Change how the calculation is performed for determining the location of the a...

chrome/browser/cocoa/info_bubble_view.mm

Index: chrome/browser/cocoa/info_bubble_view.mm
===================================================================
--- chrome/browser/cocoa/info_bubble_view.mm	(revision 43634)
+++ chrome/browser/cocoa/info_bubble_view.mm	(working copy)
@@ -92,4 +92,22 @@
   }
 }
 
+- (NSPoint)arrowTip {
+  NSRect bounds = [self bounds];
+  NSPoint arrowTip = NSMakePoint(NSMaxX(bounds), NSMaxY(bounds));
+  CGFloat tipXOffset = kBubbleArrowXOffset + kBubbleArrowWidth / 2.0;
+  switch (arrowLocation_) {
+    case kTopLeft:
+      arrowTip.x = tipXOffset;
+      break;
+    case kTopRight:
+      arrowTip.x -= tipXOffset;
+      break;
+    default:
+      NOTREACHED();
+      break;
+  }
+  return arrowTip;
+}
+
 @end