Makes the pinned tab title change indicator hide correctly

chrome/browser/ui/views/tabs/tab.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/tabs/tab.h"
 
 #include <stddef.h>
 #include <limits>
 #include <utility>
 
@@ skipping 553 matching lines @@
 }
 
 Tab::~Tab() {
 }
 
 bool Tab::IsActive() const {
   return controller_->IsActiveTab(this);
 }
 
 void Tab::ActiveStateChanged() {
+  // The pinned tab title changed indicator is only shown for inactive tabs.
+  // When transitioning between active and inactive always reset the state
+  // to enforce that.
+  SetPinnedTabTitleChangedIndicatorVisible(false);
   OnButtonColorMaybeChanged();
   alert_indicator_button_->UpdateEnabledForMuteToggle();
   Layout();
 }
 
 void Tab::AlertStateChanged() {
   Layout();
 }
 
 bool Tab::IsSelected() const {
@@ skipping 1157 matching lines @@
   inactive_images_.image_c = rb.GetImageSkiaNamed(IDR_TAB_INACTIVE_CENTER);
   inactive_images_.image_r = rb.GetImageSkiaNamed(IDR_TAB_INACTIVE_RIGHT);
   inactive_images_.l_width = inactive_images_.image_l->width();
   inactive_images_.r_width = inactive_images_.image_r->width();
 
   mask_images_.image_l = rb.GetImageSkiaNamed(IDR_TAB_ALPHA_LEFT);
   mask_images_.image_r = rb.GetImageSkiaNamed(IDR_TAB_ALPHA_RIGHT);
   mask_images_.l_width = mask_images_.image_l->width();
   mask_images_.r_width = mask_images_.image_r->width();
 }