Avoid calling lower() on inline styles in parseKeywordValue.

third_party/WebKit/Source/core/css/parser/CSSParserFastPathsTest.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/parser/CSSParserFastPaths.h"
 
 #include "core/css/CSSPrimitiveValue.h"
 #include "core/css/CSSValueList.h"
 #include "testing/gtest/include/gtest/gtest.h"
 
 namespace blink {
 
+TEST(CSSParserFastPathsTest, ParseKeyword)
+{
+    CSSValue* value = CSSParserFastPaths::maybeParseValue(CSSPropertyFloat, "left", HTMLStandardMode);
+    ASSERT_NE(nullptr, value);
+    EXPECT_TRUE(value->isPrimitiveValue());
+    CSSPrimitiveValue* primitiveValue = toCSSPrimitiveValue(value);
+    EXPECT_TRUE(primitiveValue->isValueID());
+    EXPECT_EQ(CSSValueLeft, primitiveValue->getValueID());
+    value = CSSParserFastPaths::maybeParseValue(CSSPropertyFloat, "foo", HTMLStandardMode);
+    ASSERT_EQ(nullptr, value);
+}
+TEST(CSSParserFastPathsTest, ParseInitialAndInheritKeyword)
+{
+    CSSValue* value = CSSParserFastPaths::maybeParseValue(CSSPropertyMarginTop, "inherit", HTMLStandardMode);
+    ASSERT_NE(nullptr, value);
+    EXPECT_TRUE(value->isInheritedValue());
+    value = CSSParserFastPaths::maybeParseValue(CSSPropertyMarginRight, "InHeriT", HTMLStandardMode);
+    ASSERT_NE(nullptr, value);
+    EXPECT_TRUE(value->isInheritedValue());
+    value = CSSParserFastPaths::maybeParseValue(CSSPropertyMarginBottom, "initial", HTMLStandardMode);
+    ASSERT_NE(nullptr, value);
+    EXPECT_TRUE(value->isInitialValue());
+    value = CSSParserFastPaths::maybeParseValue(CSSPropertyMarginLeft, "IniTiaL", HTMLStandardMode);
+    ASSERT_NE(nullptr, value);
+    EXPECT_TRUE(value->isInitialValue());
+    // Fast path doesn't handle short hands.
+    value = CSSParserFastPaths::maybeParseValue(CSSPropertyMargin, "initial", HTMLStandardMode);
+    ASSERT_EQ(nullptr, value);
+}
+
 TEST(CSSParserFastPathsTest, ParseTransform)
 {
     CSSValue* value = CSSParserFastPaths::maybeParseValue(CSSPropertyTransform, "translate(5.5px, 5px)", HTMLStandardMode);
     ASSERT_NE(nullptr, value);
     ASSERT_TRUE(value->isValueList());
     ASSERT_EQ("translate(5.5px, 5px)", value->cssText());
 
     value = CSSParserFastPaths::maybeParseValue(CSSPropertyTransform, "translate3d(5px, 5px, 10.1px)", HTMLStandardMode);
     ASSERT_NE(nullptr, value);
     ASSERT_TRUE(value->isValueList());
@@ skipping 23 matching lines @@
 
 TEST(CSSParserFastPathsTest, ParseTransformNotFastPath)
 {
     CSSValue* value = CSSParserFastPaths::maybeParseValue(CSSPropertyTransform, "rotateX(1deg)", HTMLStandardMode);
     ASSERT_EQ(nullptr, value);
     value = CSSParserFastPaths::maybeParseValue(CSSPropertyTransform, "translateZ(1px) rotateX(1deg)", HTMLStandardMode);
     ASSERT_EQ(nullptr, value);
 }
 
 } // namespace blink