DevTools: extract NetworkConditionsSelector into its own module

third_party/WebKit/Source/devtools/front_end/timeline/TimelineUIUtils.js

Index: third_party/WebKit/Source/devtools/front_end/timeline/TimelineUIUtils.js
diff --git a/third_party/WebKit/Source/devtools/front_end/timeline/TimelineUIUtils.js b/third_party/WebKit/Source/devtools/front_end/timeline/TimelineUIUtils.js
index 9a7d7652820ced2566ae63aee85d18f5dce4557e..f9b43f41b57a78bbfd3dba4bed1fda1fd241246f 100644
--- a/third_party/WebKit/Source/devtools/front_end/timeline/TimelineUIUtils.js
+++ b/third_party/WebKit/Source/devtools/front_end/timeline/TimelineUIUtils.js
@@ -782,7 +782,7 @@ Timeline.TimelineUIUtils = class {
         if (eventData['mimeType'])
           contentHelper.appendTextRow(Common.UIString('MIME Type'), eventData['mimeType']);
         if ('priority' in eventData) {
-          var priority = Components.uiLabelForPriority(eventData['priority']);
+          var priority = NetworkConditions.uiLabelForPriority(eventData['priority']);
           contentHelper.appendTextRow(Common.UIString('Priority'), priority);
         }
         if (eventData['encodedDataLength']) {
@@ -1078,7 +1078,7 @@ Timeline.TimelineUIUtils = class {
       contentHelper.appendTextRow(Common.UIString('Request Method'), request.requestMethod);
     if (typeof request.priority === 'string') {
       const priority =
-          Components.uiLabelForPriority(/** @type {!Protocol.Network.ResourcePriority} */ (request.priority));
+          NetworkConditions.uiLabelForPriority(/** @type {!Protocol.Network.ResourcePriority} */ (request.priority));
       contentHelper.appendTextRow(Common.UIString('Priority'), priority);
     }
     if (request.mimeType)
@@ -1453,8 +1453,7 @@ Timeline.TimelineUIUtils = class {
           'gpu', Common.UIString('GPU'), false, 'hsl(109, 33%, 64%)', 'hsl(109, 33%, 55%)'),
       other:
           new Timeline.TimelineCategory('other', Common.UIString('Other'), false, 'hsl(0, 0%, 87%)', 'hsl(0, 0%, 79%)'),
-      idle: new Timeline.TimelineCategory(
-          'idle', Common.UIString('Idle'), false, 'hsl(0, 0%, 98%)', 'hsl(0, 0%, 98%)')
+      idle: new Timeline.TimelineCategory('idle', Common.UIString('Idle'), false, 'hsl(0, 0%, 98%)', 'hsl(0, 0%, 98%)')
     };
     return Timeline.TimelineUIUtils._categories;
   }