Convert remaining StringToLowerASCII to ToLowerASCII

pdf/document_loader.cc

 // Copyright (c) 2010 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 "pdf/document_loader.h"
 
 #include "base/logging.h"
 #include "base/strings/string_util.h"
 #include "net/http/http_util.h"
 #include "ppapi/c/pp_errors.h"
@@ skipping 35 matching lines @@
   }
   return false;
 }
 
 // If the headers have a multi-part response, returns the boundary name.
 // Otherwise returns an empty string.
 std::string GetMultiPartBoundary(const std::string& headers) {
   net::HttpUtil::HeadersIterator it(headers.begin(), headers.end(), "\n");
   while (it.GetNext()) {
     if (base::LowerCaseEqualsASCII(it.name(), "content-type")) {
-      std::string type = base::StringToLowerASCII(it.values());
+      std::string type = base::ToLowerASCII(it.values());
       if (base::StartsWith(type, "multipart/", base::CompareCase::SENSITIVE)) {
         const char* boundary = strstr(type.c_str(), "boundary=");
         if (!boundary) {
           NOTREACHED();
           break;
         }
 
         return std::string(boundary + 9);
       }
     }
@@ skipping 466 matching lines @@
 uint32_t DocumentLoader::GetRequestSize() const {
   // Document loading strategy:
   // For first 10 requests, we use 32k chunk sizes, for the next 10 requests we
   // double the size (64k), and so on, until we cap max request size at 2M for
   // 71 or more requests.
   uint32_t limited_count = std::min(std::max(requests_count_, 10u), 70u);
   return 32 * 1024 * (1 << ((limited_count - 1) / 10u));
 }
 
 }  // namespace chrome_pdf