Address some bubble clipping issues

ui/views/bubble/bubble_frame_view.cc

Index: ui/views/bubble/bubble_frame_view.cc
diff --git a/ui/views/bubble/bubble_frame_view.cc b/ui/views/bubble/bubble_frame_view.cc
index 3e63de96a220a0eac2563d6fa2a896b96b7f7cc3..6872b0b662e08da9743e79ce09d090e7008c2ead 100644
--- a/ui/views/bubble/bubble_frame_view.cc
+++ b/ui/views/bubble/bubble_frame_view.cc
@@ -12,6 +12,8 @@
 #include "ui/base/hit_test.h"
 #include "ui/base/l10n/l10n_util.h"
 #include "ui/base/resource/resource_bundle.h"
+#include "ui/compositor/paint_context.h"
+#include "ui/compositor/paint_recorder.h"
 #include "ui/gfx/geometry/vector2d.h"
 #include "ui/gfx/path.h"
 #include "ui/gfx/screen.h"
@@ -134,6 +136,14 @@ gfx::Rect BubbleFrameView::GetWindowBoundsForClientBounds(
   return bubble_border_->GetBounds(gfx::Rect(), size);
 }
 
+bool BubbleFrameView::GetClientMask(const gfx::Size& size,
+                                    gfx::Path* path) const {
+  const int radius = bubble_border_->GetBorderCornerRadius();
+  path->addRoundRect(gfx::RectToSkRect(gfx::Rect(gfx::Point(), size)), radius,
+                     radius);
+  return true;
+}
+
 int BubbleFrameView::NonClientHitTest(const gfx::Point& point) {
   if (!bounds().Contains(point))
     return HTNOWHERE;
@@ -217,6 +227,10 @@ void BubbleFrameView::SetTitleFontList(const gfx::FontList& font_list) {
   title_->SetFontList(font_list);
 }
 
+const char* BubbleFrameView::GetClassName() const {
+  return kViewClassName;
+}
+
 gfx::Insets BubbleFrameView::GetInsets() const {
   gfx::Insets insets = content_margins_;
 
@@ -317,10 +331,6 @@ void BubbleFrameView::Layout() {
   }
 }
 
-const char* BubbleFrameView::GetClassName() const {
-  return kViewClassName;
-}
-
 void BubbleFrameView::OnThemeChanged() {
   UpdateWindowTitle();
   ResetWindowControls();
@@ -335,6 +345,19 @@ void BubbleFrameView::OnNativeThemeChanged(const ui::NativeTheme* theme) {
   }
 }
 
+void BubbleFrameView::OnPaint(gfx::Canvas* canvas) {
+  OnPaintBackground(canvas);
+  // Border comes after children.
+}
+
+void BubbleFrameView::PaintChildren(const ui::PaintContext& context) {
+  NonClientFrameView::PaintChildren(context);
+
+  ui::PaintCache paint_cache;
+  ui::PaintRecorder recorder(context, size(), &paint_cache);
+  OnPaintBorder(recorder.canvas());
+}
+
 void BubbleFrameView::ButtonPressed(Button* sender, const ui::Event& event) {
   if (sender == close_) {
     close_button_clicked_ = true;