Add "Sign In" button to the account chooser on Mac.

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

 // Copyright 2015 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/passwords_bubble_utils.h"
 
 #include "base/mac/scoped_nsobject.h"
 #include "base/strings/sys_string_conversions.h"
 #include "chrome/browser/ui/chrome_style.h"
 #include "skia/ext/skia_utils_mac.h"
@@ skipping 89 matching lines @@
   base::scoped_nsobject<NSButton> button(
       [[NSButton alloc] initWithFrame:NSZeroRect]);
   [button setFont:[NSFont systemFontOfSize:[NSFont smallSystemFontSize]]];
   [button setTitle:title];
   [button setBezelStyle:NSRoundedBezelStyle];
   [[button cell] setControlSize:NSSmallControlSize];
   [button sizeToFit];
   return button.autorelease();
 }
 
+NSButton* BiggerDialogButton(NSString* title) {
+  base::scoped_nsobject<NSButton> button(
+      [[NSButton alloc] initWithFrame:NSZeroRect]);
+  CGFloat fontSize = [NSFont systemFontSizeForControlSize:NSRegularControlSize];
+  [button setFont:[NSFont systemFontOfSize:fontSize]];
+  [button setTitle:title];
+  [button setBezelStyle:NSRoundedBezelStyle];
+  [[button cell] setControlSize:NSRegularControlSize];
+  [button sizeToFit];
+  return button.autorelease();
+}
+
 HyperlinkTextView* TitleBubbleLabelWithLink(const base::string16& text,
                                             gfx::Range range,
                                             id<NSTextViewDelegate> delegate) {
   return LabelWithLink(
       text, SK_ColorBLACK,
       [NSFont systemFontOfSize:[NSFont systemFontSize]],
       range, delegate);
 }
 
 HyperlinkTextView* TitleDialogLabelWithLink(const base::string16& text,
@@ skipping 13 matching lines @@
                                  gfx::Range range,
                                  id<NSTextViewDelegate> delegate) {
   return LabelWithLink(
       text, color,
       ResourceBundle::GetSharedInstance()
           .GetFontList(ResourceBundle::SmallFont)
           .GetPrimaryFont()
           .GetNativeFont(),
       range, delegate);
 }