Add wider support to json_schema_compiler

tools/json_schema_compiler/test/choices_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 "tools/json_schema_compiler/test/choices.h"
 
 #include "testing/gtest/include/gtest/gtest.h"
 
 using namespace test::api::choices;
 
@@ skipping 18 matching lines @@
   {
     scoped_ptr<ListValue> params_value(new ListValue());
     scoped_ptr<ListValue> integers(new ListValue());
     integers->Append(Value::CreateIntegerValue(6));
     integers->Append(Value::CreateIntegerValue(8));
     params_value->Append(integers.release());
     scoped_ptr<TakesIntegers::Params> params(
         TakesIntegers::Params::Create(*params_value));
     EXPECT_TRUE(params.get());
     EXPECT_EQ(TakesIntegers::Params::NUMS_ARRAY, params->nums_type);
-    EXPECT_EQ(2UL, (*params->nums_array).size());
+    EXPECT_EQ((size_t) 2, (*params->nums_array).size());
     EXPECT_EQ(6, (*params->nums_array)[0]);
     EXPECT_EQ(8, (*params->nums_array)[1]);
   }
 }
 
 TEST(JsonSchemaCompilerChoicesTest, ObjectWithChoicesParamsCreate) {
   {
     scoped_ptr<DictionaryValue> object_param(new DictionaryValue());
     object_param->SetWithoutPathExpansion("strings",
         Value::CreateStringValue("asdf"));
@@ skipping 62 matching lines @@
 }
 
 TEST(JsonSchemaCompilerChoicesTest, ReturnChoices) {
   {
     std::vector<int> integers;
     integers.push_back(1);
     integers.push_back(2);
     scoped_ptr<Value> array_result(ReturnChoices::Result::Create(integers));
     ListValue* list = NULL;
     EXPECT_TRUE(array_result->GetAsList(&list));
-    EXPECT_EQ(2UL, list->GetSize());
+    EXPECT_EQ((size_t) 2, list->GetSize());
     int temp;
     EXPECT_TRUE(list->GetInteger(0, &temp));
     EXPECT_EQ(1, temp);
     EXPECT_TRUE(list->GetInteger(1, &temp));
     EXPECT_EQ(2, temp);
   }
   {
     scoped_ptr<Value> single_result(ReturnChoices::Result::Create(5));
     int temp;
     EXPECT_TRUE(single_result->GetAsInteger(&temp));
     EXPECT_EQ(5, temp);
   }
 }