Change the account chooser on Win to look like in the mocks.

chrome/browser/ui/cocoa/passwords/account_chooser_view_controller.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/account_chooser_view_controller.h"
 
 #include "base/mac/foundation_util.h"
 #include "base/mac/scoped_nsobject.h"
 #include "base/strings/sys_string_conversions.h"
 #include "base/strings/utf_string_conversions.h"
 #import "chrome/browser/ui/cocoa/passwords/account_avatar_fetcher_manager.h"
 #import "chrome/browser/ui/cocoa/passwords/credential_item_button.h"
 #import "chrome/browser/ui/cocoa/passwords/passwords_bubble_utils.h"
 #include "chrome/browser/ui/passwords/manage_passwords_view_utils.h"
 #include "chrome/browser/ui/passwords/password_dialog_controller.h"
 #include "chrome/browser/ui/passwords/password_dialog_prompts.h"
 #include "chrome/grit/generated_resources.h"
 #include "components/autofill/core/common/password_form.h"
 #include "components/password_manager/core/common/credential_manager_types.h"
 #include "grit/theme_resources.h"
 #include "skia/ext/skia_utils_mac.h"
 #include "ui/base/cocoa/controls/hyperlink_text_view.h"
 #include "ui/base/l10n/l10n_util.h"
 #include "ui/base/resource/resource_bundle.h"
 #include "ui/strings/grit/ui_strings.h"
 
-const SkColor kButtonHoverColor = SkColorSetRGB(0xEA, 0xEA, 0xEA);
-
 @interface AccountChooserViewController () {
   NSButton* cancelButton_;  // Weak.
   NSTextView* titleView_;   //  Weak.
   base::scoped_nsobject<NSArray> credentialButtons_;
   base::scoped_nsobject<AccountAvatarFetcherManager> avatarManager_;
 }
 - (void)onCancelClicked:(id)sender;
 - (void)onCredentialClicked:(id)sender;
 - (void)loadCredentialItems;
 @end
@@ skipping 158 matching lines @@
 
 - (NSArray*)credentialButtons {
   return credentialButtons_;
 }
 
 - (NSTextView*)titleView {
   return titleView_;
 }
 
 @end