DevTools: introduce new cm_headless module to fix formatter_worker deps.

third_party/WebKit/Source/devtools/BUILD.gn

 # Copyright 2014 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.
 
 import("//build/config/features.gni")
 import("//third_party/WebKit/public/public_features.gni")
 import("//third_party/WebKit/Source/core/core.gni")
 
 all_devtools_files = [
   "front_end/accessibility/AccessibilityModel.js",
@@ skipping 59 matching lines @@
   "front_end/cm_modes/module.json",
   "front_end/cm_modes/php.js",
   "front_end/cm_modes/python.js",
   "front_end/cm_modes/shell.js",
   "front_end/cm/activeline.js",
   "front_end/cm/closebrackets.js",
   "front_end/cm/codemirror.css",
   "front_end/cm/codemirror.js",
   "front_end/cm/comment.js",
   "front_end/cm/css.js",
-  "front_end/cm/css.js",
-  "front_end/cm/headlesscodemirror.js",
-  "front_end/cm/headlesscodemirror.js",
   "front_end/cm/htmlembedded.js",
   "front_end/cm/htmlmixed.js",
   "front_end/cm/javascript.js",
   "front_end/cm/markselection.js",
   "front_end/cm/matchbrackets.js",
   "front_end/cm/multiplex.js",
   "front_end/cm/overlay.js",
   "front_end/cm/simple.js",
   "front_end/cm/xml.js",
-  "front_end/cm/xml.js",
+  "front_end/cm_headless/headlesscodemirror.js",
+  "front_end/cm_headless/module.json",
   "front_end/common/CharacterIdMap.js",
   "front_end/common/Color.js",
   "front_end/common/Console.js",
   "front_end/common/ContentProvider.js",
   "front_end/common/CSSShadowModel.js",
   "front_end/common/FormatterWorkerPool.js",
   "front_end/common/Geometry.js",
   "front_end/common/module.json",
   "front_end/common/ModuleExtensionInterfaces.js",
   "front_end/common/Object.js",
   "front_end/common/OutputStream.js",
   "front_end/common/ParsedURL.js",
   "front_end/common/Progress.js",
   "front_end/common/ResourceType.js",
   "front_end/common/SegmentedRange.js",
   "front_end/common/Settings.js",
   "front_end/common/StaticContentProvider.js",
   "front_end/common/Text.js",
   "front_end/common/TextDictionary.js",
   "front_end/common/TextRange.js",
   "front_end/common/TextUtils.js",
-  "front_end/common/TextUtils.js",
   "front_end/common/Throttler.js",
   "front_end/common/Trie.js",
   "front_end/common/UIString.js",
-  "front_end/common/UIString.js",
   "front_end/common/Worker.js",
   "front_end/components_lazy/CookiesTable.js",
   "front_end/components_lazy/filmStripDialog.css",
   "front_end/components_lazy/FilmStripModel.js",
   "front_end/components_lazy/filmStripView.css",
   "front_end/components_lazy/FilmStripView.js",
   "front_end/components_lazy/GCActionDelegate.js",
   "front_end/components_lazy/LineLevelProfile.js",
   "front_end/components_lazy/module.json",
   "front_end/components/breakpointsList.css",
@@ skipping 91 matching lines @@
   "front_end/extensions/ExtensionAPI.js",
   "front_end/extensions/ExtensionAuditCategory.js",
   "front_end/extensions/ExtensionPanel.js",
   "front_end/extensions/ExtensionRegistryStub.js",
   "front_end/extensions/ExtensionServer.js",
   "front_end/extensions/ExtensionView.js",
   "front_end/extensions/module.json",
   "front_end/formatter_worker.js",
   "front_end/formatter_worker.json",
   "front_end/formatter_worker/acorn/acorn.js",
-  "front_end/formatter_worker/acorn/acorn.js",
   "front_end/formatter_worker/AcornTokenizer.js",
   "front_end/formatter_worker/CSSFormatter.js",
   "front_end/formatter_worker/CSSRuleParser.js",
   "front_end/formatter_worker/ESTreeWalker.js",
   "front_end/formatter_worker/FormattedContentBuilder.js",
   "front_end/formatter_worker/FormatterWorker.js",
   "front_end/formatter_worker/HTMLFormatter.js",
   "front_end/formatter_worker/IdentityFormatter.js",
   "front_end/formatter_worker/JavaScriptFormatter.js",
   "front_end/formatter_worker/JavaScriptOutline.js",
@@ skipping 78 matching lines @@
   "front_end/network/xmlTree.css",
   "front_end/network/xmlView.css",
   "front_end/network/XMLView.js",
   "front_end/persistence/Automapping.js",
   "front_end/persistence/DefaultMapping.js",
   "front_end/persistence/FileSystemWorkspaceBinding.js",
   "front_end/persistence/Persistence.js",
   "front_end/persistence/PersistenceUtils.js",
   "front_end/platform/module.json",
   "front_end/platform/utilities.js",
-  "front_end/platform/utilities.js",
-  "front_end/platform/utilities.js",
   "front_end/profiler/BottomUpProfileDataGrid.js",
   "front_end/profiler/CPUProfileFlameChart.js",
   "front_end/profiler/CPUProfileView.js",
   "front_end/profiler/heapProfiler.css",
   "front_end/profiler/HeapProfileView.js",
   "front_end/profiler/HeapSnapshotCommon.js",
-  "front_end/profiler/HeapSnapshotCommon.js",
   "front_end/profiler/HeapSnapshotDataGrids.js",
   "front_end/profiler/HeapSnapshotGridNodes.js",
   "front_end/profiler/HeapSnapshotProxy.js",
   "front_end/profiler/HeapSnapshotView.js",
   "front_end/profiler/module.json",
   "front_end/profiler/ProfileDataGrid.js",
   "front_end/profiler/ProfileLauncherView.js",
   "front_end/profiler/profilesPanel.css",
   "front_end/profiler/ProfilesPanel.js",
   "front_end/profiler/profilesSidebarTree.css",
@@ skipping 714 matching lines @@
     ".eslintrc.js",
     "devtools-node-modules/",
     "front_end/",
     "scripts/buildbot/run_eslint.py",
     "scripts/local_node/",
     "//testing/scripts/common.py",
     "//testing/scripts/run_devtools_check.py",
     "//testing/xvfb.py",
   ]
 }