Remove dead code from BubbleDialogDelegateView.

The use of up and down to manage focus inside bubbles is managed by
FocusManager::ProcessArrowKeyTraversal since
https://crrev.com/c/2503988

Bug: None
Change-Id: I3a0e0afac38b07080fcbf65231e123b6ef0fa6d3
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/2537671Reviewed-by: Dana Fried <dfried@chromium.org>
Commit-Queue: Jacobo Aragunde Pérez <jaragunde@igalia.com>
Cr-Commit-Position: refs/heads/master@{#827587}

ui/views/bubble/bubble_dialog_delegate_view.cc

@@ -409,17 +409,6 @@ ClientView* BubbleDialogDelegate::CreateClientView(Widget* widget) {
   return client_view_;
 }
 
-bool BubbleDialogDelegateView::AcceleratorPressed(
-    const ui::Accelerator& accelerator) {
-  if (accelerator.key_code() == ui::VKEY_DOWN ||
-      accelerator.key_code() == ui::VKEY_UP) {
-    // Move the focus up or down.
-    GetFocusManager()->AdvanceFocus(accelerator.key_code() != ui::VKEY_DOWN);
-    return true;
-  }
-  return View::AcceleratorPressed(accelerator);
-}
-
 Widget* BubbleDialogDelegateView::GetWidget() {
   return View::GetWidget();
 }

ui/views/bubble/bubble_dialog_delegate_view.h

@@ -12,7 +12,6 @@
 #include "base/scoped_observer.h"
 #include "build/build_config.h"
 #include "ui/accessibility/ax_enums.mojom-forward.h"
-#include "ui/base/accelerators/accelerator.h"
 #include "ui/base/class_property.h"
 #include "ui/views/bubble/bubble_border.h"
 #include "ui/views/bubble/bubble_frame_view.h"
@@ -31,10 +30,6 @@ namespace gfx {
 class Rect;
 }
 
-namespace ui {
-class Accelerator;
-}  // namespace ui
-
 namespace ui_devtools {
 class PageAgentViews;
 }
@@ -411,7 +406,6 @@ class VIEWS_EXPORT BubbleDialogDelegateView : public BubbleDialogDelegate,
   Widget* GetWidget() override;
   const Widget* GetWidget() const override;
   void AddedToWidget() override;
-  bool AcceleratorPressed(const ui::Accelerator& accelerator) override;
 
  protected:
   // Disallow overrides of GetMinimumSize and GetMaximumSize(). These would only