Define iTunes location for media galleries tests.

chrome/browser/media_galleries/media_galleries_test_util.cc

 // 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/media_galleries/media_galleries_test_util.h"
 
 #include "base/base_paths.h"
 #include "base/file_util.h"
 #include "base/files/file_path.h"
 #include "base/path_service.h"
 #include "base/strings/stringprintf.h"
 #include "chrome/browser/extensions/extension_prefs.h"
 #include "chrome/browser/extensions/extension_service.h"
 #include "chrome/browser/extensions/extension_system.h"
 #include "chrome/browser/profiles/profile.h"
 #include "chrome/common/chrome_paths.h"
 #include "chrome/common/extensions/extension.h"
 #include "chrome/common/extensions/extension_manifest_constants.h"
 #include "testing/gtest/include/gtest/gtest.h"
 
+#if defined(OS_MACOSX)
+#include "base/mac/foundation_util.h"
+#include "chrome/browser/media_galleries/fileapi/itunes_finder_mac.h"
+#include "chrome/browser/policy/preferences_mock_mac.h"
+#endif
+
 namespace chrome {
 
 scoped_refptr<extensions::Extension> AddMediaGalleriesApp(
     const std::string& name,
     const std::vector<std::string>& media_galleries_permissions,
     Profile* profile) {
   scoped_ptr<DictionaryValue> manifest(new DictionaryValue);
   manifest->SetString(extension_manifest_keys::kName, name);
   manifest->SetString(extension_manifest_keys::kVersion, "0.1");
   manifest->SetInteger(extension_manifest_keys::kManifestVersion, 2);
@@ skipping 37 matching lines @@
 
   return extension;
 }
 
 EnsureMediaDirectoriesExists::EnsureMediaDirectoriesExists()
     : num_galleries_(0) {
   Init();
 }
 
 EnsureMediaDirectoriesExists::~EnsureMediaDirectoriesExists() {
+#if defined(OS_MACOSX)
+  // Free the MockPreferences object.
+  itunes::ITunesFinderMac::SetMacPreferencesForTesting(NULL);
+#endif
 }
 
 void EnsureMediaDirectoriesExists::Init() {
 #if defined(OS_CHROMEOS) || defined(OS_ANDROID)
   return;
 #else
 
   ASSERT_TRUE(fake_dir_.CreateUniqueTempDir());
 
-#if defined(OS_WIN) || defined(OS_MACOSX)
+#if defined(OS_WIN)
   // This is to make sure the tests don't think iTunes is installed (unless
   // we control it specifically).
   appdir_override_.reset(new base::ScopedPathOverride(
       base::DIR_APP_DATA, fake_dir_.path().AppendASCII("itunes")));
+#elif defined(OS_MACOSX)
+  MockPreferences* prefs = new MockPreferences;
+  NSString* path = base::mac::FilePathToNSString(
+      fake_dir_.path().AppendASCII("itunes"));
+  CFArrayRef array = CFArrayCreate(NULL, (const void **)(&path), 1,
+                                   &kCFTypeArrayCallBacks);

[Lei Zhang, 2013/08/13 20:02:34]

I have no idea if this is right. Care to ask someone who knows mac code?

+  prefs->AddTestItem(CFSTR("iTunesRecentDatabasePaths"), array, false);

[Lei Zhang, 2013/08/13 20:02:34]

Can we make "iTunesRecentDatabasePaths" a const?

+  itunes::ITunesFinderMac::SetMacPreferencesForTesting(prefs);
 #endif
 
   music_override_.reset(new base::ScopedPathOverride(
     chrome::DIR_USER_MUSIC, fake_dir_.path().AppendASCII("music")));
   pictures_override_.reset(new base::ScopedPathOverride(
     chrome::DIR_USER_PICTURES, fake_dir_.path().AppendASCII("pictures")));
   video_override_.reset(new base::ScopedPathOverride(
     chrome::DIR_USER_VIDEOS, fake_dir_.path().AppendASCII("videos")));
   num_galleries_ = 3;
 #endif
 }
 
 }  // namespace chrome