Mac/clang: First pass over unit_tests

chrome/browser/cocoa/find_bar_text_field_cell_unittest.mm

 // Copyright (c) 2009 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.
 
 #import <Cocoa/Cocoa.h>
 
 #include "base/scoped_nsobject.h"
 #import "chrome/browser/cocoa/find_bar_text_field_cell.h"
 #import "chrome/browser/cocoa/cocoa_test_helper.h"
 #include "testing/gtest/include/gtest/gtest.h"
@@ skipping 104 matching lines @@
   EXPECT_TRUE(NSEqualRects(cursorFrame, textFrame));
 
 }
 
 // The editor frame should be slightly inset from the text frame.
 TEST_F(FindBarTextFieldCellTest, DrawingRectForBounds) {
   const NSRect bounds = [view_ bounds];
   NSRect textFrame = [cell_ textFrameForFrame:bounds];
   NSRect drawingRect = [cell_ drawingRectForBounds:bounds];
 
-  // Save the starting frame for after clear.
-  const NSRect originalDrawingRect(drawingRect);
-
   EXPECT_FALSE(NSIsEmptyRect(drawingRect));
   EXPECT_TRUE(NSContainsRect(textFrame, NSInsetRect(drawingRect, 1, 1)));
 
   [cell_ setActiveMatch:4 of:5];
   textFrame = [cell_ textFrameForFrame:bounds];
   drawingRect = [cell_ drawingRectForBounds:bounds];
   EXPECT_FALSE(NSIsEmptyRect(drawingRect));
   EXPECT_TRUE(NSContainsRect(textFrame, NSInsetRect(drawingRect, 1, 1)));
 }
 
 }  // namespace