Update OS X to use scoped_refptr<T>::get() rather than implicit "operator T*"

chrome/browser/ui/cocoa/fullscreen_exit_bubble_controller_unittest.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/fullscreen_exit_bubble_controller.h"
 
 #include "base/mac/mac_util.h"
 #include "chrome/browser/ui/browser.h"
 #include "chrome/browser/ui/browser_window.h"
 #include "chrome/browser/ui/cocoa/browser_window_controller.h"
@@ skipping 48 matching lines @@
   }
 
   virtual void TearDown() {
     [controller_ close];
     controller_.reset();
     CocoaProfileTest::TearDown();
   }
 
   void AppendTabToStrip() {
     WebContents* web_contents = WebContents::Create(
-        content::WebContents::CreateParams(profile(), site_instance_));
+        content::WebContents::CreateParams(profile(), site_instance_.get()));
     browser()->tab_strip_model()->AppendWebContents(
         web_contents, /*foreground=*/true);
   }
 
   scoped_refptr<SiteInstance> site_instance_;
   base::scoped_nsobject<FullscreenExitBubbleController> controller_;
 };
 
 // http://crbug.com/103912
 TEST_F(FullscreenExitBubbleControllerTest, DISABLED_DenyExitsFullscreen) {
@@ skipping 39 matching lines @@
   ui::PlatformAcceleratorCocoa cmd_F(@"F", NSCommandKeyMask);
   ui::PlatformAcceleratorCocoa cmd_shift_f(
       @"f", NSCommandKeyMask | NSShiftKeyMask);
   NSString* cmd_F_text = [FullscreenExitBubbleController
       keyCombinationForAccelerator:cmd_F];
   NSString* cmd_shift_f_text = [FullscreenExitBubbleController
       keyCombinationForAccelerator:cmd_shift_f];
   EXPECT_NSEQ(cmd_shift_f_text, cmd_F_text);
   EXPECT_NSEQ(@"\u2318\u21E7F", cmd_shift_f_text);
 }