[Textfield] Consider select all status for select all context menu

ui/views/controls/textfield/textfield_unittest.cc

 // Copyright 2014 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 "ui/views/controls/textfield/textfield.h"
 
 #include <stddef.h>
 #include <stdint.h>
 
 #include <set>
@@ skipping 631 matching lines @@
     ui::MouseEvent release(ui::ET_MOUSE_RELEASED, gfx::Point(), gfx::Point(),
                            ui::EventTimeForNow(),
                            ui::EF_LEFT_MOUSE_BUTTON | ui::EF_IS_NON_CLIENT,
                            ui::EF_LEFT_MOUSE_BUTTON);
     textfield_->OnMouseReleased(release);
   }
 
   void VerifyTextfieldContextMenuContents(bool textfield_has_selection,
                                           bool can_undo,
                                           ui::MenuModel* menu) {
+    const auto& text = textfield_->text();
+    const bool is_all_selected = !text.empty() &&
+        textfield_->GetSelectedRange().length() == text.length();
+
     EXPECT_EQ(can_undo, menu->IsEnabledAt(0 /* UNDO */));
     EXPECT_TRUE(menu->IsEnabledAt(1 /* Separator */));
     EXPECT_EQ(textfield_has_selection, menu->IsEnabledAt(2 /* CUT */));
     EXPECT_EQ(textfield_has_selection, menu->IsEnabledAt(3 /* COPY */));
     EXPECT_NE(GetClipboardText(ui::CLIPBOARD_TYPE_COPY_PASTE).empty(),
               menu->IsEnabledAt(4 /* PASTE */));
     EXPECT_EQ(textfield_has_selection, menu->IsEnabledAt(5 /* DELETE */));
     EXPECT_TRUE(menu->IsEnabledAt(6 /* Separator */));
-    EXPECT_TRUE(menu->IsEnabledAt(7 /* SELECT ALL */));
+    EXPECT_EQ(!is_all_selected, menu->IsEnabledAt(7 /* SELECT ALL */));
   }
 
   void PressMouseButton(ui::EventFlags mouse_button_flags, int extra_flags) {
     ui::MouseEvent press(ui::ET_MOUSE_PRESSED, mouse_position_, mouse_position_,
                          ui::EventTimeForNow(), mouse_button_flags,
                          mouse_button_flags | extra_flags);
     textfield_->OnMousePressed(press);
   }
 
   void ReleaseMouseButton(ui::EventFlags mouse_button_flags) {
@@ skipping 2446 matching lines @@
   InitTextfield();
 
   textfield_->SetCursorEnabled(false);
   EXPECT_FALSE(test_api_->IsCursorVisible());
 
   textfield_->SetCursorEnabled(true);
   EXPECT_TRUE(test_api_->IsCursorVisible());
 }
 
 }  // namespace views