Update some uses of Value in chrome/browser to use the base:: namespace.

chrome/browser/chromeos/extensions/file_manager/file_browser_handler_api_test.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.
 
 // File contains browser tests for the fileBrowserHandler api.
 
 #include "chrome/browser/chromeos/extensions/file_manager/file_browser_handler_api.h"
 
 #include <vector>
 
@@ skipping 322 matching lines @@
   select_file_function->set_has_callback(true);
   select_file_function->set_user_gesture(true);
 
   scoped_ptr<base::DictionaryValue> result(utils::ToDictionary(
       utils::RunFunctionAndReturnSingleResult(
           select_file_function.get(),
           "[{\"suggestedName\": \"some_file_name.txt\"}]",
           browser())));
 
   EXPECT_FALSE(utils::GetBoolean(result.get(), "success"));
-  DictionaryValue* entry_info;
+  base::DictionaryValue* entry_info;
   EXPECT_FALSE(result->GetDictionary("entry", &entry_info));
 }
 
 // Tests that user cannot be suggested a full file path when selecting a file,
 // only a file name (i.e. that extension function caller has no influence on
 // which directory contents will be initially displayed in selection dialog).
 IN_PROC_BROWSER_TEST_F(FileBrowserHandlerExtensionTest, SuggestedFullPath) {
   TestCase test_case(base::FilePath("some_file_name.txt"),
                      std::vector<std::string>(),
                      false,
                      base::FilePath());
 
   scoped_refptr<FileBrowserHandlerInternalSelectFileFunction>
       select_file_function(
           new FileBrowserHandlerInternalSelectFileFunction(
               new MockFileSelectorFactory(test_case),
               false));
 
   select_file_function->set_has_callback(true);
   select_file_function->set_user_gesture(true);
 
   scoped_ptr<base::DictionaryValue> result(utils::ToDictionary(
       utils::RunFunctionAndReturnSingleResult(
           select_file_function.get(),
           "[{\"suggestedName\": \"/path_to_file/some_file_name.txt\"}]",
           browser())));
 
   EXPECT_FALSE(utils::GetBoolean(result.get(), "success"));
-  DictionaryValue* entry_info;
+  base::DictionaryValue* entry_info;
   EXPECT_FALSE(result->GetDictionary("entry", &entry_info));
 }
 
 }  // namespace