Tune the account chooser on Mac.

chrome/browser/ui/cocoa/passwords/credential_item_button.mm

 // Copyright 2016 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/passwords/credential_item_button.h"
 
 #import "base/mac/scoped_nsobject.h"
 #include "base/strings/sys_string_conversions.h"
 #include "chrome/browser/ui/cocoa/passwords/passwords_bubble_utils.h"
 #include "chrome/browser/ui/passwords/manage_passwords_view_utils.h"
 #include "grit/theme_resources.h"
 #include "ui/base/l10n/l10n_util.h"
 #include "ui/base/resource/resource_bundle.h"
 #include "ui/gfx/image/image_skia.h"
 #include "ui/gfx/image/image_skia_util_mac.h"
 #include "ui/gfx/scoped_ns_graphics_context_save_gstate_mac.h"
 
 namespace {
-constexpr CGFloat kFocusRingLineWidth = 2;
+constexpr CGFloat kFocusRingInset = 3;
 constexpr CGFloat kHorizontalPaddingBetweenAvatarAndLabel = 10;
 }  // namespace
 
 // Custom button cell that adds a left padding before the avatar, and a custom
 // spacing between the avatar and label.
 @interface CredentialItemButtonCell : NSButtonCell {
  @private
   // Padding added to the left margin of the button.
   int marginSpacing_;
   // Spacing between the cell image and title.
@@ skipping 37 matching lines @@
   [super drawImage:image withFrame:frame inView:controlView];
 }
 
 - (NSSize)cellSize {
   NSSize buttonSize = [super cellSize];
   buttonSize.width += imageTitleSpacing_;
   buttonSize.width += 2 * marginSpacing_;
   return buttonSize;
 }
 
-- (NSFocusRingType)focusRingType {
-  // This is taken care of by the custom drawing code.
-  return NSFocusRingTypeNone;
-}
+- (void)drawFocusRingMaskWithFrame:(NSRect)cellFrame
+                            inView:(NSView *)controlView {
+  NSRect focusRingRect =
+      NSInsetRect(cellFrame, kFocusRingInset, kFocusRingInset);
 
-- (void)drawWithFrame:(NSRect)frame inView:(NSView*)controlView {
-  [super drawInteriorWithFrame:frame inView:controlView];
-
-  // Focus ring.
-  if ([self showsFirstResponder]) {
-    NSRect focusRingRect =
-        NSInsetRect(frame, kFocusRingLineWidth, kFocusRingLineWidth);
-    // TODO(vasilii): When we are targetting 10.7, we should change this to use
-    // -drawFocusRingMaskWithFrame instead.
-    [[[NSColor keyboardFocusIndicatorColor] colorWithAlphaComponent:1] set];
-    NSBezierPath* path = [NSBezierPath bezierPathWithRect:focusRingRect];
-    [path setLineWidth:kFocusRingLineWidth];
-    [path stroke];
-  }
+  [[NSBezierPath bezierPathWithRoundedRect:focusRingRect
+                                   xRadius:2
+                                   yRadius:2] fill];
 }
 
 @end
 
 @interface CredentialItemButton () {
   base::scoped_nsobject<NSColor> backgroundColor_;
   base::scoped_nsobject<NSColor> hoverColor_;
 }
 @end
 
@@ skipping 41 matching lines @@
 
   NSColor* backgroundColor = isHighlighted ? hoverColor_ : backgroundColor_;
   [[self cell] setBackgroundColor:backgroundColor];
 }
 
 - (BOOL)canBecomeKeyView {
   return YES;
 }
 
 @end