert or update the result data after each run.
-    if (currIndex == -1) {
-      window.results.data.push(current_);
-    } else {
-      window.results.data[currIndex] = current_;
-    }
-
-    if (--runCount_ == 0) {
-      me_.finish();
-    }
-
-    // If there are more tests, schedule them
-    if (runCount_ > 0 || benchmarks.length > 0) {
-      if (window.clearConnections) {
-        chrome.benchmarking.closeConnections();
-      }
-      setTimeout(me_.runPage, 100);
-    }
-
-    // Update the UI
-    me_.displayResults();
-  };
-}
-
-chrome.runtime.onConnect.addListener(function(port) {
-  port.onMessage.addListener(function(data) {
-    if (data.message == "load") {
-      var benchmark = findBenchmark(data.url);
-      if (benchmark == undefined && benchmarkStillRunning()) {
-        alert("Error: Loaded url(" + data.url + ") is not the same as what " +
-              "you set in url box. This could happen if the request is " +
-              "redirected. Please use the redirected url for testing.");
-        // Stop the test here.
-        benchmarks = [];
-      }
-      if (benchmark != undefined && benchmark.isRunning()) {
-        benchmark.pageFinished(data.values, data.domNum, data.domDepths);
-      }
-    }
-  });
-});
-
-function run() {
-  if (window.clearCache) {
-    // Show a warning if we will try to clear the cache between runs
-    // but will also be reusing the same WebKit instance (i.e. Chrome
-    // is in single-process mode) because the WebKit cache might not get
-    // completely cleared between runs.
-    if (chrome.benchmarking.isSingleProcess()) {
-      alert("Warning: the WebKit cache may not be cleared correctly " +
-            "between runs because Chrome is running in single-process mode.");
-    }
-  }
-  benchmarks = [];
-  var urls = testUrl.split(",");
-  for (var i = 0; i < urls.length; i++) {
-
-    // Remove extra space at the beginning or end of a url.
-    urls[i] = removeSpace(urls[i]);
-
-    // Alert about and ignore blank page which does not get loaded.
-    if (urls[i] == "about:blank") {
-      alert("blank page loaded!");
-    } else if (!checkScheme(urls[i])) {
-      // Alert about url that is not in scheme http:// or https://.
-      alert(urls[i] + " does not start with http:// or https://.");
-    } else {
-      var benchmark = new Benchmark();
-      benchmark.start(urls[i]);  // XXXMB - move to constructor
-    }
-  }
-  benchmarks[0].runPage();
-}
-
-// Remove extra whitespace in the beginning or end of a url string.
-function removeSpace(url) {
-  var tempUrl = url;
-  while (tempUrl.charAt(tempUrl.length-1) == " ") {
-    tempUrl = tempUrl.substring(0, tempUrl.length-1);
-  };
-  while (tempUrl.charAt(0) == " ") {
-    tempUrl = tempUrl.substring(1, tempUrl.length);
-  };
-  return tempUrl;
-}
-
-// Check whether a Url starts with http:// or https://.
-function checkScheme(url) {
-  var httpStr = "http://";
-  var httpsStr = "https://";
-  var urlSubStr1 = url.substring(0, httpStr.length);
-  var urlSubStr2 = url.substring(0, httpsStr.length);
-
-  if ( (urlSubStr1 == httpStr) || (urlSubStr2 == httpsStr) ) {
-    return true;
-  }
-  return false;
-}
-
-// Run at startup
-chrome.windows.getCurrent(function(currentWindow) {
-  window.windowId = currentWindow.id;
-});