Tab Search: Apply rounded corners to NativeViewHost

Bug: 1099917
Change-Id: I488e14cd7389bd920d022c3e4d2394d30b292b5a
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/2370737
Commit-Queue: Thomas Lukaszewicz <tluk@chromium.org>
Reviewed-by: Robert Liao <robliao@chromium.org>
Cr-Commit-Position: refs/heads/master@{#801633}

chrome/browser/ui/views/tab_search/tab_search_bubble_view.cc

@@ -8,6 +8,7 @@
 #include "base/timer/elapsed_timer.h"
 #include "chrome/browser/ui/webui/tab_search/tab_search_ui.h"
 #include "chrome/common/webui_url_constants.h"
+#include "ui/gfx/geometry/rounded_corners_f.h"
 #include "ui/views/controls/webview/webview.h"
 #include "ui/views/layout/fill_layout.h"
 #include "ui/views/widget/widget.h"
@@ -112,6 +113,11 @@ gfx::Size TabSearchBubbleView::CalculatePreferredSize() const {
   return preferred_size;
 }
 
+void TabSearchBubbleView::AddedToWidget() {
+  BubbleDialogDelegateView::AddedToWidget();
+  web_view_->holder()->SetCornerRadii(gfx::RoundedCornersF(GetCornerRadius()));
+}
+
 void TabSearchBubbleView::OnWebViewSizeChanged() {
   SizeToContents();
 }

chrome/browser/ui/views/tab_search/tab_search_bubble_view.h

@@ -41,6 +41,7 @@ class TabSearchBubbleView : public views::BubbleDialogDelegateView {
 
   // views::BubbleDialogDelegateView:
   gfx::Size CalculatePreferredSize() const override;
+  void AddedToWidget() override;
 
   void OnWebViewSizeChanged();