DevTools: kill http/tests/devtools/elements/styles-4/styles-history.js

This patch removes the styles-history.js test: the test is testing the
UISourceCode.history that was recently removed.

BUG=733495
TBR=dgozman

Change-Id: Idddd379ed4b9ae9415232400979003c6130b27a9
Reviewed-on: https://chromium-review.googlesource.com/809715Reviewed-by: Andrey Lushnikov <lushnikov@chromium.org>
Commit-Queue: Andrey Lushnikov <lushnikov@chromium.org>
Cr-Commit-Position: refs/heads/master@{#522031}

third_party/WebKit/LayoutTests/FlagExpectations/enable-blink-features=LayoutNG

@@ -6261,7 +6261,6 @@ crbug.com/591099 http/tests/devtools/elements/styles-3/styles-add-new-rule-tab.j
 crbug.com/591099 http/tests/devtools/elements/styles-3/styles-add-new-rule.js [ Failure Pass ]
 crbug.com/591099 http/tests/devtools/elements/styles-3/styles-change-node-while-editing.js [ Failure ]
 crbug.com/591099 http/tests/devtools/elements/styles-3/styles-disable-inherited.js [ Failure Pass ]
-crbug.com/591099 http/tests/devtools/elements/styles-4/styles-history.js [ Crash ]
 crbug.com/591099 http/tests/devtools/elements/styles-4/svg-style.xhtml [ Failure ]
 crbug.com/591099 http/tests/devtools/extensions/extensions-network.html [ Failure ]
 crbug.com/591099 http/tests/devtools/extensions/extensions-sidebar.html [ Failure ]

third_party/WebKit/LayoutTests/TestExpectations

@@ -1673,7 +1673,6 @@ crbug.com/491764 http/tests/devtools/service-workers/user-agent-override.js [ Pa
 # Fails with leak detector.
 crbug.com/622915 [ Linux ] ietestcenter/css3/grid/grid-column-003.htm [ Skip ]
 crbug.com/733494 [ Linux ] media/autoplay/document-user-activation.html [ Skip ]
-crbug.com/733495 [ Linux ] http/tests/devtools/elements/styles-4/styles-history.js [ Skip ]
 crbug.com/769885 [ Linux ] virtual/android/fullscreen/full-screen-frameset.html [ Skip ]
 
 
@@ -3037,7 +3036,6 @@ crbug.com/731535 [ Win ] fast/dom/Window/window-resize-contents.html [ Failure P
 crbug.com/732103 [ Mac ] http/tests/shapedetection/shapedetection-cross-origin.html [ Failure Pass Timeout ]
 
 # Sheriff failures 2017-06-14
-crbug.com/733357 [ Win Mac ] http/tests/devtools/elements/styles-4/styles-history.js [ Failure Pass ]
 crbug.com/733448 http/tests/devtools/extensions/extensions-network.html [ Failure Pass ]
 
 crbug.com/737959 http/tests/misc/object-image-load-outlives-gc-without-crashing.html [ Failure Pass ]

third_party/WebKit/LayoutTests/http/tests/devtools/elements/styles-4/styles-history-expected.txt

-Tests resources panel history.
-
-
-Running: testSetUp
-
-Running: testSetResourceContentMinor
-History length: 0
-
-Running: testSetResourceContentMajor
-History length: 1
-Item 0:
-body {
-  margin: 20px;
-  padding: 10px;
-}
-
-Running: testSetContentViaModelMinor
-History length: 1
-Item 0:
-body {
-  margin: 20px;
-  padding: 10px;
-}
-
-Running: testSetContentViaModelMajor
-History length: 2
-Item 0:
-body {
-  margin: 20px;
-  padding: 10px;
-}
-Item 1:
-body {
-  margin:30px;
-  padding: 10px;
-}
-

third_party/WebKit/LayoutTests/http/tests/devtools/elements/styles-4/styles-history.js

-// Copyright 2017 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.
-
-(async function() {
-  TestRunner.addResult(`Tests resources panel history.\n`);
-  await TestRunner.loadModule('elements_test_runner');
-  await TestRunner.loadModule('application_test_runner');
-  await TestRunner.showPanel('elements');
-  await TestRunner.addStylesheetTag('../styles/resources/styles-history.css');
-
-  ApplicationTestRunner.runAfterCachedResourcesProcessed(runTestSuite);
-
-  var uiSourceCode;
-
-  function runTestSuite() {
-    TestRunner.runTestSuite([
-      function testSetUp(next) {
-        function visitUISourceCodes(currentUISourceCode) {
-          if (currentUISourceCode.url().indexOf('styles-history.css') === -1)
-            return;
-          uiSourceCode = currentUISourceCode;
-          next();
-        }
-        Workspace.workspace.uiSourceCodes().forEach(visitUISourceCodes);
-      },
-
-      function testSetResourceContentMinor(next) {
-        TestRunner.addSniffer(Bindings.StyleFile.prototype, '_styleFileSyncedForTest', styleUpdatedMinor);
-        uiSourceCode.setWorkingCopy('body {\n  margin: 15px;\n  padding: 10px;\n}');
-
-        function styleUpdatedMinor() {
-          dumpHistory(next)();
-        }
-      },
-
-      function testSetResourceContentMajor(next) {
-        TestRunner.addSniffer(Bindings.StyleFile.prototype, '_styleFileSyncedForTest', styleUpdatedMinor);
-        uiSourceCode.setWorkingCopy('body {\n  margin: 20px;\n  padding: 10px;\n}');
-
-        function styleUpdatedMinor() {
-          TestRunner.addSniffer(Bindings.StyleFile.prototype, '_styleFileSyncedForTest', styleUpdatedMajor);
-          uiSourceCode.commitWorkingCopy(function() {});
-
-          function styleUpdatedMajor() {
-            dumpHistory(next)();
-          }
-        }
-      },
-
-      function testSetContentViaModelMinor(next) {
-        styleSheetForResource(step1);
-
-        function step1(style) {
-          var property = getLiveProperty(style, 'margin');
-          property.setText('margin:25px;', false, true).then(dumpHistory(next));
-        }
-      },
-
-      function testSetContentViaModelMajor(next) {
-        styleSheetForResource(step1);
-
-        function step1(style) {
-          var property = getLiveProperty(style, 'margin');
-          TestRunner.addSniffer(Workspace.UISourceCode.prototype, 'addRevision', dumpHistory(next));
-          property.setText('margin:30px;', true, true);
-        }
-      }
-    ]);
-  }
-
-  function styleSheetForResource(callback) {
-    ElementsTestRunner.nodeWithId('mainBody', onNodeSelected);
-
-    function onNodeSelected(node) {
-      TestRunner.CSSAgent.invoke_getMatchedStylesForNode({nodeId: node.id}).then(onMatchedStylesForNode);
-    }
-
-    function onMatchedStylesForNode(response) {
-      var error = response[Protocol.Error];
-      if (error) {
-        TestRunner.addResult('error: ' + error);
-        TestRunner.completeTest();
-        return;
-      }
-      for (var matchedStyle of response.matchedCSSRules) {
-        var rule = matchedStyle.rule;
-        if (rule.origin !== 'regular')
-          continue;
-        callback(new SDK.CSSStyleDeclaration(TestRunner.cssModel, null, rule.style));
-        return;
-      }
-      TestRunner.addResult('error: did not find any regular rule');
-      TestRunner.completeTest();
-    }
-  }
-
-  function dumpHistory(next) {
-    function result() {
-      TestRunner.addResult('History length: ' + uiSourceCode.history().length);
-      for (var i = 0; i < uiSourceCode.history().length; ++i) {
-        TestRunner.addResult('Item ' + i + ':');
-        TestRunner.addResult(uiSourceCode.history()[i].content);
-      }
-      next();
-    }
-    return result;
-  }
-
-  function getLiveProperty(style, name) {
-    for (var property of style.allProperties()) {
-      if (!property.activeInStyle())
-        continue;
-      if (property.name === name)
-        return property;
-    }
-    return null;
-  }
-})();