Separate ProxyResolverMac and ProxyConfigServiceMac into their own files

base/mac_util_unittest.mm

 // Copyright (c) 2008-2009 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 <Cocoa/Cocoa.h>
 #include <vector>
 
 #include "base/mac_util.h"
 
 #include "base/file_path.h"
 #include "base/file_util.h"
+#include "base/scoped_cftyperef.h"
 #include "base/scoped_nsobject.h"
 #include "base/scoped_ptr.h"
 #include "testing/gtest/include/gtest/gtest.h"
 #include "testing/platform_test.h"
 
 typedef PlatformTest MacUtilTest;
 
 TEST_F(MacUtilTest, TestFSRef) {
   FSRef ref;
   std::string path("/System/Library");
@@ skipping 96 matching lines @@
   Boolean excludeByPath;
   // Initial state should be non-excluded.
   EXPECT_FALSE(CSBackupIsItemExcluded((CFURLRef)fileURL, &excludeByPath));
   // Exclude the file.
   EXPECT_TRUE(mac_util::SetFileBackupExclusion(file_path, true));
   EXPECT_TRUE(CSBackupIsItemExcluded((CFURLRef)fileURL, &excludeByPath));
   // Un-exclude the file.
   EXPECT_TRUE(mac_util::SetFileBackupExclusion(file_path, false));
   EXPECT_FALSE(CSBackupIsItemExcluded((CFURLRef)fileURL, &excludeByPath));
 }
+
+TEST_F(MacUtilTest, TestGetValueFromDictionary) {
+  scoped_cftyperef<CFMutableDictionaryRef> dict(
+      CFDictionaryCreateMutable(0, 0,
+                                &kCFTypeDictionaryKeyCallBacks,
+                                &kCFTypeDictionaryValueCallBacks));
+  CFDictionarySetValue(dict.get(), CFSTR("key"), CFSTR("value"));
+
+  EXPECT_TRUE(CFEqual(CFSTR("value"),
+                      mac_util::GetValueFromDictionary(
+                          dict, CFSTR("key"), CFStringGetTypeID())));
+  EXPECT_FALSE(mac_util::GetValueFromDictionary(
+                   dict, CFSTR("key"), CFNumberGetTypeID()));
+  EXPECT_FALSE(mac_util::GetValueFromDictionary(
+                   dict, CFSTR("no-exist"), CFStringGetTypeID()));
+}