base: Remove unnecessary using declarations from values.h

BUG=None
TEST=None

R=evan@chromium.org

Review URL: http://codereview.chromium.org/7572032

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@95538 0039d316-1c4b-4281-b951-d872f2087c98

base/values.cc

@@ -59,6 +59,8 @@ Value* CopyWithoutEmptyChildren(Value* node) {
 
 }  // namespace
 
+namespace base {
+
 ///////////////////// Value ////////////////////
 
 Value::~Value() {
@@ -906,3 +908,5 @@ bool ListValue::Equals(const Value* other) const {
 
 ValueSerializer::~ValueSerializer() {
 }
+
+}  // namespace base

base/values.h

@@ -471,8 +471,5 @@ using base::FundamentalValue;
 using base::ListValue;
 using base::StringValue;
 using base::Value;
-using base::ValueMap;
-using base::ValueSerializer;
-using base::ValueVector;
 
 #endif  // BASE_VALUES_H_

chrome/browser/extensions/external_pref_extension_loader.cc

@@ -15,7 +15,7 @@ namespace {
 
 // Caller takes ownership of the returned dictionary.
 DictionaryValue* ExtractPrefs(const FilePath& path,
-                              ValueSerializer* serializer) {
+                              base::ValueSerializer* serializer) {
   std::string error_msg;
   Value* extensions = serializer->Deserialize(NULL, &error_msg);
   if (!extensions) {

content/common/json_value_serializer.h

-// Copyright (c) 2009 The Chromium Authors. All rights reserved.
+// 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.
 
@@ -12,7 +12,7 @@
 #include "base/file_path.h"
 #include "base/values.h"
 
-class JSONStringValueSerializer : public ValueSerializer {
+class JSONStringValueSerializer : public base::ValueSerializer {
  public:
   // json_string is the string that will be source of the deserialization
   // or the destination of the serialization.  The caller of the constructor
@@ -66,7 +66,7 @@ class JSONStringValueSerializer : public ValueSerializer {
   DISALLOW_COPY_AND_ASSIGN(JSONStringValueSerializer);
 };
 
-class JSONFileValueSerializer : public ValueSerializer {
+class JSONFileValueSerializer : public base::ValueSerializer {
  public:
   // json_file_patch is the path of a file that will be source of the
   // deserialization or the destination of the serialization.