[AdTagging] Frontend: Rename "Highlight ad frames" to "Highlight ads"

Ad-tagging coverage has expanded beyond frame elements to include <img>
tags and elements with `background-image`.

This CL updates the frontend string to reflect this broader scope.

Screenshot:
https://issues.chromium.org/u/1/action/issues/459135673/attachments/70892410?download=false

Bug: 459135673
Change-Id: Ie8c29b751ae71fb92ce4747a5669960f1a6a9688
Reviewed-on: https://chromium-review.googlesource.com/c/devtools/devtools-frontend/+/7138718
Reviewed-by: Simon Zünd <[email protected]>
Reviewed-by: Alex Rudenko <[email protected]>
Commit-Queue: Simon Zünd <[email protected]>

Author: yaoxiachromium

front_end/entrypoints/inspector_main/RenderingOptions.ts

@@ -66,13 +66,13 @@ const UIStrings = {
       'Highlights elements (teal) that can slow down scrolling, including touch & wheel event handlers and other main-thread scrolling situations.',
   /**
    * @description The name of a checkbox setting in the Rendering tool. This setting highlights the
-   * rendering frames for ads that are found on the page.
+   * rendering elements for ads that are found on the page.
    */
-  highlightAdFrames: 'Highlight ad frames',
+  highlightAds: 'Highlight ads',
   /**
-   * @description Explanation text for the 'Highlight ad frames' setting in the Rendering tool.
+   * @description Explanation text for the 'Highlight ads' setting in the Rendering tool.
    */
-  highlightsFramesRedDetectedToBe: 'Highlights frames (red) detected to be ads.',
+  highlightsElementsRedDetectedToBe: 'Highlights elements (red) detected to be ads.',
   /**
    * @description The name of a checkbox setting in the Rendering tool. This setting prevents the
    * webpage from loading 'local' fonts. Local fonts are fonts that are installed on the user's
@@ -207,7 +207,7 @@ export class RenderingOptionsView extends UI.Widget.VBox {
         i18nString(UIStrings.scrollingPerformanceIssues), i18nString(UIStrings.highlightsElementsTealThatCan),
         Common.Settings.Settings.instance().moduleSetting('show-scroll-bottleneck-rects'));
     this.#appendCheckbox(
-        i18nString(UIStrings.highlightAdFrames), i18nString(UIStrings.highlightsFramesRedDetectedToBe),
+        i18nString(UIStrings.highlightAds), i18nString(UIStrings.highlightsElementsRedDetectedToBe),
         Common.Settings.Settings.instance().moduleSetting('show-ad-highlights'));
     this.#appendCheckbox(
         i18nString(UIStrings.disableLocalFonts), i18nString(UIStrings.disablesLocalSourcesInFontface),