[DanglingPtr] Fix WebUIBubbleManagerImpl dangling patch

A patch was added to `WebUIBubbleManagerImpl` when enabling the dangling
pointer detector on Linux, as a temporary measure. This change corrects
the the underlying issue requiring this pointer to be marked as
dangling.

Resolves brave/brave-browser#42196

patches/chrome-browser-ui-views-bubble-webui_bubble_manager.h.patch

@@ -1,8 +1,8 @@
 diff --git a/chrome/browser/ui/views/bubble/webui_bubble_manager.h b/chrome/browser/ui/views/bubble/webui_bubble_manager.h
-index edd7d37a12e182cc663db4e565b8a9edb12e0c70..043ec6578181c02b4bad4d59769287cee6f91907 100644
+index edd7d37a12e182cc663db4e565b8a9edb12e0c70..e90187359fc82f33135212fb627ac07d495076d0 100644
 --- a/chrome/browser/ui/views/bubble/webui_bubble_manager.h
 +++ b/chrome/browser/ui/views/bubble/webui_bubble_manager.h
-@@ -165,11 +165,13 @@ class WebUIBubbleManagerImpl : public WebUIBubbleManager {
+@@ -165,9 +165,11 @@ class WebUIBubbleManagerImpl : public WebUIBubbleManager {
 
   private:
    // WebUIBubbleManager:
@@ -12,8 +12,5 @@ index edd7d37a12e182cc663db4e565b8a9edb12e0c70..043ec6578181c02b4bad4d59769287ce
        views::BubbleBorder::Arrow arrow) override;
 + private:
 
--  const raw_ptr<views::View> anchor_view_;
-+  const raw_ptr<views::View, DanglingUntriaged> anchor_view_;
+   const raw_ptr<views::View> anchor_view_;
    const raw_ptr<Profile, DanglingUntriaged> profile_;
-   const GURL webui_url_;
-   const int task_manager_string_id_;