DevTools: "Delete File" in navigator should actually delete a file

third_party/WebKit/Source/devtools/front_end/snippets/ScriptSnippetModel.js

Index: third_party/WebKit/Source/devtools/front_end/snippets/ScriptSnippetModel.js
diff --git a/third_party/WebKit/Source/devtools/front_end/snippets/ScriptSnippetModel.js b/third_party/WebKit/Source/devtools/front_end/snippets/ScriptSnippetModel.js
index 38d66abb22fabbfdd32e2de08207fe8a9cdb98f2..ca8b6ca1e1208b4c56cc6a066c2f3dd6270ed696 100644
--- a/third_party/WebKit/Source/devtools/front_end/snippets/ScriptSnippetModel.js
+++ b/third_party/WebKit/Source/devtools/front_end/snippets/ScriptSnippetModel.js
@@ -121,12 +121,9 @@ Snippets.ScriptSnippetModel = class extends Common.Object {
   }
 
   /**
-   * @param {string} url
+   * @param {!Workspace.UISourceCode} uiSourceCode
    */
-  deleteScriptSnippet(url) {
-    var uiSourceCode = this._project.uiSourceCodeForURL(url);
-    if (!uiSourceCode)
-      return;
+  deleteScriptSnippet(uiSourceCode) {
     var snippetId = this._snippetIdForUISourceCode.get(uiSourceCode) || '';
     var snippet = this._snippetStorage.snippetForId(snippetId);
     if (!snippet)
@@ -612,10 +609,10 @@ Snippets.SnippetsProject = class extends Bindings.ContentProviderBasedProject {
 
   /**
    * @override
-   * @param {string} url
+   * @param {!Workspace.UISourceCode} uiSourceCode
    */
-  deleteFile(url) {
-    this._model.deleteScriptSnippet(url);
+  deleteFile(uiSourceCode) {
+    this._model.deleteScriptSnippet(uiSourceCode);
   }
 };