Mac: Make ScopedTypeRef require explicit constructors

chrome/browser/ui/cocoa/location_bar/location_bar_view_mac.mm

 // Copyright 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/location_bar/location_bar_view_mac.h"
 
 #include "base/bind.h"
 #include "base/command_line.h"
 #import "base/mac/mac_util.h"
 #include "base/message_loop/message_loop.h"
@@ skipping 110 matching lines @@
 + (NSImage*)imageForId:(gfx::VectorIconId)vectorIconId
                  color:(SkColor)vectorIconColor {
   if (vectorIconId != gfx::VectorIconId::LOCATION_BAR_HTTP &&
       vectorIconId != gfx::VectorIconId::LOCATION_BAR_HTTPS_INVALID &&
       vectorIconId != gfx::VectorIconId::LOCATION_BAR_HTTPS_VALID) {
     return NSImageFromImageSkiaWithColorSpace(
         gfx::CreateVectorIcon(vectorIconId, kDefaultIconSize, vectorIconColor),
         base::mac::GetSRGBColorSpace());
   }
 
-  base::scoped_nsobject<LocationBarImageRep> imageRep =
+  base::scoped_nsobject<LocationBarImageRep> imageRep(
       [[LocationBarImageRep alloc]
           initWithDrawSelector:@selector(drawLocationBarIcon:)
-                      delegate:[LocationBarImageRep class]];
+                      delegate:[LocationBarImageRep class]]);
   [imageRep setIconId:vectorIconId];
   [imageRep setFillColor:skia::SkColorToSRGBNSColor(vectorIconColor)];
 
   // Create the image from the image rep.
   const NSSize kImageSize = NSMakeSize(kDefaultIconSize, kDefaultIconSize);
   NSImage* locationBarImage =
       [[[NSImage alloc] initWithSize:kImageSize] autorelease];
   [locationBarImage setCacheMode:NSImageCacheAlways];
   [locationBarImage addRepresentation:imageRep];
 
@@ skipping 824 matching lines @@
 
   return zoom_decoration_->UpdateIfNecessary(
       ui_zoom::ZoomController::FromWebContents(web_contents),
       default_zoom_changed, IsLocationBarDark());
 }
 
 void LocationBarViewMac::OnDefaultZoomLevelChanged() {
   if (UpdateZoomDecoration(/*default_zoom_changed=*/true))
     OnDecorationsChanged();
 }