DevTools: do not subscribe to global object events from the widgets that are...

DevTools: do not subscribe to global object events from the widgets that are not necessarily disposed.

Review-Url: https://codereview.chromium.org/2615753003
Cr-Commit-Position: refs/heads/master@{#441767}

third_party/WebKit/Source/devtools/front_end/sources/OpenResourceDialog.js

@@ -27,7 +27,8 @@ Sources.OpenResourceDialog = class extends Sources.FilteredUISourceCodeListDeleg
    */
   static show(sourcesView, query, defaultScores, history) {
     var dialog = new Sources.OpenResourceDialog(sourcesView, defaultScores, history);
-    Sources.OpenResourceDialog._instanceForTest = dialog;
+    if (InspectorFrontendHost.isUnderTest())
+      Sources.OpenResourceDialog._instanceForTest = dialog;
     var filteredItemSelectionDialog = new UI.FilteredListWidget(dialog);
     filteredItemSelectionDialog.showAsDialog();
     filteredItemSelectionDialog.setQuery(query);

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

@@ -120,7 +120,6 @@ UI.TextPrompt = class extends Common.Object {
     this._element.addEventListener('mousewheel', this._boundOnMouseWheel, false);
     this._element.addEventListener('selectstart', this._boundClearAutocomplete, false);
     this._element.addEventListener('blur', this._boundClearAutocomplete, false);
-    this._element.ownerDocument.defaultView.addEventListener('resize', this._boundClearAutocomplete, false);
 
     this._suggestBox = new UI.SuggestBox(this, 20, true);
 
@@ -209,7 +208,6 @@ UI.TextPrompt = class extends Common.Object {
     this._element.removeEventListener('input', this._boundOnInput, false);
     this._element.removeEventListener('selectstart', this._boundClearAutocomplete, false);
     this._element.removeEventListener('blur', this._boundClearAutocomplete, false);
-    this._element.ownerDocument.defaultView.removeEventListener('resize', this._boundClearAutocomplete, false);
     if (this._isEditing)
       this._stopEditing();
     if (this._suggestBox)