Use the new base::mac::GetValueFromDictionary<>() method.

base/mac/mac_util_unittest.mm

 // Copyright (c) 2011 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 "base/mac/mac_util.h"
 
 #include "base/file_path.h"
 #include "base/file_util.h"
@@ skipping 103 matching lines @@
   // Exclude the file.
   EXPECT_TRUE(SetFileBackupExclusion(dummy_file_path));
   // SetFileBackupExclusion never excludes by path.
   Boolean excluded_by_path = FALSE;
   Boolean excluded =
       CSBackupIsItemExcluded(base::mac::NSToCFCast(fileURL), &excluded_by_path);
   EXPECT_TRUE(excluded);
   EXPECT_FALSE(excluded_by_path);
 }
 
-TEST_F(MacUtilTest, TestGetValueFromDictionary) {
-  ScopedCFTypeRef<CFMutableDictionaryRef> dict(
-      CFDictionaryCreateMutable(0, 0,
-                                &kCFTypeDictionaryKeyCallBacks,
-                                &kCFTypeDictionaryValueCallBacks));
-  CFDictionarySetValue(dict.get(), CFSTR("key"), CFSTR("value"));
-
-  EXPECT_TRUE(CFEqual(CFSTR("value"),
-                      GetValueFromDictionary(
-                          dict, CFSTR("key"), CFStringGetTypeID())));
-  EXPECT_FALSE(GetValueFromDictionary(dict, CFSTR("key"), CFNumberGetTypeID()));
-  EXPECT_FALSE(GetValueFromDictionary(
-                   dict, CFSTR("no-exist"), CFStringGetTypeID()));
-}
-
 TEST_F(MacUtilTest, CopyNSImageToCGImage) {
   scoped_nsobject<NSImage> nsImage(
       [[NSImage alloc] initWithSize:NSMakeSize(20, 20)]);
   [nsImage lockFocus];
   [[NSColor redColor] set];
   NSRect rect = NSZeroRect;
   rect.size = [nsImage size];
   NSRectFill(rect);
   [nsImage unlockFocus];
 
@@ skipping 51 matching lines @@
   } else {
     // Not ten. What you gonna do?
     EXPECT_FALSE(true);
   }
 }
 
 }  // namespace
 
 }  // namespace mac
 }  // namespace base