Revert "Remove WebIDE devtools component."

This reverts commit 8c1500707f.

# Conflicts:
#	application/basilisk/components/customizableui/CustomizableUI.jsm

devtools/client/webide/test/chrome.ini

@@ -0,0 +1,71 @@
+[DEFAULT]
+tags = devtools
+support-files =
+  app/index.html
+  app/manifest.webapp
+  app.zip
+  addons/simulators.json
+  addons/fxos_1_0_simulator-linux.xpi
+  addons/fxos_1_0_simulator-linux64.xpi
+  addons/fxos_1_0_simulator-win32.xpi
+  addons/fxos_1_0_simulator-mac64.xpi
+  addons/fxos_2_0_simulator-linux.xpi
+  addons/fxos_2_0_simulator-linux64.xpi
+  addons/fxos_2_0_simulator-win32.xpi
+  addons/fxos_2_0_simulator-mac64.xpi
+  addons/fxos_3_0_simulator-linux.xpi
+  addons/fxos_3_0_simulator-linux64.xpi
+  addons/fxos_3_0_simulator-win32.xpi
+  addons/fxos_3_0_simulator-mac64.xpi
+  addons/fxos_3_0_tv_simulator-linux.xpi
+  addons/fxos_3_0_tv_simulator-linux64.xpi
+  addons/fxos_3_0_tv_simulator-win32.xpi
+  addons/fxos_3_0_tv_simulator-mac64.xpi
+  addons/adbhelper-linux.xpi
+  addons/adbhelper-linux64.xpi
+  addons/adbhelper-win32.xpi
+  addons/adbhelper-mac64.xpi
+  addons/fxdt-adapters-linux32.xpi
+  addons/fxdt-adapters-linux64.xpi
+  addons/fxdt-adapters-win32.xpi
+  addons/fxdt-adapters-mac64.xpi
+  build_app1/package.json
+  build_app2/manifest.webapp
+  build_app2/package.json
+  build_app2/stage/empty-directory
+  build_app_windows1/package.json
+  build_app_windows2/manifest.webapp
+  build_app_windows2/package.json
+  build_app_windows2/stage/empty-directory
+  device_front_shared.js
+  head.js
+  hosted_app.manifest
+  templates.json
+  ../../shared/test/browser_devices.json
+  validator/*
+
+[test_basic.html]
+[test_newapp.html]
+skip-if = (os == "win" && os_version == "10.0") # Bug 1197053
+[test_import.html]
+skip-if = (os == "linux") # Bug 1024734 
+[test_duplicate_import.html]
+[test_runtime.html]
+[test_manifestUpdate.html]
+[test_addons.html]
+skip-if = true # Bug 1201392 - Update add-ons after migration
+[test_device_runtime.html]
+[test_device_permissions.html]
+[test_autoconnect_runtime.html]
+[test_autoselect_project.html]
+[test_telemetry.html]
+skip-if = true # Bug 1201392 - Update add-ons after migration
+[test_device_preferences.html]
+[test_device_settings.html]
+[test_fullscreenToolbox.html]
+[test_zoom.html]
+[test_build.html]
+[test_simulators.html]
+skip-if = true # Bug 1281138 - intermittent failures
+[test_toolbox.html]
+[test_app_validator.html]