Replace base::str[n]casecmp with helper functions.

chrome/browser/net/sdch_browsertest.cc

 // 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.
 
 // End-to-end SDCH tests.  Uses the embedded test server to return SDCH
 // results
 
 #include "base/base64.h"
 #include "base/bind.h"
 #include "base/callback.h"
@@ skipping 90 matching lines @@
 
 // Scans in a case-insensitive way for |header| in |map|,
 // returning true if found and setting |*value| to the value
 // of that header.  Does not handle multiple instances of the same
 // header.
 bool GetRequestHeader(const HttpRequestHeaderMap& map,
                       const char* header,
                       std::string* value) {
   for (HttpRequestHeaderMap::const_iterator it = map.begin();
        it != map.end(); ++it) {
-    if (!base::strcasecmp(it->first.c_str(), header)) {
+    if (base::EqualsCaseInsensitiveASCII(it->first, header)) {
       *value = it->second;
       return true;
     }
   }
   return false;
 }
 
 // Do a URL-safe base64 encoding.  See the SDCH spec "Dictionary Identifier"
 // section, and RFC 3548 section 4.
 void SafeBase64Encode(const std::string& input_value, std::string* output) {
@@ skipping 41 matching lines @@
     result = encoder.FinishEncoding(&encoded_data_);
     DCHECK(result);
   }
 
   static bool ClientIsAdvertisingSdchEncoding(const HttpRequestHeaderMap& map) {
     std::string value;
     if (!GetRequestHeader(map, "accept-encoding", &value))
       return false;
     base::StringTokenizer tokenizer(value, " ,");
     while (tokenizer.GetNext()) {
-      if (base::strcasecmp(tokenizer.token().c_str(), "sdch"))
+      if (base::EqualsCaseInsensitiveASCII(tokenizer.token(), "sdch"))
         return true;
     }
     return false;
   }
 
   bool ShouldRespondWithSdchEncoding(const HttpRequestHeaderMap& map) {
     std::string value;
     if (!GetRequestHeader(map, "avail-dictionary", &value))
       return false;
     return value == dictionary_client_hash_;
@@ skipping 523 matching lines @@
   ASSERT_TRUE(SetupIncognitoBrowser());
   ASSERT_TRUE(ForceSdchDictionaryLoad(incognito_browser()));
 
   // Data fetches on main browser should not be SDCH encoded.
   bool sdch_encoding_used = true;
   ASSERT_TRUE(GetData(&sdch_encoding_used));
   EXPECT_FALSE(sdch_encoding_used);
 }
 
 }  // namespace