Add SetProminent() to MdTextButton to create blue buttons.

ui/views/examples/button_example.cc

 // Copyright (c) 2012 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 "ui/views/examples/button_example.h"
 
 #include "base/strings/utf_string_conversions.h"
 #include "ui/base/resource/resource_bundle.h"
 #include "ui/gfx/image/image.h"
 #include "ui/resources/grit/ui_resources.h"
@@ skipping 49 matching lines @@
   container->AddChildView(new BlueButton(this, ASCIIToUTF16("Blue Button")));
 
   container->AddChildView(
       MdTextButton::Create(nullptr, base::ASCIIToUTF16("Material design")));
   MdTextButton* md_button =
       MdTextButton::Create(nullptr, base::ASCIIToUTF16("Default"));
   md_button->SetIsDefault(true);
   container->AddChildView(md_button);
   md_button =
       MdTextButton::Create(nullptr, base::ASCIIToUTF16("Call to action"));
-  md_button->SetCallToAction(true);
+  md_button->SetProminent(true);
   container->AddChildView(md_button);
 
   ui::ResourceBundle& rb = ui::ResourceBundle::GetSharedInstance();
   image_button_ = new ImageButton(this);
   image_button_->SetFocusForPlatform();
   image_button_->set_request_focus_on_press(true);
   image_button_->SetImage(ImageButton::STATE_NORMAL,
                           rb.GetImageNamed(IDR_CLOSE).ToImageSkia());
   image_button_->SetImage(ImageButton::STATE_HOVERED,
                           rb.GetImageNamed(IDR_CLOSE_H).ToImageSkia());
@@ skipping 46 matching lines @@
   else if (sender == styled_button_)
     LabelButtonPressed(styled_button_, event);
   else if (sender == disabled_button_)
     LabelButtonPressed(disabled_button_, event);
   else
     PrintStatus("Image Button Pressed! count: %d", ++count_);
 }
 
 }  // namespace examples
 }  // namespace views