Update tab hover card spacing constant names.

Bug: 910739
Change-Id: Iae4fc31e8a9871426bd8e486a6c46e6c710597bd
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/1850775
Auto-Submit: Caroline Rising <corising@chromium.org>
Reviewed-by: Peter Boström <pbos@chromium.org>
Commit-Queue: Caroline Rising <corising@chromium.org>
Cr-Commit-Position: refs/heads/master@{#704683}

chrome/browser/ui/views/tabs/tab_hover_card_bubble_view.cc

@@ -347,22 +347,22 @@ TabHoverCardBubbleView::TabHoverCardBubbleView(Tab* tab)
   layout->SetCrossAxisAlignment(views::LayoutAlignment::kStretch);
   layout->SetCollapseMargins(true);
 
-  constexpr int kHorizontalMargin = 12;
-  constexpr int kVerticalMargin = 18;
+  constexpr int kVerticalMargin = 12;
+  constexpr int kHorizontalMargin = 18;
   constexpr int kLineSpacing = 0;
   title_label_->SetProperty(views::kMarginsKey,
-                            gfx::Insets(kHorizontalMargin, kVerticalMargin,
-                                        kLineSpacing, kVerticalMargin));
+                            gfx::Insets(kVerticalMargin, kHorizontalMargin,
+                                        kLineSpacing, kHorizontalMargin));
   title_label_->SetProperty(views::kFlexBehaviorKey,
                             views::FlexSpecification::ForSizeRule(
                                 views::MinimumFlexSizeRule::kScaleToMinimum,
                                 views::MaximumFlexSizeRule::kPreferred));
   alert_state_label_->SetProperty(views::kMarginsKey,
-                                  gfx::Insets(kLineSpacing, kVerticalMargin,
-                                              kLineSpacing, kVerticalMargin));
+                                  gfx::Insets(kLineSpacing, kHorizontalMargin,
+                                              kLineSpacing, kHorizontalMargin));
   domain_label_->SetProperty(views::kMarginsKey,
-                             gfx::Insets(kLineSpacing, kVerticalMargin,
-                                         kHorizontalMargin, kVerticalMargin));
+                             gfx::Insets(kLineSpacing, kHorizontalMargin,
+                                         kVerticalMargin, kHorizontalMargin));
 
   widget_ = views::BubbleDialogDelegateView::CreateBubble(this);
   set_adjust_if_offscreen(true);