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

chrome/browser/chromeos/settings/stub_cros_settings_provider_unittest.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/chromeos/settings/stub_cros_settings_provider.h"
 
 #include <string>
 
 #include "base/bind.h"
 #include "base/memory/scoped_ptr.h"
@@ skipping 21 matching lines @@
   }
 
   virtual ~StubCrosSettingsProviderTest() {
   }
 
   virtual void SetUp() OVERRIDE {
     // Reset the observer notification count.
     observer_count_.clear();
   }
 
-  void AssertPref(const std::string& prefName, const Value* value) {
-    const Value* pref = provider_->Get(prefName);
+  void AssertPref(const std::string& prefName, const base::Value* value) {
+    const base::Value* pref = provider_->Get(prefName);
     ASSERT_TRUE(pref);
     ASSERT_TRUE(pref->Equals(value));
   }
 
   void ExpectObservers(const std::string& prefName, int count) {
     EXPECT_EQ(observer_count_[prefName], count);
   }
 
   void FireObservers(const std::string& path) {
     observer_count_[path]++;
@@ skipping 35 matching lines @@
 }
 
 TEST_F(StubCrosSettingsProviderTest, PrepareTrustedValues) {
   // Should return immediately without invoking the callback.
   CrosSettingsProvider::TrustedStatus trusted =
       provider_->PrepareTrustedValues(base::Bind(&Fail));
   EXPECT_EQ(CrosSettingsProvider::TRUSTED, trusted);
 }
 
 }  // namespace chromeos