[rAc] [OSX] Set tooltip bubble arrow's anchor point based on the icon location.

chrome/browser/ui/cocoa/autofill/autofill_tooltip_controller.mm

 // Copyright 2013 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/ui/cocoa/autofill/autofill_tooltip_controller.h"
 
 #include "base/mac/foundation_util.h"
 #import "chrome/browser/ui/cocoa/autofill/autofill_bubble_controller.h"
 #import "ui/base/cocoa/hover_image_button.h"
 
@@ skipping 48 matching lines @@
 }
 
 @end
 
 #pragma mark AutofillTooltipController
 
 @implementation AutofillTooltipController
 
 @synthesize message = message_;
 
-- (id)init {
+- (id)initWithArrowLocation:(info_bubble::BubbleArrowLocation)arrowLocation {
   if ((self = [super init])) {
+    arrowLocation_ = arrowLocation;
     view_.reset([[AutofillTooltip alloc] init]);
     [self setView:view_];
     [view_ setTooltipDelegate:self];
   }
   return self;
 }
 
 - (void)dealloc {
   [[NSNotificationCenter defaultCenter]
       removeObserver:self
@@ skipping 20 matching lines @@
 - (void)tooltipWindowWillClose:(NSNotification*)notification {
   bubbleController_ = nil;
 }
 
 - (void)displayHover {
   [bubbleController_ close];
   bubbleController_ =
     [[AutofillBubbleController alloc]
         initWithParentWindow:[[self view] window]
                      message:[self message]
-                       inset:NSMakeSize(kTooltipInset, kTooltipInset)];
+                       inset:NSMakeSize(kTooltipInset, kTooltipInset)
+               arrowLocation:arrowLocation_];
 
   // Handle bubble self-deleting.
   NSNotificationCenter* center = [NSNotificationCenter defaultCenter];
   [center addObserver:self
              selector:@selector(tooltipWindowWillClose:)
                  name:NSWindowWillCloseNotification
                object:[bubbleController_ window]];
 
   // Compute anchor point (in window coords - views might be flipped).
   NSRect viewRect = [view_ convertRect:[view_ bounds] toView:nil];
@@ skipping 11 matching lines @@
   [NSObject cancelPreviousPerformRequestsWithTarget:self];
   // Start a timer to display the tooltip, unless it's already hidden.
   if (bubbleController_) {
     [self performSelector:@selector(hideHover)
                withObject:nil
                afterDelay:kTooltipDelay];
   }
 }
 
 @end