Fix more remaining FilePath -> base::FilePath.

chrome/browser/web_applications/web_app_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.
 
 #import "chrome/browser/web_applications/web_app_mac.h"
 
 #import <Cocoa/Cocoa.h>
 
 #include "base/file_util.h"
 #include "base/files/scoped_temp_dir.h"
@@ skipping 240 matching lines @@
                     selectFile:base::mac::FilePathToNSString(generated_bundle)
       inFileViewerRootedAtPath:nil];
 }
 
 }  // namespace
 
 namespace web_app {
 
 namespace internals {
 
-FilePath GetAppBundleByExtensionId(std::string extension_id) {
+base::FilePath GetAppBundleByExtensionId(std::string extension_id) {
   DCHECK(content::BrowserThread::CurrentlyOn(content::BrowserThread::FILE));
   // This matches APP_MODE_APP_BUNDLE_ID in chrome/chrome.gyp.
   std::string bundle_id =
       base::mac::BaseBundleID() + std::string(".app.") + extension_id;
   base::mac::ScopedCFTypeRef<CFStringRef> bundle_id_cf(
       base::SysUTF8ToCFStringRef(bundle_id));
   CFURLRef url_ref = NULL;
   OSStatus status = LSFindApplicationForInfo(
       kLSUnknownCreator, bundle_id_cf.get(), NULL, NULL, &url_ref);
   base::mac::ScopedCFTypeRef<CFURLRef> url(url_ref);
 
   if (status != noErr)
-    return FilePath();
+    return base::FilePath();
 
   NSString* path_string = [base::mac::CFToNSCast(url.get()) path];
-  return FilePath([path_string fileSystemRepresentation]);
+  return base::FilePath([path_string fileSystemRepresentation]);
 }
 
 bool CreatePlatformShortcuts(
     const base::FilePath& web_app_path,
     const ShellIntegration::ShortcutInfo& shortcut_info) {
   DCHECK(content::BrowserThread::CurrentlyOn(content::BrowserThread::FILE));
   string16 bundle_id = UTF8ToUTF16(base::mac::BaseBundleID());
   WebAppShortcutCreator shortcut_creator(web_app_path, shortcut_info,
                             bundle_id);
   return shortcut_creator.CreateShortcut();
 }
 
 void DeletePlatformShortcuts(
     const base::FilePath& web_app_path,
     const ShellIntegration::ShortcutInfo& info) {
   DCHECK(content::BrowserThread::CurrentlyOn(content::BrowserThread::FILE));
 
-  FilePath bundle_path = GetAppBundleByExtensionId(info.extension_id);
+  base::FilePath bundle_path = GetAppBundleByExtensionId(info.extension_id);
   file_util::Delete(bundle_path, true);
 }
 
 void UpdatePlatformShortcuts(
     const base::FilePath& web_app_path,
     const ShellIntegration::ShortcutInfo& shortcut_info) {
   // TODO(benwells): Implement this when shortcuts / weblings are enabled on
   // mac.
 }
 
 }  // namespace internals
 
 }  // namespace web_app