Remove dependency on ui::ScaleFactor from ui/gfx

content/browser/renderer_host/render_widget_host_view_mac.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.
 
 #include "content/browser/renderer_host/render_widget_host_view_mac.h"
 
 #import <objc/runtime.h>
 #include <QuartzCore/QuartzCore.h>
 
 #include "base/basictypes.h"
@@ skipping 145 matching lines @@
           @selector(windowDidChangeBackingProperties:),
           NO,
           YES);
 
   // If the protocol does not contain the method, the returned method
   // description is {NULL, NULL}
   return methodDescription.name != NULL || methodDescription.types != NULL;
 }
 
 static float ScaleFactor(NSView* view) {
-  return ui::GetScaleFactorScale(ui::GetScaleFactorForNativeView(view));
+  return ui::GetImageScale(ui::GetScaleFactorForNativeView(view));
 }
 
 // Private methods:
 @interface RenderWidgetHostViewCocoa ()
 @property(nonatomic, assign) NSRange selectedRange;
 @property(nonatomic, assign) NSRange markedRange;
 @property(nonatomic, assign)
     NSObject<RenderWidgetHostViewMacDelegate>* delegate;
 
 + (BOOL)shouldAutohideCursorForEvent:(NSEvent*)event;
@@ skipping 3669 matching lines @@
   return YES;
 }
 
 - (BOOL)isOpaque {
   if (renderWidgetHostView_->use_core_animation_)
     return YES;
   return [super isOpaque];
 }
 
 @end