DevTools: Do not force style sheets update on inspector start.

LayoutTests/http/tests/inspector-protocol/resources/protocol-test.js

 /*
  * Copyright (C) 2012 Samsung Electronics. All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions
  * are met:
  *
  * 1.  Redistributions of source code must retain the above copyright
  *     notice, this list of conditions and the following disclaimer.
  * 2.  Redistributions in binary form must reproduce the above copyright
  *     notice, this list of conditions and the following disclaimer in the
  *     documentation and/or other materials provided with the distribution.
  *
  * THIS SOFTWARE IS PROVIDED BY APPLE AND ITS CONTRIBUTORS "AS IS" AND ANY
  * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
  * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
  * DISCLAIMED. IN NO EVENT SHALL APPLE OR ITS CONTRIBUTORS BE LIABLE FOR ANY
  * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
  * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
  * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
  * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
  * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  */
+
 var outputElement;
 
 /**
  * Logs message to process stdout via alert (hopefully implemented with immediate flush).
  * @param {string} text
  */
 function debugLog(text)
 {
     alert(text);
 }
@@ skipping 15 matching lines @@
         outputElement.id = "output";
         outputElement.style.whiteSpace = "pre";
         intermediate2.appendChild(outputElement);
     }
     outputElement.appendChild(document.createTextNode(text));
     outputElement.appendChild(document.createElement("br"));
 }
 
 function closeTest()
 {
-    window.internals.closeDummyInspectorFrontend();
+    closeInspector();
     testRunner.notifyDone();
 }
 
 function runTest()
 {
     if (!window.testRunner) {
         console.error("This test requires DumpRenderTree");
         return;
     }
     testRunner.dumpAsText();
     testRunner.waitUntilDone();
     testRunner.setCanOpenWindows(true);
 
+    openInspector();
+}
+
+function closeInspector()
+{
+    window.internals.closeDummyInspectorFrontend();
+}
+
+function openInspector()
+{
     var scriptTags = document.getElementsByTagName("script");
     var scriptUrlBasePath = "";
     for (var i = 0; i < scriptTags.length; ++i) {
         var index = scriptTags[i].src.lastIndexOf("/protocol-test.js");
         if (index > -1 ) {
             scriptUrlBasePath = scriptTags[i].src.slice(0, index);
             break;
         }
     }
 
-    var url = scriptUrlBasePath + "/protocol-test.html";
-    var inspectorFrontend = window.internals.openDummyInspectorFrontend(url);
+    var dummyFrontendURL = scriptUrlBasePath + "/protocol-test.html";
+    var inspectorFrontend = window.internals.openDummyInspectorFrontend(dummyFrontendURL);
     inspectorFrontend.addEventListener("load", function(event) {
         // FIXME: rename this 'test' global field across all tests.
         var testFunction = window.test;
         if (typeof testFunction === "function") {
             var initializers = "";
             for (var symbol in window) {
                 if (!/^initialize_/.test(symbol) || typeof window[symbol] !== "function")
                     continue;
                 initializers += "(" + window[symbol].toString() + ")();\n";
             }
             inspectorFrontend.postMessage(initializers + "(" + testFunction.toString() +")();", "*");
             return;
         }
         // Kill waiting process if failed to send.
         alert("Failed to send test function");
         testRunner.notifyDone();
     });
 }