Rename Blink constants generated from IDL files.

third_party/WebKit/Source/core/css/CSSStyleDeclarationTest.cpp

 // Copyright 2016 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 "core/css/CSSStyleDeclaration.h"
 
 #include "core/css/CSSRuleList.h"
 #include "core/css/CSSStyleRule.h"
 #include "core/css/CSSTestHelper.h"
 
 #include "testing/gtest/include/gtest/gtest.h"
 
 namespace blink {
 
 TEST(CSSStyleDeclarationTest, getPropertyShorthand)
 {
     CSSTestHelper helper;
 
     helper.addCSSRules("div { padding: var(--p); }");
     ASSERT_TRUE(helper.cssRules());
     ASSERT_EQ(1u, helper.cssRules()->length());
-    ASSERT_EQ(CSSRule::STYLE_RULE, helper.cssRules()->item(0)->type());
+    ASSERT_EQ(CSSRule::kStyleRule, helper.cssRules()->item(0)->type());
     CSSStyleRule* styleRule = toCSSStyleRule(helper.cssRules()->item(0));
     CSSStyleDeclaration* style = styleRule->style();
     ASSERT_TRUE(style);
     EXPECT_EQ(AtomicString(), style->getPropertyShorthand("padding"));
 }
 
 } // namespace blink