Add ContextMenuSourceType to views::ContextMenuController::ShowContextMenuForView.

ui/views/controls/textfield/native_textfield_views.cc

Index: ui/views/controls/textfield/native_textfield_views.cc
diff --git a/ui/views/controls/textfield/native_textfield_views.cc b/ui/views/controls/textfield/native_textfield_views.cc
index f8ecb491e83456e96fd50e19b42ed7cd8ffb4fd8..3e78f1e7b374335b8a63ab27712548532f8f3860 100644
--- a/ui/views/controls/textfield/native_textfield_views.cc
+++ b/ui/views/controls/textfield/native_textfield_views.cc
@@ -427,7 +427,7 @@ bool NativeTextfieldViews::DrawsHandles() {
 
 void NativeTextfieldViews::OpenContextMenu(const gfx::Point anchor) {
   touch_selection_controller_.reset();
-  ShowContextMenu(anchor, false);
+  ShowContextMenu(anchor, ui::CONTEXT_MENU_SOURCE_TOUCH_EDITING);
 }
 
 gfx::NativeCursor NativeTextfieldViews::GetCursor(const ui::MouseEvent& event) {
@@ -445,11 +445,13 @@ gfx::NativeCursor NativeTextfieldViews::GetCursor(const ui::MouseEvent& event) {
 
 /////////////////////////////////////////////////////////////////
 // NativeTextfieldViews, ContextMenuController overrides:
-void NativeTextfieldViews::ShowContextMenuForView(View* source,
-                                                  const gfx::Point& point) {
+void NativeTextfieldViews::ShowContextMenuForView(
+    View* source,
+    const gfx::Point& point,
+    ui::ContextMenuSourceType source_type) {
   UpdateContextMenu();
-  if (context_menu_runner_->RunMenuAt(GetWidget(), NULL,
-          gfx::Rect(point, gfx::Size()), views::MenuItemView::TOPLEFT,
+  if (context_menu_runner_->RunContextMenuAt(GetWidget(), NULL,
+          gfx::Rect(point, gfx::Size()), source_type,
           MenuRunner::HAS_MNEMONICS | views::MenuRunner::CONTEXT_MENU) ==
       MenuRunner::MENU_DELETED)
     return;