Remove implicit conversions from scoped_refptr to T* in chrome/

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

 // Copyright 2014 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/origin_chip_decoration.h"
 
 #include "base/metrics/histogram.h"
 #include "base/metrics/user_metrics_action.h"
 #include "base/strings/sys_string_conversions.h"
 #include "chrome/browser/browser_process.h"
@@ skipping 61 matching lines @@
       icon_rect_(NSZeroRect),
       info_(this, owner->browser()->profile()),
       location_icon_(location_icon),
       owner_(owner) {
   DCHECK(owner_);
   [attributes_ setObject:GetFont() forKey:NSFontAttributeName];
 
   // May not be set for unit tests.
   scoped_refptr<SafeBrowsingService> sb_service =
       g_browser_process->safe_browsing_service();
-  if (sb_service.get() && sb_service->ui_manager())
+  if (sb_service.get() && sb_service->ui_manager().get())
     sb_service->ui_manager()->AddObserver(this);
 }
 
 OriginChipDecoration::~OriginChipDecoration() {
   scoped_refptr<SafeBrowsingService> sb_service =
       g_browser_process->safe_browsing_service();
-  if (sb_service.get() && sb_service->ui_manager())
+  if (sb_service.get() && sb_service->ui_manager().get())
     sb_service->ui_manager()->RemoveObserver(this);
 }
 
 void OriginChipDecoration::Update() {
   if (!owner_->GetToolbarModel()->ShouldShowOriginChip()) {
     SetVisible(false);
     return;
   } else {
     SetVisible(true);
   }
@@ skipping 131 matching lines @@
   return kInnerLeftPadding +
       kIconSize +
       kIconLabelPadding +
       std::ceil([label_ sizeWithAttributes:attributes_].width) +
       kInnerRightPadding;
 }
 
 // TODO(macourteau): Implement eliding of the host.
 
 // TODO(macourteau): Implement dragging support.