Revert 257524 "Move IsStringASCII/UTF8 to base namespace."

trunk/src/content/renderer/renderer_webkitplatformsupport_impl.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 "content/renderer/renderer_webkitplatformsupport_impl.h"
 
 #include "base/command_line.h"
 #include "base/files/file_path.h"
 #include "base/lazy_instance.h"
 #include "base/memory/shared_memory.h"
@@ skipping 387 matching lines @@
     const WebString& key_system) {
   const std::string mime_type_ascii = ToASCIIOrEmpty(mime_type);
   // Not supporting the container is a flat-out no.
   if (!net::IsSupportedMediaMimeType(mime_type_ascii))
     return IsNotSupported;
 
   if (!key_system.isEmpty()) {
     // Check whether the key system is supported with the mime_type and codecs.
 
     // Chromium only supports ASCII parameters.
-    if (!base::IsStringASCII(key_system))
+    if (!IsStringASCII(key_system))
       return IsNotSupported;
 
     std::string key_system_ascii =
         GetUnprefixedKeySystemName(base::UTF16ToASCII(key_system));
     std::vector<std::string> strict_codecs;
     bool strip_suffix = !net::IsStrictMediaMimeType(mime_type_ascii);
     net::ParseCodecString(ToASCIIOrEmpty(codecs), &strict_codecs, strip_suffix);
 
     if (!IsSupportedKeySystemWithMediaMimeType(
             mime_type_ascii, strict_codecs, key_system_ascii)) {
@@ skipping 41 matching lines @@
   return media::StreamParserFactory::IsTypeSupported(
       mime_type_ascii, parsed_codec_ids);
 }
 
 bool
 RendererWebKitPlatformSupportImpl::MimeRegistry::supportsEncryptedMediaMIMEType(
     const WebString& key_system,
     const WebString& mime_type,
     const WebString& codecs) {
   // Chromium only supports ASCII parameters.
-  if (!base::IsStringASCII(key_system) || !base::IsStringASCII(mime_type) ||
-      !base::IsStringASCII(codecs)) {
+  if (!IsStringASCII(key_system) || !IsStringASCII(mime_type) ||
+      !IsStringASCII(codecs)) {
     return false;
   }
 
   if (key_system.isEmpty())
     return false;
 
   const std::string mime_type_ascii = base::UTF16ToASCII(mime_type);
 
   std::vector<std::string> codec_vector;
   bool strip_suffix = !net::IsStrictMediaMimeType(mime_type_ascii);
@@ skipping 674 matching lines @@
     return;
   QuotaDispatcher::ThreadSpecificInstance(
       thread_safe_sender_.get(),
       quota_message_filter_.get())->QueryStorageUsageAndQuota(
           storage_partition,
           static_cast<quota::StorageType>(type),
           QuotaDispatcher::CreateWebStorageQuotaCallbacksWrapper(callbacks));
 }
 
 }  // namespace content