Mac: restore subpixel AA in the find bar when it doesn't have focus

chrome/browser/ui/cocoa/styled_text_field_cell.mm

 // 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.
 
 #import "chrome/browser/ui/cocoa/styled_text_field_cell.h"
 
 #include "base/logging.h"
 #include "chrome/browser/themes/theme_properties.h"
 #include "chrome/browser/themes/theme_service.h"
 #import "chrome/browser/ui/cocoa/themed_window.h"
 #include "grit/theme_resources.h"
 #import "ui/base/cocoa/nsgraphics_context_additions.h"
 #import "ui/base/cocoa/nsview_additions.h"
+#include "ui/base/cocoa/scoped_cg_context_smooth_fonts.h"
 #include "ui/gfx/font.h"
 #include "ui/gfx/scoped_ns_graphics_context_save_gstate_mac.h"
 
 @implementation StyledTextFieldCell
 
 - (CGFloat)topTextFrameOffset {
   return 0.0;
 }
 
 - (CGFloat)bottomTextFrameOffset {
@@ skipping 130 matching lines @@
     [[bezelColor colorWithAlphaComponent:0.5 / lineWidth] set];
     NSRect bezelRect = NSMakeRect(cellFrame.origin.x,
                                   NSMaxY(cellFrame) - lineWidth,
                                   NSWidth(cellFrame),
                                   lineWidth);
     bezelRect = NSInsetRect(bezelRect, radius - halfLineWidth, 0.0);
     NSRectFillUsingOperation(bezelRect, NSCompositeSourceOver);
   }
 
   // Draw the interior before the focus ring, to make sure nothing overlaps it.
+  ui::ScopedCGContextSmoothFonts fontSmoothing;
   [self drawInteriorWithFrame:cellFrame inView:controlView];
 
   // Draw the focus ring if needed.
   if ([self showsFirstResponder]) {
     NSColor* color = [[NSColor keyboardFocusIndicatorColor]
         colorWithAlphaComponent:0.5 / lineWidth];
     rect_path_utils::FrameRectWithInset(roundedCornerFlags, frame, 0.0, 0.0,
                                         radius, lineWidth * 2, color);
   }
 }
 
 @end