Remove clipboard argument from ScopedClipboardWriter constructor.

ui/views/controls/textfield/textfield_model_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 <vector>
 
 #include "base/auto_reset.h"
 #include "base/memory/scoped_ptr.h"
 #include "base/message_loop/message_loop.h"
 #include "base/strings/string16.h"
@@ skipping 461 matching lines @@
   EXPECT_EQ(3U, model.GetCursorPosition());
   EXPECT_EQ(base::string16(), model.GetSelectedText());
   model.SetText(base::string16());
   EXPECT_EQ(0U, model.GetCursorPosition());
 }
 
 TEST_F(TextfieldModelTest, Clipboard) {
   ui::Clipboard* clipboard = ui::Clipboard::GetForCurrentThread();
   const base::string16 initial_clipboard_text =
       base::ASCIIToUTF16("initial text");
-  ui::ScopedClipboardWriter(clipboard, ui::CLIPBOARD_TYPE_COPY_PASTE).
-      WriteText(initial_clipboard_text);
+  ui::ScopedClipboardWriter(ui::CLIPBOARD_TYPE_COPY_PASTE)
+      .WriteText(initial_clipboard_text);
 
   base::string16 clipboard_text;
   TextfieldModel model(NULL);
   model.Append(base::ASCIIToUTF16("HELLO WORLD"));
 
   // Cut with an empty selection should do nothing.
   model.MoveCursor(gfx::LINE_BREAK, gfx::CURSOR_RIGHT, false);
   EXPECT_FALSE(model.Cut());
   clipboard->ReadText(ui::CLIPBOARD_TYPE_COPY_PASTE, &clipboard_text);
   EXPECT_EQ(initial_clipboard_text, clipboard_text);
@@ skipping 979 matching lines @@
   EXPECT_TRUE(model.Undo());
   EXPECT_STR_EQ("ABCDE", model.text());
   EXPECT_TRUE(model.Redo());
   EXPECT_STR_EQ("1234", model.text());
   EXPECT_FALSE(model.Redo());
 
   // TODO(oshima): Test the behavior with an IME.
 }
 
 }  // namespace views