Implement IsAsciiUpper and IsAsciiLower in base/strings/string_util.h

net/spdy/spdy_stream.cc

 // Copyright (c) 2012 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 "net/spdy/spdy_stream.h"
 
 #include <limits>
 #include <utility>
 
 #include "base/bind.h"
 #include "base/compiler_specific.h"
 #include "base/location.h"
 #include "base/logging.h"
 #include "base/metrics/histogram_macros.h"
 #include "base/single_thread_task_runner.h"
 #include "base/strings/string_number_conversions.h"
+#include "base/strings/string_util.h"
 #include "base/strings/stringprintf.h"
 #include "base/thread_task_runner_handle.h"
 #include "base/values.h"
 #include "net/spdy/spdy_buffer_producer.h"
 #include "net/spdy/spdy_http_utils.h"
 #include "net/spdy/spdy_session.h"
 
 namespace net {
 
 namespace {
@@ skipping 16 matching lines @@
     int32_t window_size,
     NetLogCaptureMode /* capture_mode */) {
   scoped_ptr<base::DictionaryValue> dict(new base::DictionaryValue());
   dict->SetInteger("stream_id", stream_id);
   dict->SetInteger("delta", delta);
   dict->SetInteger("window_size", window_size);
   return std::move(dict);
 }
 
 bool ContainsUppercaseAscii(const std::string& str) {
-  for (std::string::const_iterator i(str.begin()); i != str.end(); ++i) {
-    if (*i >= 'A' && *i <= 'Z') {
-      return true;
-    }
-  }
-  return false;
+  return std::any_of(str.begin(), str.end(), base::IsAsciiUpper<char>);
 }
 
 }  // namespace
 
 void SpdyStream::Delegate::OnTrailers(const SpdyHeaderBlock& trailers) {}
 
 // A wrapper around a stream that calls into ProduceSynStreamFrame().
 class SpdyStream::SynStreamBufferProducer : public SpdyBufferProducer {
  public:
   SynStreamBufferProducer(const base::WeakPtr<SpdyStream>& stream)
@@ skipping 875 matching lines @@
       description = base::StringPrintf("Unknown state 0x%08X (%u)", state,
                                        state);
       break;
   }
   return description;
 }
 
 #undef STATE_CASE
 
 }  // namespace net