Fix: Cursor missing in omnibox after entering a alphabet in NTP 'Search box'

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 234 matching lines @@
 
 bool MockInputMethod::HasComposition() {
   return composition_.text.length() || result_text_.length();
 }
 
 void MockInputMethod::ClearComposition() {
   composition_.Clear();
   result_text_.clear();
 }
 
-// A Textfield wrapper to intercept OnKey[Pressed|Released]() ressults.
+// A Textfield wrapper to intercept OnKey[Pressed|Released]() results.
 class TestTextfield : public views::Textfield {
  public:
   TestTextfield()
      : Textfield(),
        key_handled_(false),
        key_received_(false),
        weak_ptr_factory_(this) {}
 
   // ui::TextInputClient overrides:
   void InsertChar(const ui::KeyEvent& e) override {
@@ skipping 2839 matching lines @@
   textfield_->SetTextInputType(ui::TEXT_INPUT_TYPE_PASSWORD);
   ui::AXNodeData node_data_protected;
   node_data_protected.state = 0;
   textfield_->GetAccessibleNodeData(&node_data_protected);
   EXPECT_EQ(ui::AX_ROLE_TEXT_FIELD, node_data_protected.role);
   EXPECT_EQ(ASCIIToUTF16("********"),
             node_data_protected.GetString16Attribute(ui::AX_ATTR_VALUE));
   EXPECT_TRUE(node_data_protected.HasStateFlag(ui::AX_STATE_PROTECTED));
 }
 
-// Test if the cursor visibility is controlled by |cursor_enabled_| in
-// RenderText.
+// Verify that cursor visibility is controlled by SetCursorEnabled.
 TEST_F(TextfieldTest, CursorVisibility) {
   InitTextfield();
-  gfx::RenderText* render_text = test_api_->GetRenderText();
 
-  render_text->SetCursorEnabled(false);
-  textfield_->OnBlur();
-  textfield_->OnFocus();
+  textfield_->SetCursorEnabled(false);
   EXPECT_FALSE(test_api_->IsCursorVisible());
 
-  render_text->SetCursorEnabled(true);
-  textfield_->OnBlur();
-  textfield_->OnFocus();
+  textfield_->SetCursorEnabled(true);
   EXPECT_TRUE(test_api_->IsCursorVisible());
 }
 
 }  // namespace views