Stop using GetDefaultProfile() in Chrome OS implementation of platform_util::OpenExternal()

chrome/browser/platform_util_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 "chrome/browser/platform_util.h"
 
 #include <Carbon/Carbon.h>
 #import <Cocoa/Cocoa.h>
 #include <CoreServices/CoreServices.h>
 
@@ skipping 104 matching lines @@
                   kAENormalPriority,  // sendPriority
                   kAEDefaultTimeout,  // timeOutInTicks
                   NULL, // idleProc
                   NULL);  // filterProc
   if (status != noErr) {
     OSSTATUS_LOG(WARNING, status)
         << "Could not send AE to Finder in OpenItem()";
   }
 }
 
-void OpenExternal(const GURL& url) {
+void OpenExternal(Profile* profile, const GURL& url) {
   DCHECK([NSThread isMainThread]);
   NSString* url_string = base::SysUTF8ToNSString(url.spec());
   NSURL* ns_url = [NSURL URLWithString:url_string];
   if (!ns_url || ![[NSWorkspace sharedWorkspace] openURL:ns_url])
     LOG(WARNING) << "NSWorkspace failed to open URL " << url;
 }
 
 gfx::NativeWindow GetTopLevel(gfx::NativeView view) {
   return [view window];
 }
@@ skipping 18 matching lines @@
           [[view window] isVisible]);
 }
 
 bool IsSwipeTrackingFromScrollEventsEnabled() {
   SEL selector = @selector(isSwipeTrackingFromScrollEventsEnabled);
   return [NSEvent respondsToSelector:selector]
       && [NSEvent performSelector:selector];
 }
 
 }  // namespace platform_util