Remove legacy StartsWithASCII function.

storage/browser/blob/blob_url_request_job_factory.cc

 // Copyright (c) 2011 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 "storage/browser/blob/blob_url_request_job_factory.h"
 
 #include "base/basictypes.h"
 #include "base/strings/string_util.h"
 #include "net/base/request_priority.h"
 #include "net/url_request/url_request_context.h"
@@ skipping 60 matching lines @@
   BlobDataHandle* blob_data_handle = GetRequestedBlobDataHandle(request);
   if (blob_data_handle)
     return blob_data_handle->CreateSnapshot().Pass();
   if (!context_.get())
     return NULL;
 
   // Support looking up based on uuid, the FeedbackExtensionAPI relies on this.
   // TODO(michaeln): Replace this use case and others like it with a BlobReader
   // impl that does not depend on urlfetching to perform this function.
   const std::string kPrefix("blob:uuid/");
-  if (!base::StartsWithASCII(request->url().spec(), kPrefix, true))
+  if (!base::StartsWith(request->url().spec(), kPrefix,
+                        base::CompareCase::SENSITIVE))
     return NULL;
   std::string uuid = request->url().spec().substr(kPrefix.length());
   scoped_ptr<BlobDataHandle> handle = context_->GetBlobDataFromUUID(uuid);
   scoped_ptr<BlobDataSnapshot> snapshot;
   if (handle) {
     snapshot = handle->CreateSnapshot().Pass();
     SetRequestedBlobDataHandle(request, handle.Pass());
   }
   return snapshot.Pass();
 }
 
 }  // namespace storage