Move c/r/extensions/* into extensions namespace

chrome/renderer/extensions/json_schema_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 "base/file_util.h"
 #include "base/path_service.h"
 #include "base/string_util.h"
 #include "chrome/common/chrome_paths.h"
 #include "chrome/test/base/v8_unit_test.h"
 #include "grit/renderer_resources.h"
 #include "testing/gtest/include/gtest/gtest.h"
 #include "ui/base/layout.h"
 #include "ui/base/resource/resource_bundle.h"
 
 static const char kJsonSchema[] = "json_schema.js";
 static const char kJsonSchemaTest[] = "json_schema_test.js";
 
+namespace extensions {
+
 class JsonSchemaTest : public V8UnitTest {
  public:
   JsonSchemaTest() {}
 
   virtual void SetUp() {
     V8UnitTest::SetUp();
 
     // Add the json schema code to the context.
     std::string code = ResourceBundle::GetSharedInstance().GetRawDataResource(
         IDR_JSON_SCHEMA_JS, ui::SCALE_FACTOR_NONE).as_string();
@@ skipping 71 matching lines @@
   TestFunction("testGetAllTypesForSchema");
 }
 
 TEST_F(JsonSchemaTest, TestIsValidSchemaType) {
   TestFunction("testIsValidSchemaType");
 }
 
 TEST_F(JsonSchemaTest, TestCheckSchemaOverlap) {
   TestFunction("testCheckSchemaOverlap");
 }
+
+}  // namespace extensions