Make bigger string size in RenderTextHarfBuzz.

ui/views/touchui/touch_selection_controller_impl_unittest.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 "base/command_line.h"
 #include "base/strings/utf_string_conversions.h"
 #include "ui/aura/client/screen_position_client.h"
 #include "ui/aura/test/test_cursor_client.h"
 #include "ui/aura/window.h"
 #include "ui/base/resource/resource_bundle.h"
@@ skipping 82 matching lines @@
   void CreateTextfield() {
     textfield_ = new Textfield();
     textfield_widget_ = new Widget;
     Widget::InitParams params = CreateParams(Widget::InitParams::TYPE_POPUP);
     params.bounds = gfx::Rect(0, 0, 200, 200);
     textfield_widget_->Init(params);
     View* container = new View();
     textfield_widget_->SetContentsView(container);
     container->AddChildView(textfield_);
 
-    textfield_->SetBoundsRect(gfx::Rect(0, 0, 200, 20));
+    textfield_->SetBounds(0, 0, 200, textfield_->GetHeightForWidth(200));
     textfield_->set_id(1);
     textfield_widget_->Show();
 
     textfield_->RequestFocus();
     textfield_test_api_.reset(new TextfieldTestApi(textfield_));
   }
 
   void CreateWidget() {
     widget_ = new Widget;
     Widget::InitParams params = CreateParams(Widget::InitParams::TYPE_POPUP);
@@ skipping 764 matching lines @@
   // Start touch editing; then press a key and ensure it deactivates touch
   // selection.
   StartTouchEditing();
   EXPECT_TRUE(GetSelectionController());
   generator.PressKey(ui::VKEY_A, 0);
   RunPendingMessages();
   EXPECT_FALSE(GetSelectionController());
 }
 
 }  // namespace views