Remove dependency on ui::ScaleFactor from ui/gfx

chrome/browser/ui/cocoa/infobars/extension_infobar_controller.mm

 // 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.
 
 #import "chrome/browser/ui/cocoa/infobars/extension_infobar_controller.h"
 
 #include <cmath>
 
 #include "chrome/browser/extensions/extension_host.h"
 #include "chrome/browser/extensions/extension_infobar_delegate.h"
@@ skipping 91 matching lines @@
       icon = rb.GetImageSkiaNamed(IDR_EXTENSIONS_SECTION);
     else
       icon = image.ToImageSkia();
 
     gfx::ImageSkia* drop_image = rb.GetImageSkiaNamed(IDR_APP_DROPARROW);
 
     const int image_size = extension_misc::EXTENSION_ICON_BITTY;
     scoped_ptr<gfx::Canvas> canvas(
         new gfx::Canvas(
             gfx::Size(image_size + kDropArrowLeftMarginPx + drop_image->width(),
-                      image_size), ui::SCALE_FACTOR_100P, false));
+                      image_size), 1.0f, false));
     canvas->DrawImageInt(*icon,
                          0, 0, icon->width(), icon->height(),
                          0, 0, image_size, image_size,
                          false);
     canvas->DrawImageInt(*drop_image,
                          image_size + kDropArrowLeftMarginPx,
                          image_size / 2);
     [owner_ setButtonImage:gfx::SkBitmapToNSImage(
         canvas->ExtractImageRep().sk_bitmap())];
   }
@@ skipping 146 matching lines @@
   scoped_ptr<InfoBarCocoa> infobar(new InfoBarCocoa(owner, this));
   NSWindow* window =
       [(NSView*)owner->web_contents()->GetView()->GetContentNativeView()
           window];
   base::scoped_nsobject<ExtensionInfoBarController> controller(
       [[ExtensionInfoBarController alloc] initWithInfoBar:infobar.get()
                                                    window:window]);
   infobar->set_controller(controller);
   return infobar.release();
 }