Replace info_bubble::BubbleArrowLocation with views::BubbleBorder::Arrow

chrome/browser/ui/cocoa/base_bubble_controller.mm

Index: chrome/browser/ui/cocoa/base_bubble_controller.mm
diff --git a/chrome/browser/ui/cocoa/base_bubble_controller.mm b/chrome/browser/ui/cocoa/base_bubble_controller.mm
index 17516253c1f3a835d3d76331071791d6c6e5be7b..b6862dc43da443787835740415437381dacf8f0f 100644
--- a/chrome/browser/ui/cocoa/base_bubble_controller.mm
+++ b/chrome/browser/ui/cocoa/base_bubble_controller.mm
@@ -106,7 +106,7 @@
                                                                   self));
   }
 
-  [bubble_ setArrowLocation:info_bubble::kTopRight];
+  [bubble_ setArrowLocation:views::BubbleBorder::TOP_RIGHT];
 }
 
 - (void)dealloc {
@@ -334,17 +334,20 @@
                                   info_bubble::kBubbleArrowWidth / 2.0, 0);
       offsets = [[parentWindow_ contentView] convertSize:offsets toView:nil];
       switch ([bubble_ arrowLocation]) {
-        case info_bubble::kTopRight:
+        case views::BubbleBorder::TOP_RIGHT:
           origin.x -= NSWidth([window frame]) - offsets.width;
           break;
-        case info_bubble::kTopLeft:
+        case views::BubbleBorder::TOP_LEFT:
           origin.x -= offsets.width;
           break;
-        case info_bubble::kNoArrow:
+        case views::BubbleBorder::NONE:
         // FALLTHROUGH.
-        case info_bubble::kTopCenter:
+        case views::BubbleBorder::TOP_CENTER:
           origin.x -= NSWidth([window frame]) / 2.0;
           break;
+        default:
+          // Mac bubbles currently don't use other enums.
+          NOTREACHED();
       }
       break;
     }
@@ -354,7 +357,7 @@
       // edge aligns with the anchor. If the arrow is to the left then there's
       // nothing to do because the left edge is already aligned with the left
       // edge of the anchor.
-      if ([bubble_ arrowLocation] == info_bubble::kTopRight) {
+      if ([bubble_ arrowLocation] == views::BubbleBorder::TOP_RIGHT) {
         origin.x -= NSWidth([window frame]);
       }
       break;