Move JSON schema validator code into its own directory in chrome/common

chrome/common/json_schema/json_schema_validator_unittest.cc

 // Copyright (c) 2010 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/values.h"
-#include "chrome/common/json_schema_validator.h"
-#include "chrome/common/json_schema_validator_unittest_base.h"
+#include "chrome/common/json_schema/json_schema_validator.h"
+#include "chrome/common/json_schema/json_schema_validator_unittest_base.h"
 #include "testing/gtest/include/gtest/gtest.h"
 
 class JSONSchemaValidatorCPPTest : public JSONSchemaValidatorTestBase {
  public:
   JSONSchemaValidatorCPPTest()
       : JSONSchemaValidatorTestBase(JSONSchemaValidatorTestBase::CPP) {
   }
 
  protected:
   virtual void ExpectValid(const std::string& test_source,
@@ skipping 25 matching lines @@
     ASSERT_EQ(1u, validator.errors().size()) << test_source;
     EXPECT_EQ(expected_error_path, validator.errors()[0].path) << test_source;
     EXPECT_EQ(expected_error_message, validator.errors()[0].message)
         << test_source;
   }
 };
 
 TEST_F(JSONSchemaValidatorCPPTest, Test) {
   RunTests();
 }