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

chrome/browser/cocoa/info_bubble_view.mm

 // Copyright (c) 2009 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #import "chrome/browser/cocoa/info_bubble_view.h"
 
 #include "base/logging.h"
 #include "base/scoped_nsobject.h"
 #import "third_party/GTM/AppKit/GTMNSColor+Luminance.h"
 
@@ skipping 74 matching lines @@
                                                        glowColor, 0.75,
                                                        nil]);
 
     [gradient.get() drawInBezierPath:bezier angle:0.0];
   } else if (bubbleType_ == kWhiteInfoBubble) {
     [[NSColor whiteColor] set];
     [bezier fill];
   }
 }
 
+- (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