Centered flood fill style ink drop ripples on mouse/touch points.

chrome/browser/ui/views/location_bar/icon_label_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/location_bar/icon_label_bubble_view.h"
 
 #include "base/strings/utf_string_conversions.h"
 #include "chrome/browser/ui/layout_constants.h"
 #include "chrome/browser/ui/views/location_bar/background_with_1_px_border.h"
 #include "ui/base/material_design/material_design_controller.h"
@@ skipping 99 matching lines @@
 }
 
 double IconLabelBubbleView::WidthMultiplier() const {
   return 1.0;
 }
 
 bool IconLabelBubbleView::IsShrinking() const {
   return false;
 }
 
-bool IconLabelBubbleView::OnActivate() {
+bool IconLabelBubbleView::OnActivate(const ui::Event* event) {
   return false;
 }
 
 gfx::Size IconLabelBubbleView::GetPreferredSize() const {
   // Height will be ignored by the LocationBarView.
   return GetSizeForLabelWidth(label_->GetPreferredSize().width());
 }
 
 bool IconLabelBubbleView::OnKeyPressed(const ui::KeyEvent& event) {
   if (event.key_code() == ui::VKEY_RETURN)
-    return OnActivate();
+    return OnActivate(&event);
   return false;
 }
 
 bool IconLabelBubbleView::OnKeyReleased(const ui::KeyEvent& event) {
   if (event.key_code() == ui::VKEY_SPACE)
-    return OnActivate();
+    return OnActivate(&event);
   return false;
 }
 
 void IconLabelBubbleView::Layout() {
   // Compute the image bounds.  In non-MD, the leading padding depends on
   // whether this is an extension icon, since extension icons and
   // Chrome-provided icons are different sizes.  In MD, these sizes are the
   // same, so it's not necessary to handle the two types differently.
   const bool icon_has_enough_padding =
       !is_extension_icon_ || ui::MaterialDesignController::IsModeMaterial();
@@ skipping 171 matching lines @@
 
     // 1px at all scale factors.
     gfx::ScopedCanvas scoped_canvas(canvas);
     const float scale = canvas->UndoDeviceScaleFactor();
     const gfx::RectF pixel_aligned_bounds =
         gfx::ScaleRect(gfx::RectF(bounds), scale) - gfx::Vector2dF(0.5f, 0);
     canvas->DrawLine(pixel_aligned_bounds.top_right(),
                      pixel_aligned_bounds.bottom_right(), separator_color);
   }
 }