[ios] Increase Spacing in ClearBrowsingDataTableView Rows.

Before Screenshot: https://drive.google.com/file/d/18YJwgnQAsZ2c0YV2fDVx_p8oDwOPAUPy/view?usp=sharing
After Screenshot: https://drive.google.com/file/d/1_V8gJ9lD76oCwC95T-_ZK16ThncguFnI/view?usp=sharing

Change-Id: I7d57917ae1e330c6d109d5676b84eb5d87f3ff2d
Reviewed-on: https://chromium-review.googlesource.com/1114140Reviewed-by: Sergio Collazos <sczs@chromium.org>
Commit-Queue: Chris Lu <thegreenfrog@chromium.org>
Cr-Commit-Position: refs/heads/master@{#570268}

ios/chrome/browser/ui/table_view/cells/table_view_cells_constants.h

@@ -13,7 +13,7 @@ extern const CGFloat kTableViewHeaderFooterViewHeight;
 // The horizontal spacing between views and the container view of a cell.
 extern const CGFloat kTableViewHorizontalSpacing;
 
-// The vertical spacing between views and the container view of a cell
+// The vertical spacing between views and the container view of a cell.
 extern const CGFloat kTableViewVerticalSpacing;
 
 // The horizontal spacing between subviews within the container view.

ios/chrome/browser/ui/table_view/cells/table_view_text_item.mm

@@ -13,6 +13,11 @@
 #error "This file requires ARC support."
 #endif
 
+namespace {
+// Vertical spacing between label and the container view of a cell.
+const CGFloat kLabelCellVerticalSpacing = 11.0;
+}  // namespace
+
 #pragma mark - TableViewTextItem
 
 @implementation TableViewTextItem
@@ -78,10 +83,10 @@
           constraintEqualToAnchor:self.contentView.leadingAnchor
                          constant:kTableViewHorizontalSpacing],
       [_textLabel.topAnchor constraintEqualToAnchor:self.contentView.topAnchor
-                                           constant:kTableViewVerticalSpacing],
+                                           constant:kLabelCellVerticalSpacing],
       [_textLabel.bottomAnchor
           constraintEqualToAnchor:self.contentView.bottomAnchor
-                         constant:-kTableViewVerticalSpacing],
+                         constant:-kLabelCellVerticalSpacing],
       [_textLabel.trailingAnchor
           constraintEqualToAnchor:self.contentView.trailingAnchor
                          constant:-kTableViewHorizontalSpacing]