DevTools: Only show gutter diff for Network UISourceCodes

third_party/WebKit/Source/devtools/front_end/source_frame/UISourceCodeFrame.js

 /*
  * Copyright (C) 2012 Google Inc. All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions are
  * met:
  *
  * 1. Redistributions of source code must retain the above copyright
  * notice, this list of conditions and the following disclaimer.
  *
@@ skipping 21 matching lines @@
 SourceFrame.UISourceCodeFrame = class extends SourceFrame.SourceFrame {
   /**
    * @param {!Workspace.UISourceCode} uiSourceCode
    */
   constructor(uiSourceCode) {
     super(uiSourceCode.contentURL(), workingCopy);
     this._uiSourceCode = uiSourceCode;
     this.setEditable(this._canEditSource());
 
     if (Runtime.experiments.isEnabled('sourceDiff'))
-      this._diff = new SourceFrame.SourceCodeDiff(WorkspaceDiff.workspaceDiff(), uiSourceCode, this.textEditor);
+      this._diff = new SourceFrame.SourceCodeDiff(WorkspaceDiff.workspaceDiff(), this.textEditor);
 
 
     /** @type {?UI.AutocompleteConfig} */
     this._autocompleteConfig = {isWordChar: Common.TextUtils.isWordChar};
     Common.moduleSetting('textEditorAutocompletion').addChangeListener(this._updateAutocomplete, this);
     this._updateAutocomplete();
 
     /** @type {?Persistence.PersistenceBinding} */
     this._persistenceBinding = Persistence.persistence.binding(uiSourceCode);
 
@@ skipping 12 matching lines @@
     Persistence.persistence.subscribeForBindingEvent(this._uiSourceCode, this._onBindingChanged.bind(this));
 
     this.textEditor.addEventListener(
         SourceFrame.SourcesTextEditor.Events.EditorBlurred,
         () => UI.context.setFlavor(SourceFrame.UISourceCodeFrame, null));
     this.textEditor.addEventListener(
         SourceFrame.SourcesTextEditor.Events.EditorFocused,
         () => UI.context.setFlavor(SourceFrame.UISourceCodeFrame, this));
 
     this._updateStyle();
+    this._updateDiffUISourceCode();
 
     this._errorPopoverHelper = new UI.PopoverHelper(this.element);
     this._errorPopoverHelper.initializeCallbacks(this._getErrorAnchor.bind(this), this._showErrorPopover.bind(this));
     this._errorPopoverHelper.setHasPadding(true);
 
     this._errorPopoverHelper.setTimeout(100, 100);
 
     /**
      * @return {!Promise<?string>}
      */
@@ skipping 146 matching lines @@
       this._removeMessageFromSource(message);
     Common.EventTarget.removeEventListeners(this._messageAndDecorationListeners);
 
     this._persistenceBinding = binding;
 
     for (var message of this._allMessages())
       this._addMessageToSource(message);
     this._installMessageAndDecorationListeners();
     this._updateStyle();
     this._decorateAllTypes();
+    this._updateDiffUISourceCode();
     this.onBindingChanged();
   }
 
   /**
    * @protected
    */
   onBindingChanged() {
     // Overriden in subclasses.
   }
 
+  _updateDiffUISourceCode() {
+    if (!this._diff)
+      return;
+    if (this._persistenceBinding)
+      this._diff.setUISourceCode(this._persistenceBinding.network);
+    else if (this._uiSourceCode.project().type() === Workspace.projectTypes.Network)
+      this._diff.setUISourceCode(this._uiSourceCode);
+    else
+      this._diff.setUISourceCode(null);
+  }
+
   _updateStyle() {
     this.element.classList.toggle(
         'source-frame-unsaved-committed-changes',
         Persistence.persistence.hasUnsavedCommittedChanges(this._uiSourceCode));
     this.setEditable(this._canEditSource());
   }
 
   onUISourceCodeContentChanged() {
   }
 
@@ skipping 421 matching lines @@
 
 /**
  * @param {!Workspace.UISourceCode.Message} a
  * @param {!Workspace.UISourceCode.Message} b
  * @return {number}
  */
 Workspace.UISourceCode.Message.messageLevelComparator = function(a, b) {
   return Workspace.UISourceCode.Message._messageLevelPriority[a.level()] -
       Workspace.UISourceCode.Message._messageLevelPriority[b.level()];
 };