DevTools: eliminate UI.Icon transforms

third_party/WebKit/Source/devtools/front_end/ui/Icon.js

 // Copyright 2016 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.
 
 /**
  * @constructor
  * @extends {HTMLSpanElement}
  */
 UI.Icon = class extends HTMLSpanElement {
   constructor() {
@@ skipping 30 matching lines @@
 
   /**
    * @param {string} iconType
    */
   setIconType(iconType) {
     if (this._descriptor) {
       this.style.removeProperty('-webkit-mask-position');
       this.style.removeProperty('background-position');
       this.style.removeProperty('width');
       this.style.removeProperty('height');
-      this.style.removeProperty('transform');
       this._toggleClasses(false);
       this._iconType = '';
       this._descriptor = null;
     }
     var descriptor = UI.Icon.Descriptors[iconType] || null;
     if (descriptor) {
       this._iconType = iconType;
       this._descriptor = descriptor;
       this.style.setProperty('-webkit-mask-position', this._propertyValue());
       this.style.setProperty('background-position', this._propertyValue());
       this.style.setProperty('width', this._descriptor.width + 'px');
       this.style.setProperty('height', this._descriptor.height + 'px');
-      if (this._descriptor.transform)
-        this.style.setProperty('transform', this._descriptor.transform);
       this._toggleClasses(true);
     } else if (iconType) {
       throw new Error(`ERROR: failed to find icon descriptor for type: ${iconType}`);
     }
   }
 
   /**
    * @param {boolean} value
    */
   _toggleClasses(value) {
@@ skipping 16 matching lines @@
 /** @enum {!UI.Icon.Descriptor} */
 UI.Icon.Descriptors = {
   'smallicon-error': {x: -20, y: 0, width: 10, height: 10, spritesheet: 'smallicons'},
   'smallicon-warning': {x: -60, y: 0, width: 10, height: 10, spritesheet: 'smallicons'},
   'smallicon-info': {x: -80, y: 0, width: 10, height: 10, spritesheet: 'smallicons'},
   'smallicon-device': {x: -100, y: 0, width: 10, height: 10, spritesheet: 'smallicons'},
   'smallicon-red-ball': {x: -120, y: 0, width: 10, height: 10, spritesheet: 'smallicons'},
   'smallicon-green-ball': {x: -140, y: 0, width: 10, height: 10, spritesheet: 'smallicons'},
   'smallicon-orange-ball': {x: -160, y: 0, width: 10, height: 10, spritesheet: 'smallicons'},
   'smallicon-thick-right-arrow': {x: -180, y: 0, width: 10, height: 10, spritesheet: 'smallicons'},
-  'smallicon-thick-left-arrow':
-      {x: -180, y: 0, width: 10, height: 10, spritesheet: 'smallicons', transform: 'rotate(180deg)'},
+  'smallicon-thick-left-arrow': {x: -180, y: -20, width: 10, height: 10, spritesheet: 'smallicons'},
   'smallicon-user-command': {x: 0, y: -19, width: 10, height: 10, spritesheet: 'smallicons'},
   'smallicon-text-prompt': {x: -20, y: -20, width: 10, height: 10, spritesheet: 'smallicons'},
   'smallicon-command-result': {x: -40, y: -19, width: 10, height: 10, spritesheet: 'smallicons'},
   'smallicon-shadow': {x: -60, y: -20, width: 10, height: 10, spritesheet: 'smallicons', isMask: true},
   'smallicon-bezier': {x: -80, y: -20, width: 10, height: 10, spritesheet: 'smallicons', isMask: true},
   'smallicon-dropdown-arrow': {x: -18, y: -96, width: 12, height: 12, spritesheet: 'largeicons', isMask: true},
   'smallicon-triangle-right': {x: -4, y: -98, width: 10, height: 8, spritesheet: 'largeicons', isMask: true},
   'smallicon-triangle-down': {x: -20, y: -98, width: 10, height: 8, spritesheet: 'largeicons', isMask: true},
   'smallicon-triangle-up': {x: -4, y: -111, width: 10, height: 8, spritesheet: 'largeicons', isMask: true},
   'smallicon-arrow-in-circle': {x: -10, y: -127, width: 11, height: 11, spritesheet: 'largeicons', isMask: true},
@@ skipping 36 matching lines @@
   'largeicon-pan': {x: -98, y: -120, width: 28, height: 24, spritesheet: 'largeicons', isMask: true},
   'largeicon-waterfall': {x: -128, y: -48, width: 28, height: 24, spritesheet: 'largeicons', isMask: true},
   'largeicon-filter': {x: -32, y: -48, width: 28, height: 24, spritesheet: 'largeicons', isMask: true},
   'largeicon-trash-bin': {x: -128, y: -24, width: 28, height: 24, spritesheet: 'largeicons', isMask: true},
   'largeicon-pretty-print': {x: -256, y: -24, width: 28, height: 24, spritesheet: 'largeicons', isMask: true},
   'largeicon-deactivate-breakpoints': {x: 0, y: -24, width: 28, height: 24, spritesheet: 'largeicons', isMask: true},
   'largeicon-activate-breakpoints': {x: -32, y: 0, width: 28, height: 24, spritesheet: 'largeicons', isMask: true},
   'largeicon-resume': {x: 0, y: -72, width: 28, height: 24, spritesheet: 'largeicons', isMask: true},
   'largeicon-pause': {x: -32, y: -72, width: 28, height: 24, spritesheet: 'largeicons', isMask: true},
   'largeicon-pause-on-exceptions': {x: -256, y: 0, width: 28, height: 24, spritesheet: 'largeicons', isMask: true},
-  'largeicon-play-back':
-      {x: -64, y: -48, width: 28, height: 24, spritesheet: 'largeicons', isMask: true, transform: 'scaleX(-1)'},
+  'largeicon-play-back': {x: -96, y: -48, width: 28, height: 24, spritesheet: 'largeicons', isMask: true},
   'largeicon-play': {x: -64, y: -48, width: 28, height: 24, spritesheet: 'largeicons', isMask: true},
   'largeicon-step-over': {x: -128, y: -72, width: 28, height: 24, spritesheet: 'largeicons', isMask: true},
   'largeicon-step-out': {x: -96, y: -72, width: 28, height: 24, spritesheet: 'largeicons', isMask: true},
   'largeicon-step-in': {x: -64, y: -72, width: 28, height: 24, spritesheet: 'largeicons', isMask: true},
   'largeicon-camera': {x: -96, y: -24, width: 28, height: 24, spritesheet: 'largeicons', isMask: true},
   'largeicon-stop-recording': {x: -288, y: -24, width: 28, height: 24, spritesheet: 'largeicons', isMask: true},
   'largeicon-start-recording': {x: -288, y: 0, width: 28, height: 24, spritesheet: 'largeicons', isMask: true},
   'largeicon-large-list': {x: -224, y: 0, width: 28, height: 24, spritesheet: 'largeicons', isMask: true},
   'largeicon-visibility': {x: -96, y: 0, width: 28, height: 24, spritesheet: 'largeicons', isMask: true},
   'largeicon-refresh': {x: 0, y: 0, width: 28, height: 24, spritesheet: 'largeicons', isMask: true},
   'largeicon-dock-to-right': {x: -256, y: -48, width: 28, height: 24, spritesheet: 'largeicons', isMask: true},
-  'largeicon-dock-to-left':
-      {x: -256, y: -48, width: 28, height: 24, spritesheet: 'largeicons', isMask: true, transform: 'rotate(180deg)'},
+  'largeicon-dock-to-left': {x: -224, y: -48, width: 28, height: 24, spritesheet: 'largeicons', isMask: true},
   'largeicon-dock-to-bottom': {x: -32, y: -24, width: 28, height: 24, spritesheet: 'largeicons', isMask: true},
   'largeicon-undock': {x: 0, y: -48, width: 28, height: 24, spritesheet: 'largeicons', isMask: true},
   'largeicon-settings-gear': {x: -288, y: -72, width: 28, height: 24, spritesheet: 'largeicons', isMask: true},
 
   'largeicon-show-left-sidebar': {x: -160, y: -72, width: 28, height: 24, spritesheet: 'largeicons', isMask: true},
   'largeicon-hide-left-sidebar': {x: -192, y: -72, width: 28, height: 24, spritesheet: 'largeicons', isMask: true},
-  'largeicon-show-right-sidebar':
-      {x: -160, y: -72, width: 28, height: 24, spritesheet: 'largeicons', isMask: true, transform: 'scaleX(-1)'},
-  'largeicon-hide-right-sidebar':
-      {x: -192, y: -72, width: 28, height: 24, spritesheet: 'largeicons', isMask: true, transform: 'scaleX(-1)'},
+  'largeicon-show-right-sidebar': {x: -192, y: -96, width: 28, height: 24, spritesheet: 'largeicons', isMask: true},
+  'largeicon-hide-right-sidebar': {x: -192, y: -120, width: 28, height: 24, spritesheet: 'largeicons', isMask: true},
   'largeicon-show-top-sidebar': {
-    x: -160,
-    y: -72,
+    x: -288,
+    y: -96,
     width: 28,
     height: 24,
     spritesheet: 'largeicons',
     isMask: true,
-    transform: 'translate(4px, 0) rotate(90deg)'
   },
   'largeicon-hide-top-sidebar': {
-    x: -192,
-    y: -72,
+    x: -256,
+    y: -96,
     width: 28,
     height: 24,
     spritesheet: 'largeicons',
     isMask: true,
-    transform: 'translate(4px, 1px) rotate(90deg)'
   },
   'largeicon-show-bottom-sidebar': {
-    x: -160,
-    y: -72,
+    x: -224,
+    y: -144,
     width: 28,
     height: 24,
     spritesheet: 'largeicons',
     isMask: true,
-    transform: 'translate(4px, 0) rotate(-90deg)'
   },
   'largeicon-hide-bottom-sidebar': {
-    x: -192,
-    y: -72,
+    x: -256,
+    y: -120,
     width: 28,
     height: 24,
     spritesheet: 'largeicons',
     isMask: true,
-    transform: 'translate(4px, 1px) rotate(-90deg)'
   },
   'largeicon-navigator-file': {x: -224, y: -72, width: 32, height: 24, spritesheet: 'largeicons', isMask: true},
   'largeicon-navigator-file-sync': {x: -160, y: -24, width: 32, height: 24, spritesheet: 'largeicons', isMask: true},
   'badge-navigator-file-sync': {x: -320, y: -72, width: 32, height: 24, spritesheet: 'largeicons'},
   'largeicon-navigator-folder': {x: -64, y: -120, width: 32, height: 24, spritesheet: 'largeicons', isMask: true},
   'largeicon-navigator-domain': {x: -160, y: -144, width: 32, height: 24, spritesheet: 'largeicons', isMask: true},
   'largeicon-navigator-frame': {x: -256, y: -144, width: 32, height: 24, spritesheet: 'largeicons', isMask: true},
   'largeicon-navigator-worker': {x: -320, y: -144, width: 32, height: 24, spritesheet: 'largeicons', isMask: true},
   'largeicon-navigator-snippet': {x: -224, y: -96, width: 32, height: 24, spritesheet: 'largeicons', isMask: true},
   'largeicon-edit': {x: -160, y: -0, width: 28, height: 24, spritesheet: 'largeicons'},
   'largeicon-chevron': {x: -68, y: -143, width: 24, height: 26, spritesheet: 'largeicons', isMask: true},
 
   'mediumicon-manifest': {x: 0, y: -0, width: 16, height: 16, spritesheet: 'resourceicons', isMask: true},
   'mediumicon-service-worker': {x: -20, y: -0, width: 16, height: 16, spritesheet: 'resourceicons', isMask: true},
   'mediumicon-clear-storage': {x: -40, y: -0, width: 16, height: 16, spritesheet: 'resourceicons', isMask: true},
   'mediumicon-database': {x: -60, y: -0, width: 16, height: 16, spritesheet: 'resourceicons', isMask: true},
   'mediumicon-table': {x: -80, y: -0, width: 16, height: 16, spritesheet: 'resourceicons', isMask: true},
   'mediumicon-cookie': {x: -120, y: -0, width: 16, height: 16, spritesheet: 'resourceicons', isMask: true},
 };