1<!DOCTYPE html><!-- This page is a placeholder for generated extensions api doc. Note: 2 1) The <head> information in this page is significant, should be uniform 3 across api docs and should be edited only with knowledge of the 4 templating mechanism. 5 3) All <body>.innerHTML is genereated as an rendering step. If viewed in a 6 browser, it will be re-generated from the template, json schema and 7 authored overview content. 8 4) The <body>.innerHTML is also generated by an offline step so that this 9 page may easily be indexed by search engines. 10--><html xmlns="http://www.w3.org/1999/xhtml"><head> 11 <meta http-equiv="Content-Type" content="text/html; charset=UTF-8"> 12 <link href="css/ApiRefStyles.css" rel="stylesheet" type="text/css"> 13 <link href="css/print.css" rel="stylesheet" type="text/css" media="print"> 14 <script type="text/javascript" src="../../../third_party/jstemplate/jstemplate_compiled.js"> 15 </script> 16 <script type="text/javascript" src="js/api_page_generator.js"></script> 17 <script type="text/javascript" src="js/bootstrap.js"></script> 18 <title>chrome.devtools - Google Chrome Extensions - Google Code</title></head><body> <div id="gc-container" class="labs"> 19 <!-- SUBTEMPLATES: DO NOT MOVE FROM THIS LOCATION --> 20 <!-- In particular, sub-templates that recurse, must be used by allowing 21 jstemplate to make a copy of the template in this section which 22 are not operated on by way of the jsskip="true" --> 23 <div style="display:none"> 24 25 <!-- VALUE --> 26 <div id="valueTemplate"> 27 <dt> 28 <var>paramName</var> 29 <em> 30 31 <!-- TYPE --> 32 <div style="display:inline"> 33 ( 34 <span class="optional">optional</span> 35 <span id="typeTemplate"> 36 <span> 37 <a> Type</a> 38 </span> 39 <span> 40 <span> 41 array of <span><span></span></span> 42 </span> 43 <span>paramType</span> 44 </span> 45 </span> 46 ) 47 </div> 48 49 </em> 50 </dt> 51 <dd class="todo"> 52 Undocumented. 53 </dd> 54 <dd> 55 Description of this parameter from the json schema. 56 </dd> 57 58 <!-- OBJECT PROPERTIES --> 59 <dd> 60 <dl> 61 <div> 62 <div> 63 </div> 64 </div> 65 </dl> 66 </dd> 67 </div> <!-- /VALUE --> 68 69 </div> <!-- /SUBTEMPLATES --> 70 71 <a id="top"></a> 72 <div id="skipto"> 73 <a href="#gc-pagecontent">Skip to page content</a> 74 <a href="#gc-toc">Skip to main navigation</a> 75 </div> 76 <!-- API HEADER --> 77 <table id="header" width="100%" cellspacing="0" border="0"> 78 <tbody><tr> 79 <td valign="middle"><a href="http://code.google.com/"><img src="images/code_labs_logo.gif" height="43" width="161" alt="Google Code Labs" style="border:0; margin:0;"></a></td> 80 <td valign="middle" width="100%" style="padding-left:0.6em;"> 81 <form action="http://www.google.com/cse" id="cse" style="margin-top:0.5em"> 82 <div id="gsc-search-box"> 83 <input type="hidden" name="cx" value="002967670403910741006:61_cvzfqtno"> 84 <input type="hidden" name="ie" value="UTF-8"> 85 <input type="text" name="q" value="" size="55"> 86 <input class="gsc-search-button" type="submit" name="sa" value="Search"> 87 <br> 88 <span class="greytext">e.g. "page action" or "tabs"</span> 89 </div> 90 </form> 91 92 <script type="text/javascript" src="http://www.google.com/jsapi"></script> 93 <script type="text/javascript">google.load("elements", "1", {packages: "transliteration"});</script> 94 <script type="text/javascript" src="http://www.google.com/coop/cse/t13n?form=cse&t13n_langs=en"></script> 95 <script type="text/javascript" src="http://www.google.com/coop/cse/brand?form=cse&lang=en"></script> 96 </td> 97 </tr> 98 </tbody></table> 99 100 <div id="codesiteContent" class=""> 101 102 <a id="gc-topnav-anchor"></a> 103 <div id="gc-topnav"> 104 <h1>Google Chrome Extensions (<a href="http://code.google.com/labs/">Labs</a>)</h1> 105 <ul id="home" class="gc-topnav-tabs"> 106 <li id="home_link"> 107 <a href="index.html" title="Google Chrome Extensions home page">Home</a> 108 </li> 109 <li id="docs_link"> 110 <a href="docs.html" title="Official Google Chrome Extensions documentation">Docs</a> 111 </li> 112 <li id="faq_link"> 113 <a href="faq.html" title="Answers to frequently asked questions about Google Chrome Extensions">FAQ</a> 114 </li> 115 <li id="samples_link"> 116 <a href="samples.html" title="Sample extensions (with source code)">Samples</a> 117 </li> 118 <li id="group_link"> 119 <a href="http://groups.google.com/group/chromium-extensions" title="Google Chrome Extensions developer forum">Group</a> 120 </li> 121 </ul> 122 </div> <!-- end gc-topnav --> 123 124 <div class="g-section g-tpl-170"> 125 <!-- SIDENAV --> 126 <div class="g-unit g-first" id="gc-toc"> 127 <ul> 128 <li><a href="getstarted.html">Getting Started</a></li> 129 <li><a href="overview.html">Overview</a></li> 130 <li><h2><a href="devguide.html">Developer's Guide</a></h2> 131 <ul> 132 <li>Browser UI 133 <ul> 134 <li><a href="browserAction.html">Browser Actions</a></li> 135 <li><a href="options.html">Options Pages</a></li> 136 <li><a href="override.html">Override Pages</a></li> 137 <li><a href="pageAction.html">Page Actions</a></li> 138 <li><a href="themes.html">Themes</a></li> 139 </ul> 140 </li> 141 <li>Browser Interaction 142 <ul> 143 <li><a href="bookmarks.html">Bookmarks</a></li> 144 <li><a href="events.html">Events</a></li> 145 <li><a href="tabs.html">Tabs</a></li> 146 <li><a href="windows.html">Windows</a></li> 147 </ul> 148 </li> 149 <li>Implementation 150 <ul> 151 <li><a href="background_pages.html">Background Pages</a></li> 152 <li><a href="content_scripts.html">Content Scripts</a></li> 153 <li><a href="xhr.html">Cross-Origin XHR</a></li> 154 <li><a href="i18n.html">Internationalization</a></li> 155 <li><a href="messaging.html">Message Passing</a></li> 156 <li><a href="npapi.html">NPAPI Plugins</a></li> 157 </ul> 158 </li> 159 <li>Finishing 160 <ul> 161 <li><a href="autoupdate.html">Autoupdating</a></li> 162 <li><a href="packaging.html">Packaging</a></li> 163 <li><a href="external_extensions.html">External Extensions</a></li> 164 </ul> 165 </li> 166 </ul> 167 </li> 168 <li><h2><a href="tutorials.html">Tutorials</a></h2> 169 <ul> 170 <li><a href="tut_debugging.html">Debugging</a></li> 171 </ul> 172 </li> 173 <li><h2>Reference</h2> 174 <ul> 175 <li>Formats 176 <ul> 177 <li><a href="manifest.html">Manifest Files</a></li> 178 <li><a href="match_patterns.html">Match Patterns</a></li> 179 <!-- <li>Packages (.crx)</li> --> 180 </ul> 181 </li> 182 <li><a href="api_index.html">chrome.* APIs</a></li> 183 <li><a href="api_other.html">Other APIs</a></li> 184 </ul> 185 </li> 186 <li><h2><a href="samples.html">Samples</a></h2></li> 187 </ul> 188 </div> 189 190 <div class="g-unit" id="gc-pagecontent"> 191 <div id="pageTitle"> 192 <h1 class="page_title">chrome.devtools</h1> 193 </div> 194 <!-- TABLE OF CONTENTS --> 195 <div id="toc"> 196 <h2>Contents</h2> 197 <ol> 198 <li style="display: none; "> 199 <a>h2Name</a> 200 <ol> 201 <li> 202 <a>h3Name</a> 203 </li> 204 </ol> 205 </li> 206 <li> 207 <a href="#apiReference">API reference: chrome.devtools</a> 208 <ol> 209 <li style="display: none; "> 210 <a href="#properties">Properties</a> 211 <ol> 212 <li> 213 <a href="#property-anchor">propertyName</a> 214 </li> 215 </ol> 216 </li> 217 <li> 218 <a href="#methods">Methods</a> 219 <ol> 220 <li style="display: none; "> 221 <a href="#method-anchor">methodName</a> 222 </li> 223 </ol> 224 </li> 225 <li style="display: none; "> 226 <a href="#events">Events</a> 227 <ol> 228 <li> 229 <a href="#event-anchor">eventName</a> 230 </li> 231 </ol> 232 </li> 233 <li style="display: none; "> 234 <a href="#types">Types</a> 235 <ol> 236 <li> 237 <a href="#id-anchor">id</a> 238 </li> 239 </ol> 240 </li> 241 </ol> 242 </li> 243 </ol> 244 </div> 245 <!-- /TABLE OF CONTENTS --> 246 247 <!-- STATIC CONTENT PLACEHOLDER --> 248 <div id="static"></div> 249 250 <!-- API PAGE --> 251 <div class="apiPage"> 252 <a name="apiReference"></a> 253 <h2>API reference: chrome.devtools</h2> 254 255 <!-- PROPERTIES --> 256 <div class="apiGroup" style="display: none; "> 257 <a name="properties"></a> 258 <h3 id="properties">Properties</h3> 259 260 <div> 261 <a></a> 262 <h4>getLastError</h4> 263 <div class="summary"> 264 <!-- Note: intentionally longer 80 columns --> 265 <span>chrome.extension</span><span>lastError</span> 266 </div> 267 <div> 268 </div> 269 </div> 270 271 </div> <!-- /apiGroup --> 272 273 <!-- METHODS --> 274 <div class="apiGroup" id="methods"> 275 <a name="methods"></a> 276 <h3>Methods</h3> 277 278 <!-- iterates over all functions --> 279 <div class="apiItem" style="display: none; "> 280 <a></a> <!-- method-anchor --> 281 <h4>method name</h4> 282 283 <div class="summary"><span>void</span> 284 <!-- Note: intentionally longer 80 columns --> 285 <span>chrome.module.methodName</span>(<span><span>, </span><span></span> 286 <var><span></span></var></span>)</div> 287 288 <div class="description"> 289 <p class="todo">Undocumented.</p> 290 <p> 291 A description from the json schema def of the function goes here. 292 </p> 293 294 <!-- PARAMETERS --> 295 <h4>Parameters</h4> 296 <dl> 297 <div> 298 <div> 299 </div> 300 </div> 301 </dl> 302 303 <!-- RETURNS --> 304 <h4>Returns</h4> 305 <dl> 306 <div> 307 <div> 308 </div> 309 </div> 310 </dl> 311 312 <!-- CALLBACK --> 313 <div> 314 <div> 315 <h4>Callback function</h4> 316 <p> 317 The callback <em>parameter</em> should specify a function 318 that looks like this: 319 </p> 320 <p> 321 If you specify the <em>callback</em> parameter, it should 322 specify a function that looks like this: 323 </p> 324 325 <!-- Note: intentionally longer 80 columns --> 326 <pre>function(<span>Type param1, Type param2</span>) <span class="subdued">{...}</span>);</pre> 327 <dl> 328 <div> 329 <div> 330 </div> 331 </div> 332 </dl> 333 </div> 334 </div> 335 336 </div> <!-- /description --> 337 338 </div> <!-- /apiItem --> 339 340 </div> <!-- /apiGroup --> 341 342 <!-- EVENTS --> 343 <div class="apiGroup" style="display: none; "> 344 <a name="events"></a> 345 <h3 id="events">Events</h3> 346 347 <!-- iterates over all events --> 348 <div class="apiItem"> 349 <a></a> 350 <h4>event name</h4> 351 352 <div class="summary"> 353 <!-- Note: intentionally longer 80 columns --> 354 <span class="subdued">chrome.bookmarks</span><span>onEvent</span><span class="subdued">.addListener</span>(function(<span>Type param1, Type param2</span>) <span class="subdued">{...}</span>); 355 </div> 356 357 <div class="description"> 358 <p class="todo">Undocumented.</p> 359 <p> 360 A description from the json schema def of the event goes here. 361 </p> 362 363 <!-- PARAMETERS --> 364 <h4>Parameters</h4> 365 <dl> 366 <div> 367 <div> 368 </div> 369 </div> 370 </dl> 371 372 </div> <!-- /decription --> 373 374 </div> <!-- /apiItem --> 375 376 </div> <!-- /apiGroup --> 377 378 <!-- TYPES --> 379 <div class="apiGroup" style="display: none; "> 380 <a name="types.sort(sortByName)"></a> 381 <h3 id="types">Types</h3> 382 383 <!-- iterates over all types --> 384 <div class="apiItem"> 385 <a></a> 386 <h4>type name</h4> 387 388 <div> 389 </div> 390 391 </div> <!-- /apiItem --> 392 393 </div> <!-- /apiGroup --> 394 395 </div> <!-- /apiPage --> 396 </div> <!-- /gc-pagecontent --> 397 </div> <!-- /g-section --> 398 </div> <!-- /codesiteContent --> 399 <div id="gc-footer" --=""> 400 <div class="text"> 401 <p> 402 Except as otherwise <a href="http://code.google.com/policies.html#restrictions">noted</a>, 403 the content of this page is licensed under the <a rel="license" href="http://creativecommons.org/licenses/by/3.0/">Creative Commons 404 Attribution 3.0 License</a>, and code samples are licensed under the 405 <a rel="license" href="http://code.google.com/google_bsd_license.html">BSD License</a>. 406 </p> 407 <p> 408 ©2009 Google 409 </p> 410 411<!-- begin analytics --> 412<script src="http://www.google-analytics.com/urchin.js" type="text/javascript"></script> 413<script src="http://www.google-analytics.com/ga.js" type="text/javascript"></script> 414 415<script type="text/javascript"> 416 // chrome doc tracking 417 try { 418 var engdocs = _gat._getTracker("YT-10763712-2"); 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