views: Moves TextfieldController/TextRange into their own headers.

views/controls/textfield/textfield_views_model_unittest.cc

 // Copyright (c) 2011 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/auto_reset.h"
 #include "base/message_loop.h"
 #include "base/scoped_ptr.h"
 #include "base/utf_string_conversions.h"
 #include "testing/gtest/include/gtest/gtest.h"
 #include "ui/base/clipboard/clipboard.h"
 #include "ui/base/clipboard/scoped_clipboard_writer.h"
+#include "views/controls/textfield/text_range.h"
 #include "views/controls/textfield/textfield.h"
 #include "views/controls/textfield/textfield_views_model.h"
 #include "views/test/test_views_delegate.h"
 #include "views/test/views_test_base.h"
 #include "views/views_delegate.h"
 
 namespace views {
 
 #include "views/test/views_test_base.h"
 
@@ skipping 485 matching lines @@
   model.SelectRange(range);
   EXPECT_TRUE(model.GetSelectedText().empty());
 
   range.SetRange(1000, 1000);
   EXPECT_TRUE(range.is_empty());
   model.SelectRange(range);
   EXPECT_TRUE(model.GetSelectedText().empty());
 }
 
 }  // namespace views