[Autofill] Reduce large padding on card unmask dialog

As requested by bettes@, reduce default padding to 8px

Bug: 820619
Change-Id: Idb708763cfc3e5b1dcee456e7429d0ce28ced4b1
Reviewed-on: https://chromium-review.googlesource.com/958087
Commit-Queue: Jared Saul <jsaul@google.com>
Reviewed-by: Bret Sepulveda <bsep@chromium.org>
Reviewed-by: Trent Apted <tapted@chromium.org>
Reviewed-by: Evan Stade <estade@chromium.org>
Reviewed-by: anthonyvd <anthonyvd@chromium.org>
Reviewed-by: Michael Wasserman <msw@chromium.org>
Cr-Commit-Position: refs/heads/master@{#543177}

ui/views/bubble/info_bubble.cc

@@ -11,6 +11,7 @@
 #include "ui/views/bubble/bubble_frame_view.h"
 #include "ui/views/controls/label.h"
 #include "ui/views/layout/fill_layout.h"
+#include "ui/views/layout/layout_provider.h"
 #include "ui/views/widget/widget.h"
 
 namespace views {
@@ -20,10 +21,6 @@ namespace {
 // The visible width of bubble borders (differs from the actual width) in px.
 const int kBubbleBorderVisibleWidth = 1;
 
-// The margin between the content of the error bubble and its border.
-const int kInfoBubbleHorizontalMargin = 14;
-const int kInfoBubbleVerticalMargin = 12;
-
 }  // namespace
 
 class InfoBubbleFrame : public BubbleFrameView {
@@ -52,8 +49,8 @@ InfoBubble::InfoBubble(View* anchor, const base::string16& message)
   DCHECK(anchor_);
   SetAnchorView(anchor_);
 
-  set_margins(
-      gfx::Insets(kInfoBubbleVerticalMargin, kInfoBubbleHorizontalMargin));
+  set_margins(LayoutProvider::Get()->GetInsetsMetric(
+      InsetsMetric::INSETS_TOOLTIP_BUBBLE));
   set_can_activate(false);
 
   SetLayoutManager(std::make_unique<FillLayout>());

ui/views/layout/layout_provider.cc

@@ -58,6 +58,8 @@ gfx::Insets LayoutProvider::GetInsetsMetric(int metric) const {
       return gfx::Insets(dialog_insets.top(), dialog_insets.left(), 0,
                          dialog_insets.right());
     }
+    case InsetsMetric::INSETS_TOOLTIP_BUBBLE:
+      return gfx::Insets(8);
     case InsetsMetric::INSETS_CHECKBOX_RADIO_BUTTON:
       return gfx::Insets(5, 6);
     case InsetsMetric::INSETS_VECTOR_IMAGE_BUTTON:

ui/views/layout/layout_provider.h

@@ -32,6 +32,8 @@ enum InsetsMetric {
   // The margins around the icon/title of a dialog. The bottom margin is implied
   // by the content insets and the other margins overlap with INSETS_DIALOG.
   INSETS_DIALOG_TITLE,
+  // The margins around the edges of a tooltip bubble.
+  INSETS_TOOLTIP_BUBBLE,
   // Padding to add to vector image buttons to increase their click and touch
   // target size.
   INSETS_VECTOR_IMAGE_BUTTON,