Show deprecation warnings for header values in XHR according to RFC 7230

Source/platform/network/HTTPParsersTest.cpp

Index: Source/platform/network/HTTPParsersTest.cpp
diff --git a/Source/platform/network/HTTPParsersTest.cpp b/Source/platform/network/HTTPParsersTest.cpp
index 0431b3f13dbc59bf322202c750f3e0d3df0a0573..ab57dfc66e04e3e99d1576e4e3f854f608e3ebe7 100644
--- a/Source/platform/network/HTTPParsersTest.cpp
+++ b/Source/platform/network/HTTPParsersTest.cpp
@@ -239,5 +239,29 @@ TEST(HTTPParsersTest, CommaDelimitedHeaderSet)
     EXPECT_TRUE(set2.contains("fo\to"));
 }
 
+TEST(HTTPParsersTest, HTTPFieldContent)
+{
+    const UChar hiraganaA[2] = { 0x3042, 0 };
+
+    EXPECT_TRUE(blink::isValidHTTPFieldContentRFC7230("\xd0\xa1"));
+    EXPECT_TRUE(blink::isValidHTTPFieldContentRFC7230("t t"));
+    EXPECT_TRUE(blink::isValidHTTPFieldContentRFC7230("t\tt"));
+    EXPECT_FALSE(blink::isValidHTTPFieldContentRFC7230(" "));
+    EXPECT_FALSE(blink::isValidHTTPFieldContentRFC7230(""));
+    EXPECT_FALSE(blink::isValidHTTPFieldContentRFC7230("\x7f"));
+    EXPECT_FALSE(blink::isValidHTTPFieldContentRFC7230("t\rt"));
+    EXPECT_FALSE(blink::isValidHTTPFieldContentRFC7230("t\nt"));
+    EXPECT_FALSE(blink::isValidHTTPFieldContentRFC7230("t\bt"));
+    EXPECT_FALSE(blink::isValidHTTPFieldContentRFC7230("t\vt"));
+    EXPECT_FALSE(blink::isValidHTTPFieldContentRFC7230(" t"));
+    EXPECT_FALSE(blink::isValidHTTPFieldContentRFC7230("t "));
+    EXPECT_FALSE(blink::isValidHTTPFieldContentRFC7230(String("t\0t", 3)));
+    EXPECT_FALSE(blink::isValidHTTPFieldContentRFC7230(String("\0", 1)));
+    EXPECT_FALSE(blink::isValidHTTPFieldContentRFC7230(String("test \0, 6")));
+    EXPECT_FALSE(blink::isValidHTTPFieldContentRFC7230(String("test ")));
+    EXPECT_FALSE(blink::isValidHTTPFieldContentRFC7230("test\r\n data"));
+    EXPECT_FALSE(blink::isValidHTTPFieldContentRFC7230(String(hiraganaA)));
+}
+
 } // namespace blink