Literal AtomicString construction can rely on strlen optimization.

third_party/WebKit/Source/platform/network/HTTPParsersTest.cpp

 // Copyright 2014 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 "platform/network/HTTPParsers.h"
 
 #include "platform/heap/Handle.h"
 #include "platform/weborigin/Suborigin.h"
 #include "testing/gtest/include/gtest/gtest.h"
 #include "wtf/MathExtras.h"
@@ skipping 120 matching lines @@
     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)));
 }
 
 TEST(HTTPParsersTest, ExtractMIMETypeFromMediaType)
 {
-    const AtomicString textHtml("text/html", AtomicString::ConstructFromLiteral);
+    const AtomicString textHtml("text/html");
     EXPECT_EQ(textHtml, extractMIMETypeFromMediaType(AtomicString("text/html; charset=iso-8859-1")));
     EXPECT_EQ(textHtml, extractMIMETypeFromMediaType(AtomicString("text/html ; charset=iso-8859-1")));
     EXPECT_EQ(textHtml, extractMIMETypeFromMediaType(AtomicString("text/html,text/plain")));
     EXPECT_EQ(textHtml, extractMIMETypeFromMediaType(AtomicString("text/html , text/plain")));
     EXPECT_EQ(textHtml, extractMIMETypeFromMediaType(AtomicString("text/html\t,\ttext/plain")));
     EXPECT_EQ(textHtml, extractMIMETypeFromMediaType(AtomicString(" text/html   ")));
     EXPECT_EQ(textHtml, extractMIMETypeFromMediaType(AtomicString("\ttext/html \t")));
     EXPECT_EQ(textHtml, extractMIMETypeFromMediaType(AtomicString("\r\ntext/html\r\n")));
     EXPECT_EQ(textHtml, extractMIMETypeFromMediaType(AtomicString("text/html,text/plain;charset=iso-8859-1")));
     EXPECT_EQ(emptyString(), extractMIMETypeFromMediaType(AtomicString(", text/html")));
@@ skipping 119 matching lines @@
     expectParsePolicyFail("One policy, no suborigin name", "'unsafe-postmessage-send';");
     expectParsePolicyFail("One policy, invalid characters", "foobar 'un$afe-postmessage-send';");
     expectParsePolicyFail("One policy, caps", "foobar 'UNSAFE-POSTMESSAGE-SEND';");
     expectParsePolicyFail("One policy, missing first quote", "foobar unsafe-postmessage-send';");
     expectParsePolicyFail("One policy, missing last quote", "foobar 'unsafe-postmessage-send;");
     expectParsePolicyFail("One policy, missing semicolon at end", "foobar 'unsafe-postmessage-send'");
     expectParsePolicyFail("Multiple policies, missing semicolon between options", "foobar 'unsafe-postmessage-send' 'unsafe-postmessage-send';");
 }
 
 } // namespace blink