[Autofill] Tweak credit card signin promo visually.

chrome/browser/ui/views/autofill/autofill_popup_base_view.cc

 // Copyright 2014 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.
 
 #include "chrome/browser/ui/views/autofill/autofill_popup_base_view.h"
 
 #include "base/bind.h"
 #include "base/location.h"
 #include "base/single_thread_task_runner.h"
 #include "base/threading/thread_task_runner_handle.h"
 #include "build/build_config.h"
 #include "chrome/browser/ui/autofill/popup_constants.h"
 #include "ui/views/border.h"
 #include "ui/views/focus/focus_manager.h"
 #include "ui/views/widget/widget.h"
 
 namespace autofill {
 
-const SkColor AutofillPopupBaseView::kBorderColor =
-    SkColorSetRGB(0xC7, 0xCA, 0xCE);
-const SkColor AutofillPopupBaseView::kHoveredBackgroundColor =
-    SkColorSetRGB(0xCD, 0xCD, 0xCD);
-const SkColor AutofillPopupBaseView::kItemTextColor =
-    SkColorSetRGB(0x64, 0x64, 0x64);
-const SkColor AutofillPopupBaseView::kPopupBackground = SK_ColorWHITE;
-const SkColor AutofillPopupBaseView::kValueTextColor = SK_ColorBLACK;
-const SkColor AutofillPopupBaseView::kWarningTextColor =
-    SkColorSetRGB(0x64, 0x64, 0x64);
-
 AutofillPopupBaseView::AutofillPopupBaseView(
     AutofillPopupViewDelegate* delegate,
     views::Widget* parent_widget)
     : delegate_(delegate),
       parent_widget_(parent_widget),
       weak_ptr_factory_(this) {}
 
 AutofillPopupBaseView::~AutofillPopupBaseView() {
   if (delegate_) {
     delegate_->ViewDestroyed();
@@ skipping 203 matching lines @@
 void AutofillPopupBaseView::HideController() {
   if (delegate_)
     delegate_->Hide();
 }
 
 gfx::NativeView AutofillPopupBaseView::container_view() {
   return delegate_->container_view();
 }
 
 }  // namespace autofill