Fix type inconsistency with StartImportingWithUI and ProfileInfo.

chrome/browser/cocoa/import_progress_dialog.mm

 // Copyright (c) 2010 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/cocoa/import_progress_dialog.h"
 
 #include "app/l10n_util.h"
 #include "app/l10n_util_mac.h"
 #include "base/logging.h"
 #include "base/mac_util.h"
@@ skipping 136 matching lines @@
   [self closeDialog];
   [self release];
 
   // Break out of modal event loop.
   [NSApp stopModal];
 }
 
 @end
 
 void StartImportingWithUI(gfx::NativeWindow parent_window,
-                          int16 items,
+                          uint16 items,
                           ImporterHost* coordinator,
                           const importer::ProfileInfo& source_profile,
                           Profile* target_profile,
                           ImportObserver* observer,
                           bool first_run) {
   DCHECK(items != 0);
 
   // Retrieve name of browser we're importing from and do a little dance to
   // convert wstring -> string16.
   string16 import_browser_name = WideToUTF16Hack(source_profile.description);
@@ skipping 15 matching lines @@
   NSWindow* progress_window = [progress_dialog_ window];
   NSModalSession session = [NSApp beginModalSessionForWindow:progress_window];
   [progress_dialog_ showWindow:nil];
   while (true) {
     if ([NSApp runModalSession:session] != NSRunContinuesResponse)
         break;
     MessageLoop::current()->RunAllPending();
   }
   [NSApp endModalSession:session];
 }