Adds MD ink ripple animations to buttons within location bar

chrome/browser/ui/views/bookmarks/bookmark_bubble_view.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 "chrome/browser/ui/views/bookmarks/bookmark_bubble_view.h"
 
 #include <utility>
 
 #include "base/macros.h"
 #include "base/strings/string16.h"
@@ skipping 51 matching lines @@
 
  private:
   DISALLOW_COPY_AND_ASSIGN(UnsizedCombobox);
 };
 
 }  // namespace
 
 BookmarkBubbleView* BookmarkBubbleView::bookmark_bubble_ = NULL;
 
 // static
-void BookmarkBubbleView::ShowBubble(
+views::Widget* BookmarkBubbleView::ShowBubble(
     views::View* anchor_view,
     const gfx::Rect& anchor_rect,
     gfx::NativeView parent_window,
     bookmarks::BookmarkBubbleObserver* observer,
     scoped_ptr<BubbleSyncPromoDelegate> delegate,
     Profile* profile,
     const GURL& url,
     bool already_bookmarked) {
   if (bookmark_bubble_)
-    return;
+    return nullptr;
 
   bookmark_bubble_ =
       new BookmarkBubbleView(anchor_view, observer, std::move(delegate),
                              profile, url, !already_bookmarked);
   if (!anchor_view) {
     bookmark_bubble_->SetAnchorRect(anchor_rect);
     bookmark_bubble_->set_parent_window(parent_window);
   }
-  views::BubbleDelegateView::CreateBubble(bookmark_bubble_)->Show();
+  views::Widget* bubble_widget =
+      views::BubbleDelegateView::CreateBubble(bookmark_bubble_);
+  bubble_widget->Show();
   // Select the entire title textfield contents when the bubble is first shown.
   bookmark_bubble_->title_tf_->SelectAll(true);
   bookmark_bubble_->SetArrowPaintType(views::BubbleBorder::PAINT_NONE);
 
   if (bookmark_bubble_->observer_) {
     BookmarkModel* model = BookmarkModelFactory::GetForProfile(profile);
     const BookmarkNode* node = model->GetMostRecentlyAddedUserNodeForURL(url);
     bookmark_bubble_->observer_->OnBookmarkBubbleShown(node);
   }
+  return bubble_widget;
 }
 
 void BookmarkBubbleView::Hide() {
   if (bookmark_bubble_)
     bookmark_bubble_->GetWidget()->Close();
 }
 
 BookmarkBubbleView::~BookmarkBubbleView() {
   if (apply_edits_) {
     ApplyEdits();
@@ skipping 275 matching lines @@
   if (node) {
     const base::string16 new_title = title_tf_->text();
     if (new_title != node->GetTitle()) {
       model->SetTitle(node, new_title);
       content::RecordAction(
           UserMetricsAction("BookmarkBubble_ChangeTitleInBubble"));
     }
     parent_model_.MaybeChangeParent(node, parent_combobox_->selected_index());
   }
 }