Fixed Back/Forward buttons to not hide ink drop when long press shows drop down menu.

chrome/browser/ui/views/toolbar/toolbar_view.cc

Index: chrome/browser/ui/views/toolbar/toolbar_view.cc
diff --git a/chrome/browser/ui/views/toolbar/toolbar_view.cc b/chrome/browser/ui/views/toolbar/toolbar_view.cc
index 2d816a9cfdce9603ef8e71c62d899d166bc62c55..b886ab4b3f08650d71546da9a9baa49113cc7271 100644
--- a/chrome/browser/ui/views/toolbar/toolbar_view.cc
+++ b/chrome/browser/ui/views/toolbar/toolbar_view.cc
@@ -177,6 +177,7 @@ void ToolbarView::Init() {
   back_ = new BackButton(
       browser_->profile(), this,
       new BackForwardMenuModel(browser_, BackForwardMenuModel::BACKWARD_MENU));
+  back_->set_hide_ink_drop_when_showing_context_menu(false);
   back_->set_triggerable_event_flags(
       ui::EF_LEFT_MOUSE_BUTTON | ui::EF_MIDDLE_MOUSE_BUTTON);
   back_->set_tag(IDC_BACK);
@@ -188,6 +189,7 @@ void ToolbarView::Init() {
   forward_ = new ToolbarButton(
       browser_->profile(), this,
       new BackForwardMenuModel(browser_, BackForwardMenuModel::FORWARD_MENU));
+  forward_->set_hide_ink_drop_when_showing_context_menu(false);
   forward_->set_triggerable_event_flags(
       ui::EF_LEFT_MOUSE_BUTTON | ui::EF_MIDDLE_MOUSE_BUTTON);
   forward_->set_tag(IDC_FORWARD);